Part number lookup

12580771 Replacement Parts

Cross-reference and compare 1 replacement listing for OEM / aftermarket part number 12580771. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

1 Matching Product

Belt Idler Pulley 36299 12669569 for Chevrolet Express GMC SaVana Sierra Yukon Buick Rainier Hummer H2 H3 Isuzu AscenderChevroletBelt Idler Pulley 36299 12669569 for Chevrolet Express GMC SaVana Sierra Yukon Buick Rainier Hummer H2 H3 Isuzu Ascender$19.00

Part Numbers and Cross References

125556091258077112669569F5UZ3A719AALT04123

Applications and Fitment Summary

  • Chevrolet · Fit for following models: Buick: 2005-2007 Rainier CXL Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2005 Rainier CXL Plus Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2004 Rainier (submodel: CXL, CXL Plus) Engine VIN: P, FI, Naturally Aspirated, OHV, GAS Cadillac: 2007-2008 Escalade Base Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2003-2006 Escalade Base Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2003-2005 Escalade Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2008 Escalade Platinum Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2009 Escalade (submodel: Base, Platinum) Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Escalade (submodel: Base, Platinum) Engine Designation: L94, Engine VIN: F, FI, Naturally Aspirated, OHV, FLEX 2012-2014 Escalade (submodel: Base, Luxury, Platinum, Premium) FLEX, Serpentine 2007-2008 Escalade ESV Base Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2003-2006 Escalade ESV Base Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2008 Escalade ESV Platinum Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2009 Escalade ESV (submodel: Base, Platinum) Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Escalade ESV (submodel: Base, Platinum) Engine Designation: L94, Engine VIN: F, FI, Naturally Aspirated, OHV, FLEX 2012-2014 Escalade ESV (submodel: Base, Luxury, Platinum, Premium) FLEX, Serpentine 2010-2011 Escalade EXT Base Engine Designation: L94, Engine VIN: F, FI, Naturally Aspirated, OHV, FLEX 2009 Escalade EXT Base Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Escalade EXT Base Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2003-2006 Escalade EXT Base Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2012-2013 Escalade EXT (submodel: Base, Luxury, Premium) FLEX, Serpentine Chevrolet: 2009 Avalanche LS Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Avalanche LS Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Avalanche LS Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Avalanche LS Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Avalanche LT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2009 Avalanche LT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Avalanche LT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Avalanche LT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Avalanche LT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Avalanche LT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Avalanche LTZ Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2009 Avalanche LTZ Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Avalanche LTZ Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Avalanche LTZ Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Avalanche LTZ Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Avalanche LTZ Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009, 2011 Avalanche (submodel: LS, LT, LTZ) Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Avalanche (submodel: LS, LT, LTZ) Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2012 Avalanche (submodel: LS, LT, LTZ) FLEX, Serpentine 2013 Avalanche (submodel: Black Diamond LS, Black Diamond LT, Black Diamond LTZ) FLEX, Serpentine 2003 Avalanche 1500 (submodel: North Face, On Road Edition, WBH) Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2005 Avalanche 1500 (submodel: Base, LS, LT, Z66, Z71) Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2005-2006 Avalanche 1500 (submodel: LS, LT) Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2006 Avalanche 1500 (submodel: LS, LT, Z66, Z71) Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2003-2005 Avalanche 1500 Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2004-2006 Avalanche 1500 Z66 Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2006 Avalanche 1500 Z71 Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2005-2006 Avalanche 2500 (submodel: LS, LT) Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2004 Avalanche 2500 Base Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2006 C4500 Kodiak (submodel: C4C042, C4E042, C4U042, C4V042) GAS, Smooth Pulley, Without A.C., With A.C. 2005-2006 C4500 Kodiak (submodel: C4C044, C4E044) GAS, Smooth Pulley, Without A.C., With A.C. 2007 C4500 Kodiak (submodel: C4C042, C4C044, C4E042, C4E044, C4U042, C4V042) GAS, Smooth Pulley 2008 C4500 Kodiak (submodel: C4C042, C4C044, C4E042, C4E044, C4U042, C4V042) GAS 2009 C4500 Kodiak (submodel: C4C042, C4C044, C4E042, C4E044, C4U042, C4V042) GAS, Fan, Alternator and Air Conditioning 2003-2006 C5500 Kodiak (submodel: C5C042, C5E042, C5U042, C5V042) GAS, Smooth Pulley, Without A.C., With A.C. 2005-2006 C5500 Kodiak (submodel: C5C044, C5E044) GAS, Smooth Pulley, Without A.C., With A.C. 2007 C5500 Kodiak (submodel: C5C042, C5C044, C5E042, C5E044, C5U042, C5V042) GAS, Smooth Pulley 2008 C5500 Kodiak (submodel: C5C042, C5C044, C5E042, C5E044, C5U042, C5V042) GAS 2009 C5500 Kodiak (submodel: C5C042, C5C044, C5E042, C5E044, C5U042, C5V042) GAS, Fan, Alternator and Air Conditioning 2009 C6500 Kodiak (submodel: C6C042, C6E042, C6V042) GAS, Fan, Alternator and Air Conditioning 2009 C7500 Kodiak (submodel: C7C042, C7E042, C7V042) GAS, Fan, Alternator and Air Conditioning 2009 C8500 C8C042 GAS, Fan, Alternator and Air Conditioning 2009 Colorado LT Engine Designation: LH8, Engine VIN: L, FI, Naturally Aspirated, OHV, GAS 2010-2011 Colorado LT Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2012 Colorado LT GAS, Serpentine 2007 Express 1500 (submodel: LS, LT) Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2008 Express 1500 (submodel: Base, LS, LT) Engine Designation: LMF, Engine VIN: 4, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Express 1500 (submodel: Base, LS, LT) Engine Designation: LMF, Engine VIN: 4, FI, Naturally Aspirated, OHV, FLEX 2003-2011 Express 1500 Base Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2014 Express 1500 Base FLEX, Serpentine 2012-2014 Express 1500 Base GAS, Smooth Pulley 2003-2006 Express 1500 Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2006 Express 1500 LS Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2014 Express 1500 LS FLEX, Serpentine 2003-2007 Express 1500 LS Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2006 Express 1500 LT Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2014 Express 1500 LT FLEX, Serpentine 2006-2007 Express 1500 LT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2012-2014, 2016 Express 2500 (submodel: LS, LT) FLEX, Serpentine 2015-2017 Express 2500 (submodel: Base, LS, LT) FLEX 2018-2020 Express 2500 (submodel: Base, LS, LT) 2015-2016 Express 2500 Base CNG 2012-2014 Express 2500 Base CNG, Serpentine 2010-2011 Express 2500 Base Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Express 2500 Base Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Express 2500 Base Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2009 Express 2500 Base Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Express 2500 Base Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2016 Express 2500 Base FLEX, Serpentine 2008 Express 2500 Base Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2008 Express 2500 Base Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Express 2500 Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003, 2005 Express 2500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003, 2005-2007 Express 2500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2007 Express 2500 Base Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2010-2011 Express 2500 LS Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Express 2500 LS Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Express 2500 LS Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2008 Express 2500 LS Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Express 2500 LS Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2005 Express 2500 LS Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005, 2007 Express 2500 LS Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2005 Express 2500 LS Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2010-2011 Express 2500 LT Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Express 2500 LT Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2008 Express 2500 LT Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2007 Express 2500 LT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2005 Express 3500 (submodel: Base, LS) Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2007 Express 3500 (submodel: Base, LS) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2012-2014, 2016 Express 3500 (submodel: LS, LT) FLEX, Serpentine 2015 Express 3500 (submodel: LS, LT) CNG 2015-2017 Express 3500 (submodel: Base, LS, LT) FLEX 2018-2020 Express 3500 (submodel: Base, LS, LT) 2015-2016 Express 3500 Base CNG 2012-2014 Express 3500 Base CNG, Serpentine 2010-2011 Express 3500 Base Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Express 3500 Base Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Express 3500 Base Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2009 Express 3500 Base Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2012-2016 Express 3500 Base FLEX, Serpentine 2008 Express 3500 Base Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2008 Express 3500 Base Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2005-2007 Express 3500 Base Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2010-2011 Express 3500 LS Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Express 3500 LS Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2008 Express 3500 LS Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2005 Express 3500 LS Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2010-2011 Express 3500 LT Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Express 3500 LT Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2008 Express 3500 LT Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2006-2007 Express 3500 LT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2013, 2015-2016, 2018-2020 Express 4500 Base CNG 2014 Express 4500 Base CNG, Serpentine 2013, 2015-2020 Express 4500 Base FLEX 2010-2012, 2014 Express 4500 Base FLEX, Serpentine 2009 Silverado 1500 LT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2002-2005 Silverado 1500 LT Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2013 Silverado 1500 LT FLEX, Serpentine 2006 Silverado 1500 LT Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Silverado 1500 LT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 1500 LT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Silverado 1500 LT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Silverado 1500 LT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2005-2006 Silverado 1500 LT Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 1500 LT Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 1500 LT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2005-2006 Silverado 1500 LT Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2003-2006 Silverado 1500 LT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2002-2006 Silverado 1500 LT Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003-2005 Silverado 1500 LT Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2009 Silverado 1500 LTZ Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2009-2011 Silverado 1500 LTZ Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Silverado 1500 LTZ Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Silverado 1500 LTZ Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Silverado 1500 LTZ Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Silverado 1500 LTZ Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2012-2013 Silverado 1500 LTZ FLEX, Serpentine 2007-2008 Silverado 1500 LTZ Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 1500 LTZ Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Silverado 1500 LTZ Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Silverado 1500 LTZ Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 1500 LTZ Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2003-2006 Silverado 1500 SS Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2010-2011 Silverado 1500 WT Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Silverado 1500 WT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Silverado 1500 WT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Silverado 1500 WT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Silverado 1500 WT Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2009 Silverado 1500 WT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2002-2004, 2006-2011 Silverado 1500 WT Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2013 Silverado 1500 WT FLEX, Serpentine 2012-2013 Silverado 1500 WT GAS, Smooth Pulley 2006 Silverado 1500 WT Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Silverado 1500 WT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Silverado 1500 WT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Silverado 1500 WT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2006 Silverado 1500 WT Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 1500 WT Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 1500 WT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2004, 2006 Silverado 1500 WT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2002-2004, 2006 Silverado 1500 WT Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003-2004 Silverado 1500 WT Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Silverado 1500 XFE Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2012-2013 Silverado 1500 XFE FLEX, Serpentine 2004 Silverado 1500 Z71 Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2004 Silverado 1500 Z71 Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2004 Silverado 1500 Z71 Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2004 Silverado 1500 Z71 Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2002-2005 Silverado 1500 Base Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2005 Silverado 1500 Base Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2003-2005 Silverado 1500 Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2002-2005 Silverado 1500 Base Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003-2005 Silverado 1500 Base Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Silverado 1500 LS Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Silverado 1500 LS Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Silverado 1500 LS Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Silverado 1500 LS Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2002-2006 Silverado 1500 LS Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2013 Silverado 1500 LS FLEX, Serpentine 2006 Silverado 1500 LS Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2005-2006 Silverado 1500 LS Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2008 Silverado 1500 LS Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2005 Silverado 1500 LS Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2003-2006 Silverado 1500 LS Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2002-2006 Silverado 1500 LS Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003-2005 Silverado 1500 LS Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Silverado 1500 LT Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2009 Silverado 1500 LT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2010-2011 Silverado 1500 LT Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2002 Silverado 1500 (submodel: Base, LS, LT, WT) Engine VIN: W, FI, Naturally Aspirated, OHV, GAS 2009-2011 Silverado 1500 LT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Silverado 1500 LT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Silverado 1500 LT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Silverado 1500 LT Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic LS Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic LS Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007 Silverado 1500 Classic LS Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic LS Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic LS Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic LT Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007 Silverado 1500 Classic LT Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic LT Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic LT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic LT Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic SS Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic WT Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic WT Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007 Silverado 1500 Classic WT Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic WT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 Classic WT Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2005 Silverado 1500 HD Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003, 2005 Silverado 1500 HD LS Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003, 2005-2006 Silverado 1500 HD LT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 1500 HD Classic LT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2004 Silverado 2500 (submodel: Base, LS, LT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2004 Silverado 2500 WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2006 Silverado 2500 HD (submodel: LS, LT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 2500 HD (submodel: LT, LTZ, WT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009-2010 Silverado 2500 HD (submodel: LT, LTZ, WT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2002-2005 Silverado 2500 HD Base Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2005 Silverado 2500 HD Base Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005 Silverado 2500 HD Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2015-2016 Silverado 2500 HD High Country CNG 2016-2017 Silverado 2500 HD High Country FLEX 2015-2019 Silverado 2500 HD High Country GAS 2003-2005 Silverado 2500 HD LS Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2015-2016, 2018-2019 Silverado 2500 HD LT CNG 2010-2011 Silverado 2500 HD (submodel: LT, LTZ, WT) Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2012-2014 Silverado 2500 HD LT FLEX, Serpentine 2015-2016, 2018-2019 Silverado 2500 HD LT GAS 2012-2014 Silverado 2500 HD LT GAS, Serpentine 2015-2016, 2018-2019 Silverado 2500 HD LTZ CNG 2012-2014 Silverado 2500 HD LTZ FLEX, Serpentine 2015-2016, 2018-2019 Silverado 2500 HD LTZ GAS 2012-2014 Silverado 2500 HD LTZ GAS, Serpentine 2015-2016, 2018-2019 Silverado 2500 HD WT CNG 2004, 2006 Silverado 2500 HD WT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2012-2014 Silverado 2500 HD WT FLEX, Serpentine 2013-2014 Silverado 2500 HD (submodel: LT, LTZ, WT) CNG, Serpentine 2015-2016, 2018-2019 Silverado 2500 HD WT GAS 2012-2014 Silverado 2500 HD WT GAS, Serpentine 2004 Silverado 2500 HD WT Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2004, 2006 Silverado 2500 HD WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2015-2017 Silverado 2500 HD (submodel: LT, LTZ, WT) FLEX 2002-2006 Silverado 2500 HD (submodel: LS, LT) Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 2500 HD Classic LS Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 2500 HD Classic LS Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 2500 HD Classic LT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 2500 HD Classic LT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 2500 HD Classic WT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 2500 HD Classic WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2006 Silverado 3500 (submodel: LS, LT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2002-2005 Silverado 3500 Base Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2005 Silverado 3500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005 Silverado 3500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2005 Silverado 3500 LS Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005 Silverado 3500 LT Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2004, 2006 Silverado 3500 WT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2004 Silverado 3500 WT Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2004, 2006 Silverado 3500 WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2002-2006 Silverado 3500 (submodel: LS, LT) Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 3500 Classic LS Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 3500 Classic LS Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 3500 Classic LT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 3500 Classic LT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 3500 Classic WT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Silverado 3500 Classic WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007-2008 Silverado 3500 HD (submodel: LT, LTZ, WT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009-2010 Silverado 3500 HD (submodel: LT, LTZ, WT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2010-2011 Silverado 3500 HD (submodel: LT, LTZ, WT) Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2015-2017 Silverado 3500 HD (submodel: High Country, LT, LTZ, WT) FLEX 2015-2019 Silverado 3500 HD (submodel: High Country, LT, LTZ, WT) GAS 2016, 2019 Silverado 3500 HD (submodel: LT, WT) CNG 2012-2014 Silverado 3500 HD LT FLEX, Serpentine 2012-2014 Silverado 3500 HD LT GAS, Serpentine 2019 Silverado 3500 HD LTZ CNG 2012-2014 Silverado 3500 HD LTZ FLEX, Serpentine 2012-2014 Silverado 3500 HD LTZ GAS, Serpentine 2012-2014 Silverado 3500 HD WT FLEX, Serpentine 2012-2014 Silverado 3500 HD WT GAS, Serpentine 2005-2006 SSR Base Engine VIN: H, FI, Naturally Aspirated, OHV, GAS 2003 SSR Base Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2004 SSR Base FI, Naturally Aspirated, OHV, GAS 2012-2014 Suburban 1500 (submodel: LS, LT, LTZ) FLEX, Serpentine 2006 Suburban 1500 Base Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Suburban 1500 LS Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Suburban 1500 LS Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Suburban 1500 LS Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2006 Suburban 1500 LS Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 1500 LS Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 1500 LS Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 1500 LS Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2003-2005 Suburban 1500 LS Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2005 Suburban 1500 LS Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2009 Suburban 1500 LT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2009-2011 Suburban 1500 LT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Suburban 1500 LT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Suburban 1500 LT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2006 Suburban 1500 LT Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 1500 LT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Suburban 1500 LT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 1500 LT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 1500 LT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2003-2005 Suburban 1500 LT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2005 Suburban 1500 LT Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2009 Suburban 1500 LTZ Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2009-2011 Suburban 1500 LTZ Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Suburban 1500 LTZ Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Suburban 1500 LTZ Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Suburban 1500 LTZ Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Suburban 1500 LTZ Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 1500 LTZ Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 1500 LTZ Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2006 Suburban 1500 LTZ Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2006 Suburban 1500 Z71 Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007 Suburban 1500 Z71 Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2004-2005 Suburban 1500 Z71 Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2004-2005 Suburban 1500 Z71 Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Suburban 2500 (submodel: LS, LT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009 Suburban 2500 (submodel: LS, LT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2010-2011 Suburban 2500 (submodel: LS, LT) Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2012-2013 Suburban 2500 (submodel: LS, LT) FLEX, Serpentine 2003-2006 Suburban 2500 LS Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2006 Suburban 2500 LS Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2006 Suburban 2500 LT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2006 Suburban 2500 LT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Suburban 2500 LTZ Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2016-2018 Suburban 3500 HD (submodel: LS, LT) FLEX 2006 Tahoe Z71 Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2003-2006 Tahoe Z71 Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2004 Tahoe (submodel: LT, Z71) Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003-2005 Tahoe (submodel: LS, LT, Z71) Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2012-2014 Tahoe (submodel: LS, LT, LTZ, PPV, SSV) FLEX, Serpentine 2006 Tahoe Base Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2006 Tahoe Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2006 Tahoe Base Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2009-2011 Tahoe LS Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Tahoe LS Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Tahoe LS Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2006 Tahoe LS Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Tahoe LS Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Tahoe LS Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Tahoe LS Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2003-2006 Tahoe LS Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2006 Tahoe LS Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2009-2011 Tahoe LT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Tahoe LT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Tahoe LT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2006 Tahoe LT Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Tahoe LT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Tahoe LT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2003-2006 Tahoe LT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2009 Tahoe LTZ Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Tahoe LTZ Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Tahoe LTZ Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Tahoe LTZ Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Tahoe LTZ Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2008 Trailblazer Base Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2006-2007 Trailblazer LS Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2006-2008 Trailblazer LT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2006-2009 Trailblazer SS Engine VIN: H, FI, Naturally Aspirated, OHV, GAS 2003-2004 Trailblazer EXT (submodel: LT, North Face) Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2004 Trailblazer EXT LS Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2005-2006 Trailblazer EXT (submodel: LS, LT) Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2004-2006 W3500 Tiltmaster W3S042 GAS 2003-2006 W4500 Tiltmaster W4S042 GAS GMC: 2003-2006 C4500 Topkick (submodel: C4C042, C4E042, C4U042, C4V042) GAS, Smooth Pulley, Without A.C., With A.C. 2005-2006 C4500 Topkick (submodel: C4C044, C4E044) GAS, Smooth Pulley, Without A.C., With A.C. 2007 C4500 Topkick (submodel: C4C042, C4C044, C4E042, C4E044, C4U042, C4V042) GAS, Smooth Pulley 2008 C4500 Topkick (submodel: C4C042, C4C044, C4E042, C4E044, C4U042, C4V042) GAS 2009 C4500 Topkick (submodel: C4C042, C4C044, C4E042, C4E044, C4U042, C4V042) GAS, Fan, Alternator and Air Conditioning 2003-2006 C5500 Topkick (submodel: C5C042, C5E042, C5U042, C5V042) GAS, Smooth Pulley, Without A.C., With A.C. 2005-2006 C5500 Topkick (submodel: C5C044, C5E044) GAS, Smooth Pulley, Without A.C., With A.C. 2007 C5500 Topkick (submodel: C5C042, C5C044, C5E042, C5E044, C5U042, C5V042) GAS, Smooth Pulley 2008 C5500 Topkick (submodel: C5C042, C5C044, C5E042, C5E044, C5U042, C5V042) GAS 2009 C5500 Topkick (submodel: C5C042, C5C044, C5E042, C5E044, C5U042, C5V042) GAS, Fan, Alternator and Air Conditioning 2009 C6500 Topkick (submodel: C6C042, C6E042, C6V042) GAS, Fan, Alternator and Air Conditioning 2009 C7500 Topkick (submodel: C7C042, C7E042, C7V042) GAS, Fan, Alternator and Air Conditioning 2009 C8500 Topkick C8C042 GAS, Fan, Alternator and Air Conditioning 2009 Canyon SLT Engine Designation: LH8, Engine VIN: L, FI, Naturally Aspirated, OHV, GAS 2010-2011 Canyon (submodel: SLE, SLT) Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2012 Canyon (submodel: SLE, SLT) GAS, Serpentine 2005-2009 Envoy Denali Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2003-2004 Envoy XL (submodel: SLE, SLT) Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2005 Envoy XL (submodel: SLE, SLT) Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2005-2006 Envoy XL Denali Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2004 Envoy XUV (submodel: SLE, SLT) Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2005 Envoy XUV (submodel: SLE, SLT) Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2006 Savana 1500 (submodel: LS, LT) Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2006-2007 Savana 1500 (submodel: LS, LT) Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Savana 1500 (submodel: Base, LS, LT) Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2008 Savana 1500 (submodel: Base, LS, LT) Engine Designation: LMF, Engine VIN: 4, FI, Naturally Aspirated, OHV, FLEX 2009-2010 Savana 1500 (submodel: SL, SLE) Engine Designation: LMF, Engine VIN: 4, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Savana 1500 (submodel: Base, LS, LT) Engine Designation: LMF, Engine VIN: 4, FI, Naturally Aspirated, OHV, FLEX 2003-2011 Savana 1500 Base Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2014 Savana 1500 Base FLEX, Serpentine 2012-2014 Savana 1500 Base GAS, Smooth Pulley 2003-2007 Savana 1500 Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2012-2014 Savana 1500 LS FLEX, Serpentine 2012-2013 Savana 1500 (submodel: SL, SLE) FLEX, Serpentine 2012-2014 Savana 1500 LT FLEX, Serpentine 2003-2005 Savana 1500 SLE Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 1500 SLE Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Savana 2500 (submodel: LS, LT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2010 Savana 2500 (submodel: SL, SLE) Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2012-2013 Savana 2500 (submodel: SL, SLE) FLEX, Serpentine 2015-2016 Savana 2500 Base CNG 2012-2014, 2016 Savana 2500 (submodel: LS, LT) FLEX, Serpentine 2012-2014 Savana 2500 Base CNG, Serpentine 2010-2011 Savana 2500 Base Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Savana 2500 Base Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Savana 2500 Base Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2009 Savana 2500 Base Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 2500 Base Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2015-2016 Savana 2500 Base FLEX 2012-2016 Savana 2500 Base FLEX, Serpentine 2008 Savana 2500 Base Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2008 Savana 2500 Base Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 2500 Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 2500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2007 Savana 2500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2007 Savana 2500 Base Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2016 Savana 2500 LS CNG 2010-2011 Savana 2500 LS Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Savana 2500 LS Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2015-2016 Savana 2500 LS FLEX 2008 Savana 2500 LS Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2010-2011 Savana 2500 LT Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Savana 2500 LT Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2015-2016 Savana 2500 LT FLEX 2008 Savana 2500 LT Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009 Savana 2500 SL Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009 Savana 2500 SLE Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 2500 SLE Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 2500 SLE Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 2500 SLE Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005 Savana 2500 SLE Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 2500 SLE Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2006-2007 Savana 3500 (submodel: LS, LT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2010 Savana 3500 (submodel: SL, SLE) Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2012-2013 Savana 3500 (submodel: SL, SLE) FLEX, Serpentine 2012-2014, 2016 Savana 3500 (submodel: LS, LT) FLEX, Serpentine 2016 Savana 3500 (submodel: LS, LT) CNG 2015-2016 Savana 3500 Base CNG 2012-2014 Savana 3500 Base CNG, Serpentine 2010-2011 Savana 3500 Base Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Savana 3500 Base Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Savana 3500 Base Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2009 Savana 3500 Base Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2015-2016 Savana 3500 Base FLEX 2012-2016 Savana 3500 Base FLEX, Serpentine 2008 Savana 3500 Base Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2008 Savana 3500 Base Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 3500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2007 Savana 3500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2004-2007 Savana 3500 Base Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2010-2011 Savana 3500 LS Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Savana 3500 LS Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2015-2016 Savana 3500 LS FLEX 2008 Savana 3500 LS Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2010-2011 Savana 3500 LT Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2009 Savana 3500 LT Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2015-2016 Savana 3500 LT FLEX 2008 Savana 3500 LT Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009 Savana 3500 SL Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009 Savana 3500 SLE Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2003-2005 Savana 3500 SLE Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005 Savana 3500 SLE Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2005 Savana 3500 SLE Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2015-2016 Savana 4500 Base CNG 2013-2014 Savana 4500 Base CNG, Serpentine 2015-2016 Savana 4500 Base FLEX 2011-2014 Savana 4500 Base FLEX, Serpentine 2002-2004 Sierra 1500 SLT Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003-2005 Sierra 1500 SLT Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Sierra 1500 WT Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Sierra 1500 WT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Sierra 1500 WT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Sierra 1500 WT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Sierra 1500 WT Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2009 Sierra 1500 WT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2002 Sierra 1500 WT Engine VIN: W, FI, Naturally Aspirated, OHV, GAS 2002-2011 Sierra 1500 WT Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2013 Sierra 1500 WT FLEX, Serpentine 2012-2013 Sierra 1500 WT GAS, Smooth Pulley 2006 Sierra 1500 WT Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Sierra 1500 WT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Sierra 1500 WT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Sierra 1500 WT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2005-2006 Sierra 1500 WT Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 1500 WT Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2003-2006 Sierra 1500 (submodel: SLE, SLT, WT) Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 1500 WT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2003-2005 Sierra 1500 WT Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Sierra 1500 XFE Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2012-2013 Sierra 1500 XFE FLEX, Serpentine 2005 Sierra 1500 (submodel: Base, SLT) Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2002 Sierra 1500 Base Engine VIN: W, FI, Naturally Aspirated, OHV, GAS 2002-2005 Sierra 1500 Base Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2003-2005 Sierra 1500 Base Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2002-2005 Sierra 1500 Base Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003-2005 Sierra 1500 Base Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2009-2010 Sierra 1500 Denali Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2012-2013 Sierra 1500 Denali FLEX, Serpentine 2007-2008 Sierra 1500 Denali Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2005-2006 Sierra 1500 Denali Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2003-2004 Sierra 1500 Denali Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2002 Sierra 1500 HT Engine VIN: W, FI, Naturally Aspirated, OHV, GAS 2002 Sierra 1500 HT Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2002 Sierra 1500 HT Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2010-2011 Sierra 1500 SL Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Sierra 1500 SL Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Sierra 1500 SL Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Sierra 1500 SL Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2002 Sierra 1500 SL Engine VIN: W, FI, Naturally Aspirated, OHV, GAS 2002-2003, 2006 Sierra 1500 SL Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2013 Sierra 1500 SL FLEX, Serpentine 2006 Sierra 1500 SL Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2006 Sierra 1500 SL Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2008 Sierra 1500 SL Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2003, 2006 Sierra 1500 SL Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2002-2003, 2006 Sierra 1500 SL Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003 Sierra 1500 SL Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2010-2011 Sierra 1500 SLE Engine Designation: L20, Engine VIN: A, FI, Naturally Aspirated, OHV, FLEX 2009 Sierra 1500 SLE Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2010-2011 Sierra 1500 SLE Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Sierra 1500 SLE Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Sierra 1500 SLE Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Sierra 1500 SLE Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Sierra 1500 SLE Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2009 Sierra 1500 SLE Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2002 Sierra 1500 SLE Engine VIN: W, FI, Naturally Aspirated, OHV, GAS 2002-2004 Sierra 1500 SLE Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2013 Sierra 1500 SLE FLEX, Serpentine 2006 Sierra 1500 SLE Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Sierra 1500 SLE Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 1500 SLE Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Sierra 1500 SLE Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Sierra 1500 SLE Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2005-2006 Sierra 1500 SLE Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 1500 SLE Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 1500 SLE Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2005-2006 Sierra 1500 SLE Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2003-2005 Sierra 1500 SLE Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2009 Sierra 1500 SLT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2009-2011 Sierra 1500 SLT Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Sierra 1500 SLT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Sierra 1500 SLT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Sierra 1500 SLT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Sierra 1500 SLT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2002 Sierra 1500 SLT Engine VIN: W, FI, Naturally Aspirated, OHV, GAS 2002-2004 Sierra 1500 SLT Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2012-2013 Sierra 1500 SLT FLEX, Serpentine 2007-2008 Sierra 1500 SLT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 1500 SLT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Sierra 1500 SLT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Sierra 1500 SLT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 1500 SLT Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2002-2006 Sierra 1500 (submodel: SLE, WT) Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2005-2006 Sierra 1500 SLT Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic Denali Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SL Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SL Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007 Sierra 1500 Classic SL Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SL Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SL Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SLE Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007 Sierra 1500 Classic SLE Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SLE Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SLE Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SLE Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SLT Engine VIN: N, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic SLT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic WT Engine VIN: X, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic WT Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007 Sierra 1500 Classic WT Engine VIN: B, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic WT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 Classic WT Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2003, 2005-2006 Sierra 1500 HD (submodel: SLE, SLT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 1500 HD Classic (submodel: SLE, SLT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2004 Sierra 2500 (submodel: Base, SLE, SLT, WT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2015-2016 Sierra 2500 HD Base CNG 2002-2005 Sierra 2500 HD Base Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 2500 HD (submodel: SLE, SLT, WT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2015-2016 Sierra 2500 HD Base FLEX 2015-2016 Sierra 2500 HD Base GAS 2003-2005 Sierra 2500 HD Base Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005 Sierra 2500 HD Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2011 Sierra 2500 HD Denali Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2015-2016 Sierra 2500 HD Denali FLEX 2012-2014 Sierra 2500 HD Denali FLEX, Serpentine 2015-2016 Sierra 2500 HD Denali GAS 2014 Sierra 2500 HD Denali GAS, Serpentine 2002, 2006 Sierra 2500 HD SL Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2006 Sierra 2500 HD SL Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2015-2016 Sierra 2500 HD SLE CNG 2015-2016 Sierra 2500 HD SLE FLEX 2012-2014 Sierra 2500 HD SLE FLEX, Serpentine 2015-2016 Sierra 2500 HD SLE GAS 2012-2014 Sierra 2500 HD SLE GAS, Serpentine 2003-2005 Sierra 2500 HD SLE Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2006 Sierra 2500 HD SLE Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2015-2016 Sierra 2500 HD SLT CNG 2009-2010 Sierra 2500 HD (submodel: SLE, SLT, WT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2015-2016 Sierra 2500 HD SLT FLEX 2012-2014 Sierra 2500 HD SLT FLEX, Serpentine 2015-2016 Sierra 2500 HD SLT GAS 2012-2014 Sierra 2500 HD SLT GAS, Serpentine 2003-2005 Sierra 2500 HD SLT Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2006 Sierra 2500 HD SLT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2006 Sierra 2500 HD WT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2012-2014 Sierra 2500 HD WT FLEX, Serpentine 2010-2011 Sierra 2500 HD (submodel: SLE, SLT, WT) Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2012-2014 Sierra 2500 HD WT GAS, Serpentine 2003-2005 Sierra 2500 HD WT Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2006 Sierra 2500 HD WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2013-2014 Sierra 2500 HD (submodel: SLE, SLT, WT) CNG, Serpentine 2002-2006 Sierra 2500 HD (submodel: SLE, SLT) Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 2500 HD Classic SL Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 2500 HD Classic SL Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 2500 HD Classic SLE Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 2500 HD Classic SLE Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 2500 HD Classic SLT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 2500 HD Classic SLT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 2500 HD Classic WT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 2500 HD Classic WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2002-2006 Sierra 3500 (submodel: SLE, SLT) Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2006 Sierra 3500 (submodel: SLE, SLT) Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2002-2005 Sierra 3500 Base Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2005 Sierra 3500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005 Sierra 3500 Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2002, 2006 Sierra 3500 SL Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2006 Sierra 3500 SL Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2005 Sierra 3500 SLE Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2003-2005 Sierra 3500 SLT Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2004-2006 Sierra 3500 WT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2004-2005 Sierra 3500 WT Engine VIN: U, FI, Naturally Aspirated, OHV, CNG 2004-2006 Sierra 3500 WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 3500 Classic SL Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 3500 Classic SL Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 3500 Classic SLE Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 3500 Classic SLE Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 3500 Classic SLT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 3500 Classic SLT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 3500 Classic WT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2007 Sierra 3500 Classic WT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2007-2008 Sierra 3500 HD (submodel: SLE, SLT, WT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009-2010 Sierra 3500 HD (submodel: SLE, SLT, WT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2010-2011 Sierra 3500 HD (submodel: SLE, SLT, WT) Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2016 Sierra 3500 HD (submodel: Base, Denali, SLE, SLT) CNG 2015-2016 Sierra 3500 HD Base FLEX 2015-2016 Sierra 3500 HD Base GAS 2011 Sierra 3500 HD Denali Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2015-2016 Sierra 3500 HD Denali FLEX 2012-2014 Sierra 3500 HD Denali FLEX, Serpentine 2015-2016 Sierra 3500 HD Denali GAS 2014 Sierra 3500 HD Denali GAS, Serpentine 2015-2016 Sierra 3500 HD SLE FLEX 2012-2014 Sierra 3500 HD SLE FLEX, Serpentine 2015-2016 Sierra 3500 HD SLE GAS 2012-2014 Sierra 3500 HD SLE GAS, Serpentine 2015-2016 Sierra 3500 HD SLT FLEX 2012-2014 Sierra 3500 HD SLT FLEX, Serpentine 2015-2016 Sierra 3500 HD SLT GAS 2012-2014 Sierra 3500 HD SLT GAS, Serpentine 2012-2014 Sierra 3500 HD WT FLEX, Serpentine 2012-2014 Sierra 3500 HD WT GAS, Serpentine 2004-2005 W3500 Forward W3S042 GAS 2003-2005 W4500 Forward W4S042 GAS 2003-2004 Yukon (submodel: SLE, SLT) Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2005-2006 Yukon (submodel: SLE, SLT) Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Yukon (submodel: SLE, SLT) Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2010 Yukon (submodel: SLE, SLT) Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2012-2014 Yukon (submodel: Denali, SLE, SLT) FLEX, Serpentine 2010-2011 Yukon Denali Engine Designation: L94, Engine VIN: F, FI, Naturally Aspirated, OHV, FLEX 2009 Yukon Denali Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon Denali Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2003-2006 Yukon Denali Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2006 Yukon SL Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2006 Yukon SL Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2006 Yukon SL Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2009 Yukon SLE Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2009 Yukon SLE Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2007-2008 Yukon SLE Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon SLE Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Yukon SLE Engine VIN: C, FI, Naturally Aspirated, OHV, GAS 2003-2006 Yukon SLE Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2006 Yukon SLE Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2009 Yukon SLT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Yukon SLT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon SLT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2003-2006 Yukon SLT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2005 Yukon SLT Engine VIN: V, FI, Naturally Aspirated, OHV, GAS 2006 Yukon XL 1500 (submodel: SL, SLE, SLT) Engine Designation: L59, Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2012-2014 Yukon XL 1500 (submodel: Denali, SLE, SLT) FLEX, Serpentine 2010-2011 Yukon XL 1500 Denali Engine Designation: L94, Engine VIN: F, FI, Naturally Aspirated, OHV, FLEX 2009 Yukon XL 1500 Denali Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon XL 1500 Denali Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2003-2006 Yukon XL 1500 Denali Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2009 Yukon XL 1500 SLE Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2009-2011 Yukon XL 1500 SLE Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Yukon XL 1500 SLE Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Yukon XL 1500 SLE Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Yukon XL 1500 SLE Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Yukon XL 1500 SLE Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon XL 1500 SLE Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon XL 1500 SLE Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2003-2005 Yukon XL 1500 SLE Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2005 Yukon XL 1500 SLE Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2009 Yukon XL 1500 SLT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2010-2011 Yukon XL 1500 SLT Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Yukon XL 1500 SLT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2009-2011 Yukon XL 1500 SLT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2009 Yukon XL 1500 SLT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2007-2008 Yukon XL 1500 SLT Engine Designation: L76, Engine VIN: Y, FI, Naturally Aspirated, OHV, GAS 2007-2008 Yukon XL 1500 SLT Engine Designation: LC9, Engine VIN: 3, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon XL 1500 SLT Engine Designation: LMG, Engine VIN: 0, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon XL 1500 SLT Engine Designation: LY5, Engine VIN: J, FI, Naturally Aspirated, OHV, GAS 2003-2005 Yukon XL 1500 SLT Engine VIN: T, FI, Naturally Aspirated, OHV, GAS 2003-2005 Yukon XL 1500 SLT Engine VIN: Z, FI, Naturally Aspirated, OHV, FLEX 2007-2008 Yukon XL 2500 (submodel: SLE, SLT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2009 Yukon XL 2500 (submodel: SLE, SLT) Engine VIN: K, FI, Naturally Aspirated, OHV, GAS 2010-2011 Yukon XL 2500 (submodel: SLE, SLT) Engine Designation: L96, Engine VIN: G, FI, Naturally Aspirated, OHV, FLEX 2012-2013 Yukon XL 2500 (submodel: SLE, SLT) FLEX, Serpentine 2003-2006 Yukon XL 2500 SLE Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2006 Yukon XL 2500 SLE Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2003-2006 Yukon XL 2500 SLT Engine VIN: G, FI, Naturally Aspirated, OHV, GAS 2003-2006 Yukon XL 2500 SLT Engine VIN: U, FI, Naturally Aspirated, OHV, GAS Hummer: 2009 H2 Base Engine Designation: L9H, Engine VIN: 2, FI, Naturally Aspirated, OHV, FLEX 2008 H2 Base Engine Designation: L92, Engine VIN: 8, FI, Naturally Aspirated, OHV, GAS 2003-2007 H2 Base Engine VIN: U, FI, Naturally Aspirated, OHV, GAS 2008-2009 H3 Alpha Engine Designation: LH8, Engine VIN: L, FI, Naturally Aspirated, OHV, GAS 2010 H3 Alpha Engine Designation: LH9, Engine VIN: P, FI, Naturally Aspirated, OHV, FLEX 2009 H3 Championship Series Engine Designation: LH8, Engine VIN: L, FI, Naturally Aspirated, OHV, GAS 2009 H3T Alpha Engine Designation: LH8, Engine VIN: L, FI, Naturally Aspirated, OHV, GAS 2010 H3T Alpha Engine Designation: LH9, Engine VIN: P, FI, Naturally Aspirated, OHV, FLEX Isuzu: 2003-2004 Ascender (submodel: Limited, LS) Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2005 Ascender (submodel: Limited, S) Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2003 Ascender Base Engine VIN: P, FI, Naturally Aspirated, OHV, GAS 2005-2006 Ascender LS Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2003-2005 NPR Base GAS 2003-2005 NPR-HD Base GAS Saab: 2006-2009 9-7x 5.3i Engine VIN: M, FI, Naturally Aspirated, OHV, GAS 2008-2009 9-7x Aero Engine VIN: H, FI, Naturally Aspirated, OHV, GAS 2005 9-7x Arc Engine VIN: M, FI, Naturally Aspirated, OHV, GAS

Frequently Asked Questions

What parts replace OEM number 12580771?

This page lists 1 replacement listing indexed under 12580771. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for 12580771?

Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.

Can I request a quote if 12580771 is not an exact match?

Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.

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