Part number lookup

178-6578 Replacement Parts

Cross-reference and compare 10 replacement listings for OEM / aftermarket part number 178-6578. Use the product cards below to review price, availability, and fitment before ordering.

10 Matching Products

Air Filter Assembly 1626201 for Caterpillar CAT Excavator 320C 320C FMCaterpillarAir Filter Assembly 1626201 for Caterpillar CAT Excavator 320C 320C FM$287.83Arm Cylinder Seal Kit 1373767 for Caterpillar CAT 320B 320C 322C 538 Engine 3066 3116 3126 3126B C7 C7.1CaterpillarArm Cylinder Seal Kit 1373767 for Caterpillar CAT 320B 320C 322C 538 Engine 3066 3116 3126 3126B C7 C7.1$152.81Arm Cylinder Seal Kit 2590631 For Caterpillar CAT 320CLCaterpillarArm Cylinder Seal Kit 2590631 For Caterpillar CAT 320CL$136.42Boom Cylinder Seal Kit 137-3763 for Caterpillar CAT 320C Engine 3066CaterpillarBoom Cylinder Seal Kit 137-3763 for Caterpillar CAT 320C Engine 3066$108.59Boom Cylinder Seal Kit 2478996 For Caterpillar CAT 320CLCaterpillarBoom Cylinder Seal Kit 2478996 For Caterpillar CAT 320CL$108.05Bucket Cylinder Seal Kit 2590706 For Caterpillar CAT 320CLCaterpillarBucket Cylinder Seal Kit 2590706 For Caterpillar CAT 320CL$124.86Engine Fan-Suction 178-6578 for Caterpillar CAT 320C 319C 318C Excavator 3066 EngineCaterpillarEngine Fan-Suction 178-6578 for Caterpillar CAT 320C 319C 318C Excavator 3066 Engine$269.92Hydraulic Main Pump 173-3381 for Caterpillar CAT Excavator 320C 320C L 320C LN 320C S Engine 3066CaterpillarHydraulic Main Pump 173-3381 for Caterpillar CAT Excavator 320C 320C L 320C LN 320C S Engine 3066$26,573.57Oil Cooler Cover 125-2971 2552904 for Caterpillar CAT Engine 3066 Excavator E320B E320CCaterpillarOil Cooler Cover 125-2971 2552904 for Caterpillar CAT Engine 3066 Excavator E320B E320C$234.03Switch-Magnetic 094-2080 for Caterpillar CAT 320B 320C 320D Excavator 3066 C6.4 Engine OriginalCaterpillarSwitch-Magnetic 094-2080 for Caterpillar CAT 320B 320C 320D Excavator 3066 C6.4 Engine Original$223.46

Part Numbers and Cross References

1626201CA1626201BBL00001-UPAMC00001-UPBKM00001-UPBFK00001-UPBDC00001-UPBPR00001-UPCA1373767137-37676LS00001-UPMAB00001-UPSAH00001-UPBGB00001-UP2590631CA2590631GNG00001-UPHBC00001-UPMAC00001-UPCLM00001-UPCA1589092158-9092CA1373763137-3763CA2478996247-8996CA2590706259-0706DAA00001-UP178-6578CA1786578JPL00001-UPCA1733381173-3381AP12S125-29712552904CA0942080094-20804XW00001-UP

Applications and Fitment Summary

  • Part Number
  • Caterpillar CAT Excavator: 320C, 320C L, 320C LN, 320C S Excavators BBL00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine 322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engine 322C & 322C LN EXCAVATORS BFK00001-UP (MACHINE) POWERED BY 3126 Engine 320C & 320C L Excavators BDC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators BPR00001-UP (MACHINE) POWERED BY 3066 Engine 322C L Excavator BKJ00001-UP (MACHINE) POWERED BY 3126 Engine 320C Forest Swing Machine BGB00001-UP (MACHINE) POWERED BY 3066 Engine 320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine 322C FOREST SWING MACHINES BPH00001-UP (MACHINE) POWERED BY 3126 Engine 320C Excavators HBC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators MAB00001-UP (MACHINE) POWERED BY 3066 Engine 320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine 321C LCR Hydraulic Excavator MCF00001-UP (MACHINE) POWERED BY 3066 Engine 320C Forest Machines SAH00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators RAW00001-UP (MACHINE) POWERED BY 3066 Engine 320C LRR Excavator GAD00001-UP (MACHINE) POWERED BY 3066 Engine 320D RR & 320D LRR Excavators EBY00001-UP (MACHINE) POWERED BY 3066 Engine 320D RR FM Forest Swing Machine SRT00001-UP (MACHINE) POWERED BY 3066 Engine 320D LRR Excavator XCK00001-UP (MACHINE) POWERED BY C6.4 Engine 320D RR Excavator YDS00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator TAE00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator ZGB00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator EJT00001-UP (MACHINE) POWERED BY C6.4 Engine 320D RR & 320D LRR Excavators GMX00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator DHE00001-UP (MACHINE) POWERED BY C6.4 Engine
  • Caterpillar · Caterpillar CAT Excavator: 320C, 320C L, 320C LN, 320C S Excavators BBL00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine 322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engine 322C & 322C LN EXCAVATORS BFK00001-UP (MACHINE) POWERED BY 3126 Engine 320C & 320C L Excavators BDC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators BPR00001-UP (MACHINE) POWERED BY 3066 Engine 322C L Excavator BKJ00001-UP (MACHINE) POWERED BY 3126 Engine 320C Forest Swing Machine BGB00001-UP (MACHINE) POWERED BY 3066 Engine 320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine 322C FOREST SWING MACHINES BPH00001-UP (MACHINE) POWERED BY 3126 Engine 320C Excavators HBC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators MAB00001-UP (MACHINE) POWERED BY 3066 Engine 320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine 321C LCR Hydraulic Excavator MCF00001-UP (MACHINE) POWERED BY 3066 Engine 320C Forest Machines SAH00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators RAW00001-UP (MACHINE) POWERED BY 3066 Engine 320C LRR Excavator GAD00001-UP (MACHINE) POWERED BY 3066 Engine 320D RR & 320D LRR Excavators EBY00001-UP (MACHINE) POWERED BY 3066 Engine 320D RR FM Forest Swing Machine SRT00001-UP (MACHINE) POWERED BY 3066 Engine 320D LRR Excavator XCK00001-UP (MACHINE) POWERED BY C6.4 Engine 320D RR Excavator YDS00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator TAE00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator ZGB00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator EJT00001-UP (MACHINE) POWERED BY C6.4 Engine 320D RR & 320D LRR Excavators GMX00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator DHE00001-UP (MACHINE) POWERED BY C6.4 Engine
  • Caterpillar CAT 320CL Arm Cylinder Seal Kit 2590631
  • Caterpillar · s: 320C & 320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators GNG00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators MAB00001-UP (MACHINE) POWERED BY 3066 Engine 320C Excavators HBC00001-UP (MACHINE) POWERED BY 3066 Engine 320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine 320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine 322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engine 322C & 322C L Excavators DAA00001-UP (MACHINE) POWERED BY 3126 Engine
  • Caterpillar CAT 320CL Boom Cylinder Seal Kit 2478996
  • Caterpillar · s: 320C & 320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators GNG00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators MAB00001-UP (MACHINE) POWERED BY 3066 Engine 320C Excavators HBC00001-UP (MACHINE) POWERED BY 3066 Engine 320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine 320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine
  • Caterpillar · s: 320C & 320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators MAB00001-UP (MACHINE) POWERED BY 3066 Engine 320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine 322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engine 322C & 322C L Excavators DAA00001-UP (MACHINE) POWERED BY 3126 Engine
  • Caterpillar CAT 320C 319C 318C Excavator 3066 Engine Fan-Suction 178-6578
  • Caterpillar · s:for Caterpillar CAT Excavator 320C 320C L 320C LN 320C S Engine 3066
  • Caterpillar CAT: EXCAVATOR:318C,319C,320C,320C FM,320C L,320D,320D FM,320D FM RR,320D GC,320D L,320D LN,320D LRR,320D RR,321C,321D LCR,323D L,323D LN,323D SA,320B,320C,320C FM MOBILE HYD POWER UNIT:323D L,323D LN ENGINE:3066 Details: 320C, 320C L, 320C LN, 320C S Excavators BBL00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators BDC00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators BPR00001-UP (MACHINE) POWERED BY 3066 Engine 320C Forest Swing Machine BGB00001-UP (MACHINE) POWERED BY 3066 Engine 320C S Hydraulic Excavator EGL00001-UP (MACHINE) POWERED BY 3066 Engine 320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine 320C Excavators HBC00001-UP (MACHINE) POWERED BY 3066 Engine 318C L & 318C LN Excavators GPA00001-UP (MACHINE) POWERED BY 3066 Engine 318C Excavators BTG00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators MAB00001-UP (MACHINE) POWERED BY 3066 Engine 320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine 320C, 320C L, 320C LN Excavators DBG00001-UP (MACHINE) POWERED BY 3066 Engine 320C Hydraulic Material Handler EGA00001-UP (MACHINE) POWERED BY 3066 Engine 320C Material Handler JPL00001-UP (MACHINE) POWERED BY 3066 Engine 321C LCR Hydraulic Excavator MCF00001-UP (MACHINE) POWERED BY 3066 Engine 320C Forest Machines SAH00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators RAW00001-UP (MACHINE) POWERED BY 3066 Engine 319C LN Hydraulic Excavator KGL00001-UP (MACHINE) POWERED BY 3066 Engine 320C LRR Excavator GAD00001-UP (MACHINE) POWERED BY 3066 Engine 320C LN Excavator AXK00001-UP (MACHINE) POWERED BY 3066 Engine 320C & 320C L Excavators GNG00001-UP (MACHINE) POWERED BY 3066 Engine 323D & 323D L Excavator SDC00001-UP (MACHINE) POWERED BY 3066 Engine 320C S Hydraulic Excavator BMZ00001-UP (MACHINE) POWERED BY 3066 Engine 321C LCR Excavator KCR00001-UP (MACHINE) POWERED BY 3066 Engine 323D LN & 323D S Excavators CYD00001-UP (MACHINE) POWERED BY 3066 Engine 320D RR & 320D LRR Excavators EBY00001-UP (MACHINE) POWERED BY 3066 Engine 320D & 320D L Excavators CXY00001-UP (MACHINE) POWERED BY 3066 Engine 320C L Excavator EAG00001-UP (MACHINE) POWERED BY 3066 Engine 323D L Excavator JLG00001-UP (MACHINE) POWERED BY C6.4 Engine 320D FM Forest Swing Machine CYZ00001-UP (MACHINE) POWERED BY C6.4 Engine 320D RR FM Forest Swing Machine SRT00001-UP (MACHINE) POWERED BY 3066 Engine 323D L Excavator PBM00001-UP (MACHINE) POWERED BY 3066 Engine 320D & 320D L Excavators MCH00001-UP (MACHINE) POWERED BY C6.4 Engine 320D & 320D L Excavators FAL00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator XCK00001-UP (MACHINE) POWERED BY C6.4 Engine 320D RR Excavator YDS00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator TAE00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator ZGB00001-UP (MACHINE) POWERED BY C6.4 Engine 321D LCR Excavator MDT00001-UP (MACHINE) POWERED BY C6.4 Engine 321D LCR Excavator NAS00001-UP (MACHINE) POWERED BY C6.4 Engine 321D LCR Excavator PBD00001-UP (MACHINE) POWERED BY C6.4 Engine 323D LN & 323D S Excavators RAC00001-UP (MACHINE) POWERED BY C6.4 Engine 320D & 320D L Excavators JGZ00001-UP (MACHINE) POWERED BY 3066 Engine 320D Forest Machines BZF00001-UP (MACHINE) POWERED BY C6.4 Engine 320D Log Loader GKS00001-UP (MACHINE) POWERED BY C6.4 Engine 323D L Excavator BYM00001-UP (MACHINE) POWERED BY C6.4 Engine 320D & 320D L Excavators A6F00001-UP (MACHINE) POWERED BY C6.4 Engine 320D L Excavator A9F00001-UP (MACHINE) POWERED BY C6.4 Engine 320D FM Forest Swing Machine BWW00001-UP (MACHINE) POWERED BY C6.4 Engine 320D & 320D L Excavators JFZ00001-UP (MACHINE) POWERED BY C6.4 Engine 323D L Excavator NDE00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LN Excavator WBN00001-UP (MACHINE) POWERED BY C6.4 Engine 320D Excavator BZP00001-UP (MACHINE) POWERED BY C6.4 Engine 323D L Excavator LFL00001-UP (MACHINE) POWERED BY C6.4 Engine 323D L Excavator PBE00001-UP (MACHINE) POWERED BY C6.4 Engine 323D L Excavator YSD00001-UP (MACHINE) POWERED BY C6.4 Engine 323D & 323D L Excavators WGC00001-UP (MACHINE) POWERED BY C6.4 Engine 320D L & 320D LN Excavators GDP00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator EJT00001-UP (MACHINE) POWERED BY C6.4 Engine 320D & 320D L Excavators KLM00001-UP (MACHINE) POWERED BY C6.4 Engine 320D RR & 320D LRR Excavators GMX00001-UP (MACHINE) POWERED BY C6.4 Engine 320D L Excavator SPN00001-UP (MACHINE) POWERED BY C6.4 Engine 321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine 321D LCR Excavator KBZ00001-UP (MACHINE) POWERED BY C6.4 Engine 321D LCR Excavator MPG00001-UP (MACHINE) POWERED BY C6.4 Engine 323D, 323D L & 323D LN Excavators CWG00001-UP (MACHINE) POWERED BY C6.4 Engine 323D SA Excavator NES00001-UP (MACHINE) POWERED BY C6.4 Engine 320D LRR Excavator DHE00001-UP (MACHINE) POWERED BY C6.4 Engine 320D GC Excavator KTF00001-UP (MACHINE) POWERED BY C6.4 Engine 320D GC Excavator PCM00001-UP (MACHINE) POWERED BY C6.4 Engine 320D Excavator KHN00001-UP (MACHINE) POWERED BY C6.4 Engine 323D L Excavator GTF00001-UP (MACHINE) POWERED BY C6.4 Engine 320D Excavator JPD00001-UP (MACHINE) POWERED BY C6.4 Engine

Frequently Asked Questions

What parts replace OEM number 178-6578?

This page lists 10 replacement listings indexed under 178-6578. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for 178-6578?

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 178-6578 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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