Part number lookup

QSB4.5 Replacement Parts

Cross-reference and compare 41 replacement listings for OEM / aftermarket part number QSB4.5. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

41 Matching Products

Exhaust Manifold 3970066 fits for Cummins 6BT B5.9L EngineCumminsExhaust Manifold 3970066 fits for Cummins 6BT B5.9L Engine$407.88Exhaust Manifold 4988653 for Cummins B5.9 LPG F3.8 F102 EngineCumminsExhaust Manifold 4988653 for Cummins B5.9 LPG F3.8 F102 Engine$493.65Exhaust Outlet Tube 3910993 for Cummins Engine 4BT3.9 6BT5.9 ISB3.9 QSB3.9 QSB4.5CumminsExhaust Outlet Tube 3910993 for Cummins Engine 4BT3.9 6BT5.9 ISB3.9 QSB3.9 QSB4.5$379.99Hydraulic Oil Filter 372229 for Dynapac CA250D CA252 CA262D CA302 Road RollerDynapacHydraulic Oil Filter 372229 for Dynapac CA250D CA252 CA262D CA302 Road Roller$118.99Injector Fuel Supply Tube 4948017 for Cummins Engine QSB4.5CumminsInjector Fuel Supply Tube 4948017 for Cummins Engine QSB4.5$133.31Wiring Harness 4938672 for Cummins Engine DCEC 4BT 6BT QSB4.5CumminsWiring Harness 4938672 for Cummins Engine DCEC 4BT 6BT QSB4.5$260.991 PC Fuel Injector 4261177 for Cummins ISB QSB 6.7 QSB4.5 QSB5-G7Cummins1 PC Fuel Injector 4261177 for Cummins ISB QSB 6.7 QSB4.5 QSB5-G7$154.005 Plate Oil Cooler Core 3921557 3957543 for Cummins Engine B3.9L 4B 4BT 4BTA 4BTAACummins5 Plate Oil Cooler Core 3921557 3957543 for Cummins Engine B3.9L 4B 4BT 4BTA 4BTAA$179.996 PCS Fuel Injector 4261177 for Cummins ISB QSB 6.7 QSB4.5 QSB5-G7Cummins6 PCS Fuel Injector 4261177 for Cummins ISB QSB 6.7 QSB4.5 QSB5-G7$790.00Air Compressor 4946291 5286964 for Cummins Engine B3.9 B4.5 B5.9 ISBE QSB4.5 QSB6.7 ISF2.8CumminsAir Compressor 4946291 5286964 for Cummins Engine B3.9 B4.5 B5.9 ISBE QSB4.5 QSB6.7 ISF2.8$1,066.00Air Filter 204632 for Cummins Engine V504 QSB4.5 LT10 NH220CumminsAir Filter 204632 for Cummins Engine V504 QSB4.5 LT10 NH220$68.00Air Filter AF55020 5283826 for Cummins Engine QSF3.8 QSB4.5 QSF2.8 B4.5 F3.8 ISB4.5 QSB3.3CumminsAir Filter AF55020 5283826 for Cummins Engine QSF3.8 QSB4.5 QSF2.8 B4.5 F3.8 ISB4.5 QSB3.3$34.00Air Filter AF55020 5283826 for Cummins Engine QSF3.8 QSB4.5 QSF2.8 B4.5 F3.8 ISB4.5 QSB3.3CumminsAir Filter AF55020 5283826 for Cummins Engine QSF3.8 QSB4.5 QSF2.8 B4.5 F3.8 ISB4.5 QSB3.3$52.00Air Filter AF55320 5310325 for Cummins Engine QSF2.8 QSF3.8 QSB4.5CumminsAir Filter AF55320 5310325 for Cummins Engine QSF2.8 QSF3.8 QSB4.5$67.00Air Filter AF55320 5310325 for Cummins Engine QSF2.8 QSF3.8 QSB4.5CumminsAir Filter AF55320 5310325 for Cummins Engine QSF2.8 QSF3.8 QSB4.5$37.00Air Intake Connection 4939972 for Cummins Engine 4B3.9 6A3.4 6B5.9 QSB4.5CumminsAir Intake Connection 4939972 for Cummins Engine 4B3.9 6A3.4 6B5.9 QSB4.5$91.60Alternator Pulley 3925852 for Cummins Engine QSB QSB4.5CumminsAlternator Pulley 3925852 for Cummins Engine QSB QSB4.5$87.66Bare Cylinder Block 3938366 for Cummins Engine ISB4.5 QSB4.5 4BT 4B3.9CumminsBare Cylinder Block 3938366 for Cummins Engine ISB4.5 QSB4.5 4BT 4B3.9$1,549.00Bare Cylinder Block 3938366 for Cummins Engine ISB4.5 QSB4.5 4BT 4B3.9CumminsBare Cylinder Block 3938366 for Cummins Engine ISB4.5 QSB4.5 4BT 4B3.9$3,555.72Crankshaft With Gear 3929036 for Cummins Engine 4B 4BT BTA 3.9L in USACumminsCrankshaft With Gear 3929036 for Cummins Engine 4B 4BT BTA 3.9L in USA$1,418.95Cylinder Head Gasket 4946620 for Cummins Engine ISDE4 QSB4.5CumminsCylinder Head Gasket 4946620 for Cummins Engine ISDE4 QSB4.5$118.60Exhaust Manifold 3999806 for Cummins Engine QSB4.5CumminsExhaust Manifold 3999806 for Cummins Engine QSB4.5$482.06For Cummins B3.3 Diesel Engine Excavator Loader Water Pump 3800883CumminsFor Cummins B3.3 Diesel Engine Excavator Loader Water Pump 3800883$163.20Fuel Injection Pump 9320A265W 3957710 9320A260W for Cummins Engine 4B3.9 6B5.9 B4.5 ISB6.7 QSB4.5CumminsFuel Injection Pump 9320A265W 3957710 9320A260W for Cummins Engine 4B3.9 6B5.9 B4.5 ISB6.7 QSB4.5$3,281.58Fuel Injector 4261177 for Cummins ISB QSB 6.7 QSB4.5 QSB5-G7CumminsFuel Injector 4261177 for Cummins ISB QSB 6.7 QSB4.5 QSB5-G7$228.15Fuel Pump 5362271 4935007 for Cummins Engine 8.3L ISC QSC ISXCumminsFuel Pump 5362271 4935007 for Cummins Engine 8.3L ISC QSC ISX$245.00Fuel Pump 5362271 4935007 for Cummins Engine 8.3L ISC QSC ISXCumminsFuel Pump 5362271 4935007 for Cummins Engine 8.3L ISC QSC ISX$175.99Fuel Pump 5362271 4935007 for Cummins Engine 8.3L ISC QSC ISXCumminsFuel Pump 5362271 4935007 for Cummins Engine 8.3L ISC QSC ISX$225.60Fuel Supply Pipe 4933420 for Cummins Engine B5.9 6B5.9 ISB4.5 QSB4.5CumminsFuel Supply Pipe 4933420 for Cummins Engine B5.9 6B5.9 ISB4.5 QSB4.5$64.00Fuel Supply Tube 5284843 for Cummins Engine ISF3.8 F3.8 F4.5 QSB4.5 QSF3.8CumminsFuel Supply Tube 5284843 for Cummins Engine ISF3.8 F3.8 F4.5 QSB4.5 QSF3.8$38.00Injector Pressure Plate 4990774 for Cummins Engine ISBE ISDE QSB4.5CumminsInjector Pressure Plate 4990774 for Cummins Engine ISBE ISDE QSB4.5$84.47Lubricating Oil Suction Tube 4942685 for Cummins Engine ISBE 4B3.9 6B5.9 QSB4.5 QSB6.7CumminsLubricating Oil Suction Tube 4942685 for Cummins Engine ISBE 4B3.9 6B5.9 QSB4.5 QSB6.7$133.43Oil Cooler 3960067 4896406 for Cummins Engine 4BT 6BT 6CT ISB QSBCumminsOil Cooler 3960067 4896406 for Cummins Engine 4BT 6BT 6CT ISB QSB$96.45Oil Pan Gasket 4897877 for Cummins Engine 4B4.5 4ISBE ISB3.9 ISB4.5 QSB4.5 Hyundai Loader HL730-7A HL730-9CumminsOil Pan Gasket 4897877 for Cummins Engine 4B4.5 4ISBE ISB3.9 ISB4.5 QSB4.5 Hyundai Loader HL730-7A HL730-9$44.00Restriction Indicator 178957 for Cummins Engine QSB4.5 KTA38 KTA19-G4 KTA19 L10CumminsRestriction Indicator 178957 for Cummins Engine QSB4.5 KTA38 KTA19-G4 KTA19 L10$132.01Rocker Lever Housing 4938659 for Cummins Engine ISD4 ISDE 4.5L ISB4.5 QSB4.5CumminsRocker Lever Housing 4938659 for Cummins Engine ISD4 ISDE 4.5L ISB4.5 QSB4.5$178.62Tappet Cover Gasket 3904056 3283767 3903837 3900544 for Cummins Dodge ISBe ISDe QSB 4BT 4BTA 4BTAA 3.9 EngineCumminsTappet Cover Gasket 3904056 3283767 3903837 3900544 for Cummins Dodge ISBe ISDe QSB 4BT 4BTA 4BTAA 3.9 Engine$68.13Turbo HE200WG Turbocharger 3780332 3780333 for Cummins Engine ISDE140 QSB4.5 4.5LCumminsTurbo HE200WG Turbocharger 3780332 3780333 for Cummins Engine ISDE140 QSB4.5 4.5L$874.85Water Pump 5288908 5333035 5257960 5263374 for Cummins Engine ISF3.8CumminsWater Pump 5288908 5333035 5257960 5263374 for Cummins Engine ISF3.8$86.60Compatible with QSB4.5 Engine Overhaul Rebuild Kit for CumminsCumminsCompatible with QSB4.5 Engine Overhaul Rebuild Kit for Cummins$539.00Overhaul Rebuild Kit for Cummins Engine QSB4.5CumminsOverhaul Rebuild Kit for Cummins Engine QSB4.5$570.94

Part Numbers and Cross References

3970066QSB4.5CM2150QSB6.7CM2250ISD4.5QSF2.8CM28804988653ISF3.8CM222039109934BT3.96BT5.9ISB3.9QSB3.9QSB5.9-4437222939143347003595524700372229P17656647003914336BTA5.9501209880CA250-IIDCA250-IIPDCA2524948017C49480174938672C4938672QSB5-G7426117739215573957543ISB6.77-SERIESHL730TM7J92155739182924BTA3.93966513397635449462915286964ISF2.83955461528696520463232302733909821NH220AF550205283826DBA5290SA16830WA1086450220831PA31004AF553205310325WA10865QSF3.8P6380624939972C49399723925852391343539193913938366ISB4.5QSB5.9CM55039290364946620C4946620399980638008834981207QSB3.39320A265W39577109320A260W5362271493500739490933944386CM556493342052848434990774C4990774942685C94268539600675801750729489640628537224ISBEISBe-135ISBe-150ISBe-170ISBe-1804897877178957KTA38KTA19-G4KTA19NH250NT85530762844938659C493865932837673904056390383739005444BTAA39220783928831B3.9-C13037803323780333C3780332C3780333HE200WGISDE14053330355257960528890852633745333035005257960NX5263374NX

Applications and Fitment Summary

  • Part Number
  • Cummins · s:CUMMINS
  • Cummins · s :CUMMINS
  • Cummins Engine: 4BT3.9,6BT5.9,ISB3.9,QSB3.9,QSB4.5,B4.5,ISF3.8,B5.9,QSB5.9-44,ISD4.5 CM2150,B5.9 LPG Plus CM556,G5.9,ISB 5.9 G CM2180,B4.5s,ISF3.8 CM2220 AN,ISB6.7 CM2250,B4.5 RGT,ISB CM800,QSB5.9-44 CM550,B5.9 G,G3.9,ISBe4 CM850,ISD6.7 CM2150,ISD6.7 CM2150 SN,QSB6.7 CM2250,QSB3.9-30 CM550,QSB5.9-30 CM550,B Gas Plus CM556,B6.7s,ISB CM2150,ISD4.5 CM2150 SN,ISB CM850,B LPG Plus CM556,B4.5,B3.9,ISF2.8 CM2220 AN,ISB6.7 CM2150 SN,QSB6.7 CM850,ISBe4 CM2150,G5.9 CM558,ISB6.7 CM2150 SQ,ISB4.5 CM2150 SN,ISB CM550,QSB5.9 CM850,B Gas International CM556,QSB4.5-30 CM550,ISBe CM800,ISBe5 CM2150 SN,QSB4.5 CM850,B5.9,ISBe CM850 New Holland: HEAVY equipment: DC100,DC80 (DC100) - CRAWLER DOZER (N.A. VERSION) (4/00-) (DC80) - CRAWLER DOZER (N.A. VERSION) (4/99-)
  • New Holland · Fit For New Holland
  • Dynapac · CA250D
  • Dynapac · CA250-IID
  • Dynapac · CA250-IIPD
  • Dynapac · CA252
  • Dynapac · CA252D
  • Dynapac · CA252PD
  • Dynapac · CA262D
  • Dynapac · CA262PD
  • Dynapac · CA302
  • Dynapac · CA302D
  • Dynapac · CA302PD
  • Cummins
  • Cummins · s: Fit for Dynapac Road Roller CA250D, CA250-IID, CA250-IIPD, CA252, CA252D, CA252PD, CA262D, CA262PD, CA302, CA302D, CA302PD
  • Cummins · s: For CUMMINS
  • Cummins · DCEC
  • Cummins · 4BT
  • Cummins · 6BT
  • Cummins · QSB4.5
  • Cummins · s: Cummins Engines:DCEC, 4BT, 6BT, QSB4.5

Frequently Asked Questions

What parts replace OEM number QSB4.5?

This page lists 41 replacement listings indexed under QSB4.5. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for QSB4.5?

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 QSB4.5 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.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.