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- New OEM DCEC Cummins Engine Complete 3.9L Extended Complete Long block 4B 125 HPOpens in a new window or tabBrand NewC $9,562.68Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom United StatesLast one10 sold
- 6* Injector Set For Cummins 4B3.9 6A3.4 Mechanical 3802789 3282191 3283036Opens in a new window or tabBrand NewC $409.05Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $63.23 shippingfrom United States
- 6* Injector Set For Cummins 4B3.9 6A3.4 6B5.9 Mechanical 3802506 3924896Opens in a new window or tabBrand NewC $409.05Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $63.23 shippingfrom United States
- Turbocharger 4089714 4033351 4038790 3599355 Turbo HX25W for Cummins 4B3.9 6B5.9Opens in a new window or tabBrand NewC $519.86yearnparts (12) 100%+C $41.04 shippingfrom China
- New Extended Complete Long block OEM DCEC Cummins Engine 3.9L 4BTAA 115 HP BoschOpens in a new window or tabeverything included ready to run 115 HP high OutputBrand NewC $12,298.78Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom ChinaLast one226 watchers
- New Long Block Cummins Engine B3.9 8V 4B Inline P Pump For Industry AgricultureOpens in a new window or tabBrand NewC $5,470.84Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom United StatesLast one16 sold
- New Long Block For 3.9L Cummins 4B engine complete 8V Rotary VE Pump Case JcbOpens in a new window or tabBrand NewC $5,458.52Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom United StatesLast one77 watchers
- New Extended Complete Long block Cummins Engine 3.9L B3.9 4B 110 HP Bosch R PumpOpens in a new window or tabBrand NewC $12,298.78Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom ChinaLast one88 watchers
- New Extended Complete Long block OEM DCEC Cummins Engine 3.9L B3.9 4BT 100 HPOpens in a new window or tabBrand NewC $13,268.72Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom ChinaLast one48 watchers
- COMPLETE REMAN ENGINE CUMMINS 4BTA3.9COpens in a new window or tabRefurbishedC $21,500.00Top Rated SellerTop Rated Sellerjslrdl (299) 100%Freight
- PISTON KIT compatible w CUMMINS® 4BT 3.9 6BT 5.9 NON-EMISSION T REPLC:3802160Opens in a new window or tabBrand NewC $88.85tractorpartsdirect (1,256) 99%+C $27.36 shipping
- New Extended Complete Long block OEM DCEC Cummins Engine 3.9L B3.9 4B 120 HPOpens in a new window or tabBrand NewC $10,806.23Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom China15 watchers
- 3929039 Camshaft fits Cummins 4B 4BT 4BTA 3.9 3914638 3925582Opens in a new window or tabBrand NewC $183.31Top Rated SellerTop Rated Sellerreliableaftermarketpartsinc (534,890) 98.6%+C $98.14 shippingfrom United States
- 4* Piston & Ring Set Oversize 0.5mm .020" For 4BT 3.9L ISB 3802564 Cummins CaseOpens in a new window or tabBrand NewC $545.85Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $107.35 shippingfrom United StatesLast one1 watchers
- 6* injector Set For Cummins 4B 3.9L 5.9L 6B 6BT Case JCB 3802330Opens in a new window or tabBrand NewC $545.85Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $67.68 shippingfrom United States
- 6* injector Set For Cummins 3.9L 5.9L Case JCB 3802331 3802191 3915806 3919333Opens in a new window or tabBrand NewC $545.85Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $67.68 shippingfrom United States
- Interstate Push Rod M-3284377 - Cummins 4BT3.9 or 6BT5.9 engine Lot of 6 PiecesOpens in a new window or tabBrand NewC $24.25altastream (122) 100%+C $20.00 shipping
- New Extended Complete Long block OEM DCEC Cummins Engine 3.9L B3.9 4B 115 HPOpens in a new window or tabBrand NewC $9,562.68Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom China
- New Extended Complete Long block OEM DCEC Cummins Engine 3.9L B3.9 6B 125 HPOpens in a new window or tabBrand NewC $10,930.73Top Rated SellerTop Rated Sellertddiesel (6,794) 98.9%+C $1,229.88 shippingfrom China
- 4BT 3.9L Overhaul Rebuild Kit fits for Cummins 4BT 3.9L EngineOpens in a new window or tabBrand NewC $695.93luckyparts-1 (0) 0%Was: C $748.31 7% offFree shippingfrom ChinaFree returns
- Cylinder Head 3966448 for Cummins 4BT 3.9 4 Cyl EngineOpens in a new window or tabBrand NewC $1,292.81Top Rated SellerTop Rated Sellermoverparts (7,342) 98.5%+C $150.49 shippingfrom China
- Cummins 4BT 3.9L 8 Valve Engine Crankshaft OEM Nice! Standard Size Needs PolishOpens in a new window or tabPre-OwnedC $725.00Top Rated SellerTop Rated Sellerzvend2 (23,356) 99.3%+C $150.49 shippingfrom United States
- 4BT VE P7100 QUALITY RE-RING REBUILD KIT with ROD BEARINGS for CUMMINS 3.9 12VOpens in a new window or tabBrand NewC $255.81Top Rated SellerTop Rated Sellerall-spares-parts (531) 93.8%Free shippingfrom IndiaLast one4 watchers
- 4BT 3.9L 4 Cylinder Overhaul Kit Rebuild Kit for Cummins 4BTOpens in a new window or tabBrand NewC $1,039.72ozdieseldirect (742) 100%Free shippingfrom Australia33 watchers
- Air Intake Tube Clamp V-Band Fit for Cummins 4B4.5, 4BT3.9, 6BT5.9, ISB6.7Opens in a new window or tabBrand NewC $21.44Top Rated SellerTop Rated Sellerfusch-auto (4,226) 98.9%+C $15.19 shippingfrom United States
- Rod Bearing Set, .020" fits Cummins Engine(s) 4B(T)3.9,6B5.9,6BT5.9,6BTA5.9Opens in a new window or tabBrand NewC $64.49fawcetttractorsupply (256) 93.4%Free shipping
- Genuine Breather Cover Kit for Cummins 4bt3.9L/6bt5.9L with Hose- 4983059Opens in a new window or tabBrand NewC $147.75performance_motor_machines (5) 100%+C $27.36 shippingfrom India
- Bushing for Cummins Engine: For Dodge 3.9L 5.9L 6.7L 4B 6B 3940059Opens in a new window or tabBrand NewC $9.58stephw353-8 (140) 100%from United StatesLast one2 watchers
- 6* Injector For Cummins 4B 3.9L 6B 5.9L 3802327 3802008 3802035 3802177 3902969Opens in a new window or tabBrand NewC $492.48Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $45.00 shippingfrom United States
- Turbocharger, PN. 3802906 Fits Cummins Engine(s) 4BTA3.9Opens in a new window or tabBrand NewC $406.99fawcetttractorsupply (256) 93.4%Free shipping
- New Diesel Fuel Injection Pump 0460424289 3963961 For Cummins 4BT 3.9LOpens in a new window or tabBrand NewC $957.62Top Rated SellerTop Rated Sellersparep_7703 (351) 97.1%Free shippingfrom China
- Air Cold Start Aid Heater Gaskets For Dodge Ram 5.9L 6.7 B3.9 CumminsOpens in a new window or tabBrand NewC $34.19Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $15.57 shippingfrom United States
- Turbo H1E Turbocharger 3802304 3532208 for Cummins 4BTA 3.9L EngineOpens in a new window or tabBrand NewC $1,257.24Top Rated SellerTop Rated Sellerreadyparts4u (1,501) 99.3%+C $109.43 shippingfrom China
- NEW 12 Pcs Engine Valve Seats Fits For Cummins 3.9 5.9 6B 6BT 6BTA 4B 4BT 4BTAOpens in a new window or tabBrand NewC $31.79Top Rated SellerTop Rated SellerWas: C $34.19 7% offhaoya-auto-parts-09 (1,011) 97.9%+C $6.84 shippingfrom China
- INFRAME ENGINE OVERHAUL KIT compatible w Cummins® 4BT 3.9 NON-EMISSION T- 580KOpens in a new window or tabBrand NewC $752.43tractorpartsdirect (1,256) 99%+C $41.04 shipping
- Main Bearings Standard Set Fits Cummins Engine(s) 4T-390 (4BT)Opens in a new window or tabBrand NewC $57.99fawcetttractorsupply (256) 93.4%Free shipping
- Overhaul Rebuild Kit fits for Cummins Engine 4BT3.9Opens in a new window or tabBrand NewC $659.81w-spaceparts (9) 100%Was: C $725.07 9% off+C $88.92 shippingfrom ChinaFree returnsLast one1 watchers
- 1PC Belt Tensioner 3914086 3937553 For Cummins B3.9L 8V 5.9L 4B 4BT 4BT M977C QLOpens in a new window or tabBrand NewC $64.67Top Rated SellerTop Rated SellerWas: C $68.80 6% offpickbestforyou (42,741) 98.4%+C $16.29 shippingfrom China
- 6* injector Set For Cummins 4B 3.9L 6B Case JCB 3920075 3920072 3919350 3909533Opens in a new window or tabBrand NewC $545.85Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $67.68 shippingfrom United States
- For Case Excavator Cummins | 3919846 4BT 3.9L Diesel No Core Fuel Injection PumpOpens in a new window or tabBrand NewC $717.62Top Rated SellerTop Rated Sellereast-auto (14,327) 99.2%+C $73.26 shippingfrom United States
- Fit For Cummins 3.9 4B 4BT 4BTA DAF Hyster Cylinder Liner SetOpens in a new window or tabBrand NewC $123.11Top Rated SellerTop Rated Sellerrvt_powers (625) 90.4%Free shippingfrom India
- Cummins Water Pump 3.9 5.9 6B 6BT 6BTA 4B 4BT 4BTA DAF 45 55Opens in a new window or tabBrand NewC $116.27Top Rated SellerTop Rated Sellertheskytail (724) 99.5%+C $13.68 shippingfrom India
- Piston Ring Set, +.020" Per Cylinder Fits Cummins Engine(s) 4B3.9, 6B5.9Opens in a new window or tabBrand NewC $42.99fawcetttractorsupply (256) 93.4%Free shipping
- OEM Fits CUMMINS/ CASE 4BT3.9 OUT-OF-FRAME REBUILD KIT PISTON #3907156Opens in a new window or tabBrand NewC $711.37Top Rated SellerTop Rated Sellershrishoonya-6 (1,151) 90.7%Free shippingfrom India
- Cummins 4BT 3.9 IntercoolerOpens in a new window or tabParts OnlyC $205.21dieselpartsource (1,599) 100%from United States
- PISTON KIT compatible w CUMMINS® 4BTA 3.9 6BTA 5.9 EMISSION T REPLC: 3802747Opens in a new window or tabBrand NewC $99.80tractorpartsdirect (1,256) 99%+C $27.36 shipping
- Engine Overhaul Rebuild Kit Fits Case Cummins 4B3.9 1840 550 580E 580K 450C 480EOpens in a new window or tabBrand NewC $90.28Top Rated SellerTop Rated Sellerreliableaftermarketpartsinc (534,890) 98.6%+C $81.58 shippingfrom United States
- CFKIT Maint Filter Kit Compatible with CASE 450C Dozers w/ Cummins 4B3.9 Eng.Opens in a new window or tabBrand NewC $257.19Top Rated SellerTop Rated Sellercrossfilters (16,875) 98.3%+C $35.39 shippingfrom United States8 watchers
- MAJOR ENGINE OVERHAUL KIT compatible w Cummins® 4BT 3.9 NON-EMISSION T 5120 580KOpens in a new window or tabBrand NewC $813.99tractorpartsdirect (1,256) 99%+C $41.04 shipping
- 4BT3.9 Engine Overhaul Rebuild Kit fits Cummins Engine Case 570LXT 580K 580L W11Opens in a new window or tabBrand NewC $782.51Top Rated SellerTop Rated Sellergistore_007 (1,993) 94.6%Free shippingfrom India4 watchers
- Flywheel Ring Gear 159 Tooth For Cummins 3.9L 4B 4BT 4BTA for DAF LFOpens in a new window or tabBrand NewC $102.54Top Rated SellerTop Rated Sellertheskytail (724) 99.5%+C $13.68 shippingfrom India
- HX30 HX30W Turbocharger 3592121 3592015 3592206 For Cummins Engine 4BT3.9 4BTAAOpens in a new window or tabBrand NewC $300.97Top Rated SellerTop Rated Sellerfuparts (1,365) 97.5%+C $59.72 shippingfrom United StatesLast one4 watchers
- HE221W Turbocharger 4042715 4042717 4042720 4042721 4955317 for Cummins QSB 3.9LOpens in a new window or tabBrand NewC $784.30Top Rated SellerTop Rated Sellerfppartsgroup (7,197) 99.5%+C $60.19 shippingfrom ChinaLast one1 watchers
- 12 Pcs Engine Valve Seats Fits For Cummins 3.9 5.9 6B 6BT 6BTA 4B 4BT 4BTAOpens in a new window or tabBrand NewC $31.79Top Rated SellerTop Rated SellerWas: C $34.19 7% offhaoya-auto-parts-01 (710) 96%+C $6.84 shippingfrom China
- OEM Fits CUMMINS/ CASE 4BT3.9 OUT-OF-FRAME REBUILD KIT PISTON #3907156Opens in a new window or tabBrand NewC $711.37Top Rated SellerTop Rated Sellerall-spares-parts (531) 93.8%Free shippingfrom India
- Fits For Cummins 3.9 5.9 6B 6BT 6BTA 4B 4BT 4BTA 12 Pcs Engine Valve SeatsOpens in a new window or tabBrand NewC $31.79Top Rated SellerTop Rated SellerWas: C $34.19 7% offkanala-parts (58) 100%+C $6.84 shippingfrom China
- Engine Overhaul Rebuild Kit Standard for Cummins 4B3.9 Case 1840 450C 480E 550Opens in a new window or tabBrand NewC $803.02parts-supplies (5,631) 99.5%+C $76.04 shippingfrom United States5 watchers
- 12* Engine Valve Seats Fits For Cummins 3.9 5.9 6B 6BT 6BTA 4B 4BT 4BTAOpens in a new window or tabBrand NewC $31.79Top Rated SellerTop Rated SellerWas: C $34.19 7% offhaoya-auto-parts-22 (96) 100%+C $6.84 shippingfrom China
- 750w Engine Heater Fits Dodge Fits Cummins 3.9 5.9 6.7L 4BT 6BT Diesel 87-02Opens in a new window or tabBrand NewC $191.17Top Rated SellerTop Rated Sellerreliableaftermarketpartsinc (534,890) 98.6%+C $25.20 shippingfrom United States
- MAJOR ENGINE OVERHAUL KIT compatible w Cummins® 4BTA 3.9 NON-EMISSION T- 5120Opens in a new window or tabBrand NewC $813.99tractorpartsdirect (1,256) 99%+C $41.04 shipping
- OEM Fits CUMMINS/ CASE 4BT3.9 OUT-OF-FRAME REBUILD KIT PISTON #3907156Opens in a new window or tabBrand NewC $782.51Top Rated SellerTop Rated Sellergistore_007 (1,993) 94.6%Free shippingfrom India
- Thermostat 3917324 for Cummins 4B3.9 4BT3.9 4BTA3.9 6B5.9 6BT5.9Opens in a new window or tabBrand NewC $19.84Top Rated SellerTop Rated Sellerczm1985101 (3,525) 98.1%+C $13.67 shippingfrom China
- 3901774 One New Aftermarket Ring Gear Flywheel fits Cummins Engine ModelsOpens in a new window or tabBrand NewC $91.65Top Rated SellerTop Rated Sellerreliableaftermarketpartsinc (534,890) 98.6%+C $84.94 shippingfrom United States
- 4BT Overhaul Rebuild Kit fits for Cummins 4BT 3.9 EngineOpens in a new window or tabBrand NewC $687.51Top Rated SellerTop Rated SellerWas: C $723.70 5% offspakygie-engineparts (90) 100%+C $102.60 shippingfrom China2 watchers
- Replacement Water Pump For Cummins 3.9 5.9 6B 6BT 6BTA 4BT 4BTA JCB DAF 45Opens in a new window or tabBrand NewC $95.75Top Rated SellerTop Rated Sellertheskytail (724) 99.5%+C $13.68 shippingfrom India
- 4BT Full Gasket Set fits for Cummins 4BT3.9 Case Backhoe Loader 570LXT 580K 580LOpens in a new window or tabBrand NewC $155.31Top Rated SellerTop Rated SellerWas: C $163.48 5% offspakygie-engineparts (90) 100%+C $79.35 shippingfrom China
- Turbocharger 4089714 4033351 4038790 3599355 Turbo HX25W for Cummins 4B3.9 6B5.9Opens in a new window or tabBrand NewC $514.66chanvan-machinery-parts-co (17) 100%+C $68.33 shippingfrom China
- New Aftermarket 3937027 Oil Pump Fits Cummins B Series Engines 3.9LOpens in a new window or tabBrand NewC $105.33Top Rated SellerTop Rated Sellerreliableaftermarketpartsinc (534,890) 98.6%+C $84.94 shippingfrom United States
- 12x 3904105 Engine Valve Seats Fits For Cummins 3.9 5.9 6B 6BT 6BTA 4B 4BT 4BTAOpens in a new window or tabBrand NewC $31.79Top Rated SellerTop Rated SellerWas: C $34.19 7% offyanku-parts (140) 97.6%+C $6.84 shippingfrom China
- CUMMINS 4BT 3.9 used MOTOR ENGINE MOUNT BRACKETS FROM DIESEL BREAD TRUCKOpens in a new window or tabParts OnlyC $47.88dieselpartsource (1,599) 100%from United States
- Cummins Fuel Manifold 4899337-New OEM BoschOpens in a new window or tabBrand NewC $1,094.37cedarfarmnosparts (11,645) 100%+C $86.87 shippingfrom United States
- Crankshaft New Cummins ISB, 3.9L WGOpens in a new window or tabBrand NewC $2,202.56rfeinc (3,250) 100%from United States
- 4BT3.9 Engine Overhaul Rebuild Kit STD fits Cummins Engine- OEM Quality GuranteeOpens in a new window or tabBrand NewC $700.43Top Rated SellerTop Rated Sellerrvt_powers (625) 90.4%Free shippingfrom India7 watchers
- For Case Excavator Cummins Diesel No Core Fuel Injection Pump (3919846) 4BT 3.9LOpens in a new window or tabBrand NewC $716.71Top Rated SellerTop Rated Sellerlabworkautocom (15,499) 99.3%+C $73.23 shippingfrom United States
- Turbocharger Oil Drain Connection For Cummins 4BT ISF2.8 QSB4.5 ISB3.9 3934085Opens in a new window or tabBrand NewC $492.36Top Rated SellerTop Rated Sellerracheli11 (463) 99.1%+C $34.08 shippingfrom United StatesLast one
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