Cummins 4BT3.9 Parts
59 parts fit the Cummins 4BT3.9. Every part is listed with its Cummins part number so you can match it to your parts manual. Choose genuine or quality aftermarket parts — we quote within 24 hours and ship worldwide.
- 4988423 — Muffler Silencer (engine)
- 5268998 — Fuel Injector (engine)
- 4994909 — Fuel Injection Pump (engine)
- 0460426385 — Fuel Injection Pump (engine)
- 5290005 — Fuel Injection Pump (engine)
- 3931997 — Air Crossover Connection (engine)
- 4937400 — Clutch Pressure Plate (engine)
- 5262113 — Fuel Supply Tube Kit (engine)
- 3288933 — V-Belt (engine)
- 4988377 — Alternator (generator)
- 5260384 — Fuel Injection Pump (engine)
- 3928144 — Fuel Transfer Pump (engine)
- 3901804 — Plain Hose (engine)
- 5565913 — 24V Starter Motor (engine)
- 3991961 — Fuel Injection Pump (engine)
- 3922687 — 6PCS Piston (engine)
- 3900419 — Air Filter Assembly (engine)
- 5801892252 — Fuel Injection Pump (engine)
- 4934697 — Exhaust Manifold (engine)
- 3967432 — Cylinder Head (construction)
- 3921913 — Fuel Injector (engine)
- 3919336 — 4 Pieces Fuel Injector (construction)
- 4937401 — Clutch Disc (engine)
- 3917510 — Fuel Injection Pump (engine)
- 3974549 — Air Compressor (engine)
- 3905639 — Aftercooler Tube (engine)
- 3933223 — Cylinder Block Assembly (engine)
- 3939401 — Fuel Injector (engine)
- 3592206 — Turbo HX30W Turbocharger (engine)
- 2872354 — Speed Sensor (engine)
- 4939065 — Flywheel Housing (engine)
- DS3929885 — Camshaft - 4Bt3.9 (engine)
- DS3937556 — Belt Tensioner - 4Bt3.9 / 6Bt5.9 / Isb3.9 / Isb4.5 / Qsb3.9 (engine)
- 3927633 — Cummins Fuel Manifold (engine)
- DS3802160 — Piston Kit - 4Bt3.9 / 4B3.9 (Standard) (engine)
- DS3906698 — Rectangular Ring Seal - 4Bt3.9 / 6Bt5.9 / Isb3.9 / Isb4.5 / Qsb3.9 (engine)
- DS3906697 — Rectangular Ring Seal - 4Bt3.9 / 6Bt5.9 / Isb3.9 / Isb4.5 / Qsb3.9 (engine)
- DS3914389 — Fuel Pump Gasket - 4Bt3.9 / 6Bt5.9 / Isb3.9 / Isb4.5 / Qsb3.9 (engine)
- 76195494 — Fuel Injection Pump (construction)
- 5345253 — Piston Ring Kit (engine)