In Stock-99%
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Cummins 4BT Replacement Parts
Up to 100% OFF Selected Parts
Seal Kits (3764)Bearing, Gear & Shaft (3318)Starter Motor (2959)Air Filter (2881)Turbocharger & Kit (2754)Overhaul Kits (2278)Other Engine Parts (2141)Water Pump (2060)Alternator (1959)Overhaul Gasket (1911)Injectors & Nozzle (1720)Fuel Filter (1688)Transmission Parts (1658)Hydraulic Pump (1637)
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OEM / REF: 3286277
Water Pump 3286277 for Cummins 4BT 6BT in Case New Holland IHIn Stock
OEM / REF: 3903749
Water Pump 3903749 3913432 for Cummins 4B 4BT 4BTA 6B 6BTIn Stock
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OEM / REF: 3943149
Water Inlet Connection 3943149 for Cummins Engine 4B3.9 6A3.4 6B5.9 B4.5 RGT B4.5S ISB5.9L QSB5 4.5L 4BTIn Stock
OEM / REF: 1468334496
VE Pump Head Rotor 4/12R 1468334496 for Cummins Engine 4BTAAIn Stock
OEM / REF: 1468334648
VE Pump Head Rotor 4/12R 1468334648 for Cummins Engine 4BTAA 4BTIn Stock
OEM / REF: 3914454
Vibration Damper 3914454 3958258 for Cummins 4B 4BT 6B 6BT EngineIn Stock
OEM / REF: 1468334378
VE Pump Head Rotor 4/12R 1468334378 for Cummins Engine 4BT 4BT-3.9In Stock-99%
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OEM / REF: 3928405
Valve Cover With Cap 3928405 for Cummins Dodge RAM 3.9L 5.9L B3.9L B5.9L 4BT 6BTIn Stock-100%
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OEM / REF: 3979344
V-Belt 3979344 for Cummins Engine 4BT 6BT ISB 6.7L ISB QSBIn Stock
OEM / REF: B3.3
V-Belt 4983000 for Cummins Engine 4BT 6BT B3.3 QSB3.3In Stock
OEM / REF: 3972382
V-Belt 3972382 for Cummins Engine 4B3.9 6B5.9 ISB ISB3.9 4BT 6BTIn Stock-99%
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OEM / REF: 901449
V-Belt 901449 for Dynapac CA252 CA250 CA251D CC522HF CA251 CA512D CA302D Road RollerIn Stock-99%
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OEM / REF: 5260381
V-Belt 5260381 for Cummins Engine KT19 ISBE ISDE 4BT 6BT 6CT K19 K38 K50 QSM11 NT855In Stock-99%
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OEM / REF: 4965120
V Band Clamp 4965120 for Cummins Engine 4BTA3.9-G2 6CTA8.3-C240 ISLE310-30In Stock
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OEM / REF: 380988
Turbocharger 380988 3592317 for Cummins 4BTA 4BTAAIn Stock-99%
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OEM / REF: 4939979
Turbocharger Oil Drain Connection 4939979 for Cummins Engine 4BT3.9 6BT5.9Cummins 4BT Replacement Parts
Replacement components for Cummins 4BT (3.9L) engines used in compact equipment, generators, and industrial applications.
Frequently asked questions
What parts are available for the Cummins 4BT?
Browse fuel system, cooling, electrical, and maintenance components indexed for Cummins 4BT applications. Search "4BT" or enter your OEM part number directly.
Are these parts compatible with Cummins 4BT engines?
Listings are indexed as replacement parts for the engine family shown. Always compare OEM part numbers, mounting points, and connector style with your existing component.
Do you offer a fitment guarantee?
Yes — parts sold on Moz Auto Parts are backed by a fitment guarantee. Compare OEM part numbers and machine details before ordering, or submit a fitment inquiry for verification.
How fast do you ship?
In-stock parts typically dispatch within 1–3 business days. US delivery is often 2–7 business days; international options are available for urgent workshop and fleet orders.