3.9L CUMMINS 4BT

Built for durability and compact power, the Cummins 3.9L 4BT engine benefits from this range of mechanical fuel system upgrades, custom turbo kits, and performance manifolds. Whether it's for a Jeep swap, off-road rig, or marine build, these components support VE and P-pump variants with parts like governor spring kits, billet valve covers, and 4BT-specific intercoolers.

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  HD Piston Oil Squirter Cooling Jet Nozzles for 89-02 Dodge 5.9L Cummins Diesel

  Don’t reinstall the factory plastic oil squirters in your 89-02 Dodge 5.9L Cummins Diesel replace them with our HD Cummins Piston Oil Squirters. Commonly known as piston cooling nozzles, cooling jets, or oil squirters, this easy and affordable...

  MSRP: $49.95

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  Now: $39.95

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  Front Cover Crankshaft Seal&Wear Sleeve Installer Tool For Cummins 3.9L 5.9L 6.7L

  Front Cover Crankshaft Seal&Wear Sleeve Installer Tool For Cummins 3.9L 5.9L 6.7  

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  Now: $69.95

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  Crankshaft Wear Sleeve Installation Tool for Dodge Cummins 3.9L 5.9L & 6.7L

  Crankshaft Wear Sleeve Installation Tool for Dodge Cummins 3.9L 5.9L & 6.7L Crankshaft Wear Sleeve Installation ToolDodge Cummins 3.9L 5.9L & 6.7L

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  Now: $24.95

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