Semi-Truck Engine Parts
Explore a diverse range of new semi-truck engine parts at 4 State Trucks. Discover quality OE and aftermarket replacement filters, belts, sensors, flywheel components, and more online to ensure your engine runs smoothly. Elevate your truck's engine with our quality parts today!
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BESTfit Front Sump Steel Oil Pan - Replaces 3800906, 3803688, 3803849 & More For Cummins L10, M11 & ISM Engines
BESTFIT TRUCK PARTS
$701.99BESTfit Front Sump Steel Oil Pan W/ 22 Bolt HolesThe Oil Pan is specifically designed for Cummins L10, M11, and ISM engines with a front sump configuration. Constructed from stamped steel, this oil pan comes with an included oil pan mounting gasket for...$701.99 -
BESTfit Oil Pan Replaces 3892965, 3895628, 3895630 & More For Cummins L10, M11 & ISM Engines
BESTFIT TRUCK PARTS
$399.99BESTfit Rear Sump Steel Oil PanThe oil pan described is designed for rear sump applications in Cummins L10, M11, and ISM engines. It features a stamped steel construction and comes with an internal oil pick-up tube and an oil pan mounting gasket. Sold...$399.99 -
BESTfit Camshaft For Cummins N14 Celect Plus - Replaces 3411327 & 4024849
BESTFIT TRUCK PARTS
$711.99BESTfit Camshaft For Cummins N14 Celect PlusThe camshaft offered is compatible with Cummins N14 Celect Plus engines and is sold individually as an aftermarket replacement part. It replaces OE numbers 3411327 and 4024849. Before purchasing, it's...$711.99 -
BESTfit Flywheel For Cummins ISX Engine With 15 Inch Clutch - Replaces 3680921, 3680922 & 3680348
BESTFIT TRUCK PARTS
$325.99BESTfit Flywheel With 10 Inch Center Opening & 12 Bolt HolesThe offered flywheel is designed for Cummins ISX engines, featuring a flat design suitable for 15-inch clutches. It conforms to SAE #1 size standards with a 10-inch center opening and 12 bolt...$325.99 -
BESTfit 3 Piece Exhaust Manifold Kit For Cummins IX Pre-EGR - Replaces 3680650, 3680199 & 3680200
BESTFIT TRUCK PARTS
$359.993 Piece Exhaust Manifold Kit For Cummins IX Pre-EGRThe exhaust manifold offered is a three-piece aftermarket replacement intended for Cummins IX engines manufactured before the implementation of EGR systems. Featuring a slip-fit design, this kit...$359.99 -
BESTfit 3 Piece Exhaust Manifold Kit For Cummins N14 Engine - Replaces 3078322, 3078323 & 3078324
BESTFIT TRUCK PARTS
$399.99BESTfit 3 Piece Exhaust Manifold Kit For Cummins N14 1995 & NewerThe exhaust manifold provided is a three-piece aftermarket replacement designed for Cummins N14 engines manufactured from 1995 onwards. This kit consists of the front, center, and rear...$399.99 -
BESTfit 3 Piece Exhaust Manifold Kit, Turbo Mount - High / Flat Center Section For Detroit 60 Series Engine
BESTFIT TRUCK PARTS
$465.99BESTfit Exhaust Manifold Kit With High & Flat Center Turbo MountThe exhaust manifold listed is specifically designed for Detroit 60 Series engines. It comes as a 3-piece aftermarket kit, comprising the front, center, and rear sections. Notably, this kit...$465.99 -
BESTfit Flywheel Replaces 21514067 For Mack MP8 & Volvo D13 Engines
BESTFIT TRUCK PARTS
$429.99BESTfit Flywheel For Mack MP8 & Volvo D13 Engines * High Quality Flywheel* For Mack MP8 And Volvo D13* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please Verify OE Numbers Before Purchasing This Part, There May Be More...$429.99 -
BESTfit Flywheel Replaces 21184666 For Volvo D13 Engine With I-Shift
BESTFIT TRUCK PARTS
$591.99BESTfit Flywheel For Volvo D13 Engine * High Quality Flywheel* For Volvo D13 With I-Shift* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please Verify OE Numbers Before Purchasing This Part, There May Be More Than One...$591.99 -
BESTfit Flywheel Replaces 20730056 For Volvo VED12 Engines With 15 Inch Clutch
BESTFIT TRUCK PARTS
$428.99BESTfit Flywheel With 14 Bolt Holes For Mounting * High Quality Flywheel* For Volvo Ved12 Applications* Flat Design* For 15 Inch Clutch* SAE Size #1* 1 Dowel And 14 Bolt Holes For Mounting* 19.50 Inch O.D. * 153 Teeth Ring Gear Included* Uses Pilot...$428.99 -
BESTfit Oil Cooler Replaces 20745961 For Mack MP8 & Volvo D16 Engines
BESTFIT TRUCK PARTS
$283.99BESTfit Oil Cooler Fits Mack MP8 & D16 * High Quality Oil Cooler* For Mack MP8 And Volvo D16* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please Verify OE Numbers Before Purchasing This Part, There May Be More Than One...$283.99 -
BESTfit Oil Cooler For Detroit DD15 Engines - Replaces 4721800965
BESTFIT TRUCK PARTS
$333.99BESTfit Oil Cooler For Detroit DD15 EnginesThe listed Oil Cooler is compatible with Detroit DD15 applications and is sold individually as an aftermarket replacement part (not OEM). Before purchasing, it's crucial to verify OE numbers to ensure...$333.99