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 Flywheel SAE 1 Replaces 23514177, 23511177 & 23509709 For Detroit 60 Series
BESTFIT TRUCK PARTS
$419.99BESTfit Flywheel With 10 Inch Opening, 20 Inch OD Ring Gear With 118 TeethIntroducing our aftermarket flywheel, a reliable replacement for Detroit's Series 60 Lightweight Flywheel. Designed to exact specifications, it features a flat surface with a...$419.99 -
BESTfit Steel Oil Pan For Cummins ISX Engines - Replaces 3680531 & 3687414
BESTFIT TRUCK PARTS
$357.95BESTfit 10-12 Gallon Oil Pan Fits Cummins ISX EnginesIntroducing our Stamped Steel Oil Pan, engineered with a capacity of 10 to 12 gallons to accommodate various truck models and applications. This versatile pan is designed for both front and rear sump...$357.95 -
BESTfit Aluminum Flywheel Housing, Replaces 4026795 For Cummins ISX
BESTFIT TRUCK PARTS
$729.99BESTfit Flywheel Housing Fits Cummins ISX Engines 2000-2012Presenting our Cast Aluminum Flywheel Housing, meticulously crafted to ensure durability and reliability. Featuring a robust 20-inch ring gear and a starter location positioned at the driver's...$729.99 -
BESTfit Flywheel Housing Replaces 1084749, 1302802 & 3044150 For CAT 3406E
BESTFIT TRUCK PARTS
$999.99BESTfit Flywheel Housing Fits CAT 3406EIntroducing our Flywheel Housing, crafted from durable aluminum for reliability and performance. With a 20-inch ring gear and a starter location positioned at the driver's side, 9 o'clock angle. Designed with angled...$999.99 -
BESTfit Front Engine Cover For Cummins N-14 Models
BESTFIT TRUCK PARTS
$506.99BESTfit N-14 Cummins Front Engine Cover For Tilt Engine ApplicationElevate your vehicle's engine with our aftermarket replacement engine cover, specifically crafted for tilt engine applications. Please note that for proper installation in tilt engine...$506.99 -
BESTfit 9 Gallon Oil Pan For Caterpillar C-15
BESTFIT TRUCK PARTS
$879.99BESTfit Caterpillar C-15 Oil PanEnhance your vehicle's oil system with our Aluminum Oil Pan, offering a generous 9-gallon capacity for efficient oil storage. Crafted from durable aluminum, this oil pan is designed to interchange seamlessly with...$879.99 -
Peterbilt 359, 377, 378, 379 BESTfit Red Poly Motor Mount Bushings W/ Steel Sleeve-Replaces 05-08968
BESTFIT TRUCK PARTS
$21.00BESTfit One Position Poly Motor Mount Bushings With Steel SleeveUpgrade your vehicle's motor mount with our durable steel motor mount bushings from Red Services. Designed as a standard replacement, these bushings offer superior performance and...$21.00 -
BESTfit Replacement Caterpillar 3406E 9 Gallon Oil Pan
BESTFIT TRUCK PARTS
$799.99BESTfit Caterpillar Oil Pan Can Replaces 150-4638Upgrade your engine's oil pan with our premium aftermarket replacement part. Crafted from quality aluminum, this oil pan offers exceptional durability and reliability. With a generous capacity of 9...$799.99 -
BESTfit EZ Oil Drain Valve For Cummins ISM, ISN, N-14, M-11, L-10 & PACCAR MX-13 Engines
BESTFIT TRUCK PARTS
$54.05BESTfit EZ Oil Drain Valve For Cummins & Paccar MX-13 Engines Through 2011 Changing your oil is made easier with the EZ Oil Drain Valve. Unlike spring-assisted gate valves, EZ Oil?s ball valve design allows for straight flow and fast drainage and is...$54.05 -
BESTfit EZ Oil Drain Valve For Detroit 60 & Detroit 50 Series Engines
BESTFIT TRUCK PARTS
$56.09BESTfit EZ Oil Drain Valve For Detroit 60 & Detroit 50 Engines Changing your oil is made easier with the EZ Oil Drain Valve. Unlike spring-assisted gate valves, EZ Oil?s ball valve design allows for straight flow and fast drainage and is rated and...$56.09 -
BESTfit Flywheel Housing For Ford LTL Models With Cummins Engine
BESTFIT TRUCK PARTS
$683.99BESTfit Flywheel Housing Fits FordGet precision and durability with our Aluminum Engine Mount Bracket, tailored for Cummins engines. Designed for degree tilt mount applications, it ensures a secure fit with starter location on the driver side at 9...$683.99 -
BESTfit Flywheel Housing For Cummins NT855
BESTFIT TRUCK PARTS
$868.99BESTfit Flywheel HousingThe "Flywheel Housing" is an important part made of aluminum. It fits different Cummins engines like Small and Big Cam, Nt855, Nt88, and N14. This housing is drilled for both straight up and tilted engines, making it versatile. It...$868.99