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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Ceramic-Coated Exhaust Manifold Replaces 388-0199 For Cummins ISX
BULLY DOG
$1,975.00Ceramic-Coated Exhaust Manifold Fits CumminsUpgrade an old stock manifold on a Cummins ISX engine with this premium, heavy duty Bully Dog ceramic coated exhaust manifold. It is one of the fastest flowing in the industry and provides a quick turbo spool...$1,975.00 -
Ceramic-Coated Exhaust Manifold For Freightliner & Western Star With Detroit Engine
BULLY DOG
$1,975.00Ceramic-Coated Exhaust Manifold Fits DetroitIf you are ready to upgrade an old stock manifold on a 1995-2003 Detroit Series 60 12.7L and 14.0L engine, Elite Truck Accessorieshas what you are looking for with this heavy duty Bully Dog ceramic coated...$1,975.00 -
Ceramic-Coated Exhaust Manifold Replaces 146-9445 For CAT Engines
BULLY DOG
$2,199.99Ceramic-Coated Exhaust Manifold Fits CaterpillarThis high quality ceramic coated exhaust fits CAT Engines has a 20-30 horsepower increase and is ported to eliminate any flow interference while increasing airflow. It cools exhaust by up to 100 degrees and...$2,199.99 -
Performance Module For Cummins ISX 2002-2010
AREA DIESEL SERVICE
$2,817.99Performance Module For CumminsThe performance engine model is designed to fit Cummins ISX 2002-2010 models. The truck edition heavy-duty module controls timing, fuel, boost, and other vital engine parameters to optimize the combustion of the engine. This...$2,817.99 -
BESTfit Oil Cooler, Replace 2359780, 10R2128 For Caterpillar C11, C15 Engines
BESTFIT TRUCK PARTS
$1,632.99BESTfit Oil CoolerEnhance the cooling system of your construction equipment engines with our Oil Cooler. Designed for optimal performance, this aftermarket replacement part is sold individually, ensuring efficient heat dissipation and engine longevity. *...$1,632.99 -
BESTfit Electric Fan Clutch For Mack CH, GU7, FE-PTO, MP7, MP8, Volvo VHD, D11, D13
BESTFIT TRUCK PARTS
$1,803.99BESTfit Electric Fan Clutch Fits Mack & Volvo * High Quality Fan Clutch* 5 Pin* 11.00 Inch* 6.515 Inch Width* Sold Individually* Warranty On Fan Clutchs Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$1,803.99 -
BESTfit EGR Cooler For Cummins ISX Gen 3 Engine 2010-2013
BESTFIT TRUCK PARTS
$1,904.99BESTfit EGR Cooler - Replaces 3689282, 3686710, 3687048, 2892893 & 3687813The EGR Cooler is designed for Cummins ISX GEN 3 engines and is sold individually as an aftermarket replacement part, not bearing any OEM branding. Before purchasing, it's...$1,904.99 -
BESTfit EGR Cooler For Detroit DD15 60 Series Engine - Replaces 4721400475
BESTFIT TRUCK PARTS
$1,944.99BESTfit EGR Cooler For Detroit DD15 60 Series EngineThe EGR Cooler is intended for DD15 60 Series engines and is sold individually as an aftermarket replacement part, not bearing any OEM branding. Before making a purchase, it's crucial to verify OE...$1,944.99 -
BESTfit EGR Cooler For Detroit 14.0L DDEC VII 60 Series Engine - Replaces 23537387
BESTFIT TRUCK PARTS
$1,770.99BESTfit EGR Cooler For Detroit 14.0L DDEC VII 60 Series EngineThe EGR Cooler is specifically designed for Detroit Series 60 engines with 14.0L DDEC VII, manufactured between 2007 and 2009. Sold individually as an aftermarket replacement part without any...$1,770.99