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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Performance Exhaust Manifold Replaces 150-1914 / 100-5694 For Freightliner, Volvo & Western Star W/ CAT Engine
BULLY DOG
$1,975.00Ceramic Coated Exhaust Manifold Fits Freightliner, Volvo & Western Star W/ CAT Engine - Replaces 150-1914 / 100-5694Upgrade an old stock manifold on a Caterpillar engine with this premium, heavy duty Bully Dog ceramic coated exhaust manifold. It is one...$1,975.00 -
Ceramic-Coated Exhaust Manifold Replaces 23536449 For 60 Series Detroit 14L Engine
BULLY DOG
$1,975.00Exhaust Manifold Fits DetroitUpgrade an old stock manifold on a 14.0L EGR 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 with a high power...$1,975.00 -
Ceramic-Coated Exhaust Manifold Replaces 23519348 & 23511978 For Peterbilt & Kenworth
BULLY DOG
$1,975.00Exhaust Manifold Fits Kenworth And PeterbiltIf you are ready to upgrade an old stock manifold on a 1995-2003 Detroit 12.7L and 14.0L Series 60, Elite Truck Accessorieshas what you are looking for with this heavy duty Bully Dog Ceramic Coated Exhaust...$1,975.00 -
Gauge Tuner For CAT, Cummins & Detroit Engines
BULLY DOG
$1,298.95Heavy Duty Gauge Tuner Fits CAT, Cummins And Detroit EnginesIf you are looking for an easy to install tuner that provides a broad selection of customized options, Elite Truck Accessoriesoffers this quality Heavy Duty Gauge Tuner from Bully Dog. It...$1,298.95 -
Bully Dog ECM Tuner Diesel Tuner
BULLY DOG
$849.00Bully Dog ECM Diesel TunerIf you are looking for a simple platform to load independently SAE tested tuning to your truck, Elite Truck Accessoriesoffers this high quality ECM Tuner by Bully Dog for Detroit and Mercedes engines. It is streamlined to...$849.00 -
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 -
Heavy Duty Watchdog Multifunction Gauge Pack
BULLY DOG
$449.99Heavy Duty Watchdog Multifunction Gauge PackAre you looking for the perfect tool to help save money and improve driver behavior? Elite Truck Accessoriesoffers this heavy duty Watchdog Multifunction Gauge pack designed to give owner operators and fleet...$449.99 -
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 -
Fleetguard Fuel Filter For FASS Fuel System FF5588
FASS
$35.76FF5588 Fleetguard Fuel Filter For FASS Fuel System * Physical Dimensions:Largest OD - 3.75 InchOverall Height - 8 InchThread Size - 1.5 -16 UN-2B* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of...$35.76 -
LF9070 Fleetguard Spin-On Oil Filter Cummins ISX
OPP - ORIGINAL PARTS PROGRAM
$68.99LF9070 Fleetguard Spin-On Oil Filter Cummins ISX * Replaces OEM # LF9000FLG* Sold Individually* Warranty On Oil Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***This Original...$68.99