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 Egr Cooler, Replaces 4988884, 68048991AA For Cummins B Series Engines
BESTFIT TRUCK PARTS
$1,100.99BESTfit Egr CoolerKeep your engine running smoothly with our EGR cooler. Each one is sold individually to meet your specific needs. - EGR Cooler- Sold IndividuallyAftermarket Replacement Part (Not OEM)$1,100.99 -
BESTfit Tensioner, Replaces 23527677 For Detroit Diesel S60 Engines
BESTFIT TRUCK PARTS
$99.99BESTfit TensionerEnsure your vehicle's belt or chain stays in place with our tensioner. Each one is designed to prevent slipping and is sold individually for your convenience. - Tensioner- Prevents The Belt Or Chain From Slipping- Sold...$99.99 -
BESTfit Tensioner, Replaces 21461221, 21417563 For Mack, Volvo
BESTFIT TRUCK PARTS
$88.35BESTfit TensionerInvest in the reliability of your vehicle's belt system with our tensioner. Each one is sold individually to meet your specific needs. - High Quality Tensioner- Sold IndividuallyAftermarket Replacement Part (Not OEM)$88.35 -
BESTfit Tensioner For CAT Engines
BESTFIT TRUCK PARTS
$88.35BESTfit TensionerUpgrade the tensioning system of your on-highway trucks and construction equipment with our aftermarket tensioner. Sold individually, this part ensures optimal belt tension for improved performance and reliability. - Tensioner- For...$88.35 -
BESTfit Tensioner, Replaces 23520317 For Detroit Diesel S60 Engines
BESTFIT TRUCK PARTS
$88.35BESTfit TensionerEnhance the performance of your engine with our aftermarket tensioner, designed for durability and reliability. Sold individually, this replacement part ensures proper tensioning of belts and optimal engine operation. - Tensioner- Sold...$88.35 -
BESTfit Flywheel, Replaces 3909908 For Cummins ISC, ISL Engines
BESTFIT TRUCK PARTS
$504.99BESTfit FlywheelUpgrade your engine with our aftermarket flywheel, featuring 158 teeth and a durable ring gear for optimal performance. Sold individually, this replacement part is designed to meet or exceed OEM standards, ensuring reliable operation and...$504.99 -
BESTfit Damper, Replaces 3073587 For Cummins ISM, M1 Engines
BESTFIT TRUCK PARTS
$473.99BESTfit DamperOptimize your engine's performance and minimize vibrations with our aftermarket damper. Sold individually, this replacement part is designed to meet or exceed OEM standards, providing reliable performance and durability for your vehicle. -...$473.99 -
BESTfit Damper, Replaces 8929294, 8929502 For 11.1L, 12.7L, 14.0L Detroit Diesel Series 60 Engines
BESTFIT TRUCK PARTS
$425.99BESTfit DamperEnhance your vehicle's engine performance with our aftermarket damper, designed for optimal vibration reduction and engine stability. Sold individually, this damper is a replacement part, ensuring reliable operation and longevity. - Damper-...$425.99 -
BESTfit Cast Iron Flywheel Housing For Cummins 8.3L ISC-ISL Engines
BESTFIT TRUCK PARTS
$850.99BESTfit Cast Iron Flywheel HousingUpgrade your vehicle's flywheel housing with our aftermarket replacement part, crafted from durable cast iron for lasting performance. Sold individually, this flywheel housing ensures a reliable fit and is designed as an...$850.99 -
BESTfit Flywheel Housing Gasket, Replaces 4026695, 4965688 For AK-3680063 Flywheel Housing
BESTFIT TRUCK PARTS
$87.71BESTfit Flywheel Housing GasketEnsure a proper seal for your ISX flywheel housing with our Gasket. Designed as an aftermarket replacement part, it fits perfectly and is sold individually for your convenience. - Gasket- Fits In Your ISX Flywheel Housing-...$87.71 -
BESTfit Flywheel For Cummins ISX12 Engines
BESTFIT TRUCK PARTS
$521.99BESTfit SAE No 1 Flywheel W/ Ring GearUpgrade your engine system with our Flywheel, designed to fit SAE No.1 specifications and accommodate a 15.5-inch clutch. This aftermarket replacement part includes a ring gear for seamless operation. Sold...$521.99 -
BESTfit Flywheel, Replaces 3282171 For Cummins ISC, ISL Engines
BESTFIT TRUCK PARTS
$774.99BESTfit FlywheelEnhance your engine's performance with our Flywheel featuring 138 teeth, ensuring seamless engagement. Designed to utilize a ring gear, this aftermarket replacement part guarantees durability and reliability. Sold individually, it's the...$774.99