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 Stamped Steel Oil Pan W/ Front Sump For Volvo D13, Mack MP8 Engines
BESTFIT TRUCK PARTS
$825.99BESTfit Stamped Steel Oil PanWe offer a stamped steel oil pan designed for front sump applications. It comes with all attachments, with the sensor bagged separately. This oil pan can be used as a replacement for fiberglass oil pans and is sold...$825.99 -
BESTfit Oil Pan Gasket For AK21585801 Oil Pan
BESTFIT TRUCK PARTS
$109.99BESTfit Oil Pan Gasket For Volvo D13 & Mack MP8 Oil PansWe provide an aftermarket oil pan gasket, sold individually. Please note that it is paired with oil pan 29-07200018, which is sold separately. * Oil Pan Gasket* Pair With Oil Pan 29-07200018 * Sold...$109.99 -
BESTfit Oil Pan, Replaces 138-2548, 507-0653 For Caterpillar C12, C10, 3176 Engines
BESTFIT TRUCK PARTS
$1,246.99BESTfit Oil PanWe offer an aftermarket replacement oil pan suitable for both front and rear sump applications, sold individually. * Oil Pan* Front And Rear Sump Applications* Sold IndividuallyAftermarket Replacement Part (Not OEM)$1,246.99 -
BESTfit Water Pump, Replaces 5524786, 5473173 For Cummins B Series Engines
BESTFIT TRUCK PARTS
$71.39Cummins B Series BESTfit Water PumpOur water pump with a pulley diameter of 88 mm is available as an aftermarket replacement part, sold individually. * Water Pump* Pulley Diameter 88 Mm* Sold IndividuallyAftermarket Replacement Part (Not OEM)$71.39 -
BESTfit Water Pump, Replaces 3098697 For Cummins N14 Engines
BESTFIT TRUCK PARTS
$299.99Cummins N14 Engine BESTfit Water PumpOur marine water pump is sold individually as an aftermarket replacement part. * Water Pump* Marine Application* Sold IndividuallyAftermarket Replacement Part (Not OEM)$299.99 -
BESTfit Exhaust Manifold, Replaces 3931440 For Cummins C Series Engines
BESTFIT TRUCK PARTS
$197.99BESTfit Exhaust ManifoldOur exhaust manifold is sold individually as an aftermarket replacement part * Exhaust Manifold* Sold IndividuallyAftermarket Replacement Part (Not OEM)$197.99 -
BESTfit Water Pump, Replaces 3692908 For Cummins ISX Engines
BESTFIT TRUCK PARTS
$828.99BESTfit Water PumpOur water pump is sold individually and comprises two pieces: the core part number AK-3692580 and the back housing part number AK-3692937. * Water Pump* 2-Pc * Core Part Number Ak-3692580* Back Housing Part Number Ak-3692937* Sold...$828.99 -
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