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 A/C Compressor Sanden SD7H15 W/ 8 Groove Clutch
BESTFIT TRUCK PARTS
$206.99BESTfit AC Compressor Sanden SD7H15 * High Quality AC Compressor* Ear Mount* With 8 Groove Clutch* 12Volt* 2 Wire Plug* OEM Number 1804173, 1804178, F696001211, And F696002212 5361* Sold Individually* Warranty On AC Compressors Against Defects In...$206.99 -
BESTfit AC Trinary Pressure/Fan Override Switch - Normally Closed, Replaces OEM Numbers 71R-7650, RD5-4625-0
BESTFIT TRUCK PARTS
$64.25BESTfit Normally Closed Ac Trinary Switch Replaces OEM Numbers 71R-7650, RD5-4625-0 * High Quality AC Trinary Fan Overide/Pressure Switch* Normally Closed High * Open 325/Close 230 * Low - Open 22/ Close 40* Sold Individually* Warranty On AC Trinary Fan...$64.25 -
BESTfit 4 X 33.5 Inch Heavy Duty Exhaust Gas Recirculation Cooler For ISX Cummins 2007-2011
BESTFIT TRUCK PARTS
$1,182.99BESTfit EGR Cooler For Cummins ISX Gen 2Presenting our Exhaust Gas Recirculation Cooler, a reliable aftermarket replacement part designed for optimal performance. This cooler features a flanged design with an inlet inside diameter of 1.65 inches and an...$1,182.99 -
BESTfit Exhaust Gas Recirculation Cooler For International Maxxforce
BESTFIT TRUCK PARTS
$550.99BESTfit EGR Cooler Fits InternationalIntroducing our Gas Recirculation Cooler, meticulously crafted for optimum performance and durability. With a sleek stainless steel finish, this cooler features a flanged design for easy installation. It boasts a 1...$550.99 -
BESTfit 20 Inch Flywheel Replaces 244-1636 For Caterpillar 3406E C15
BESTFIT TRUCK PARTS
$411.99BESTfit Flywheel For 15 Inch Clutch Fits CaterpillarIntroducing the aftermarket Flywheel designed to perfectly fit Caterpillar 3406E (Late) and C15 engines. This flat-designed Flywheel features a 10-inch opening and 12 bolt mounting holes, meeting SAE #1...$411.99 -
BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant Hose
BESTFIT TRUCK PARTS
$31.61BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant HoseIntroducing our Silicone Coolant Hose, designed for versatile use with a diameter ranging from 2.5 inches to 2 inches and a length of 6 inches. This durable hose can be employed for various...$31.61 -
BESTfit Tensioner Fan Replaces - 4299052 & 4299052 For Cummins ISX 15.0L Engines
BESTFIT TRUCK PARTS
$99.99BESTfit Fan Tensioner Pulley Fits Cummins 15.0 Liter EngineUpgrade your engine's performance with our steel aftermarket replacement part, designed to enhance efficiency and durability. This component boasts a width of 2.244 inches and a pulley outer...$99.99 -
BESTfit AC Compressor York Style Without Clutch Replaces ET210L-25150 For Freightliner
BESTFIT TRUCK PARTS
$256.99BESTfit AC Compressor Without Clutch * High Quality Compressor* Without Clutch York* Tube-O Fittings LH Suction* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$256.99 -
BESTfit Aluminum Oil Pan W/ Front Sump - Replaces 23522282 For Detroit 60 Series
BESTFIT TRUCK PARTS
$1,030.99BESTfit Detroit Series 60 Oil Pan With Front SumpThe Aluminum Oil Pan is designed for Detroit 60 Series 14.0 Liter DDEC4 engines, featuring a front sump configuration for efficient oil management. This aftermarket replacement part includes mounting bolts...$1,030.99 -
BESTfit Water Pump For Cummins L10 & M11 With 3 Bolt Design
BESTFIT TRUCK PARTS
$227.99Cummins L10 & M11 BESTfit Water PumpThe Water Pump is compatible with Cummins L10 and M11 engines with a 3-bolt design from 1991 onwards, as well as IHC 8100 & 2000 models. Sold individually, this aftermarket replacement part ensures reliable performance...$227.99 -
BESTfit AC Compressor For Freightliner, Kenworth & International
BESTFIT TRUCK PARTS
$351.99BESTfit AC Compressor Fits Freightliner, Kenworth & International * High Quality AC Compressor* York Tube-O Style * With Clutch* 8 Groove Pulley* Sold Individually* Warranty On AC Compressor Against Defects In Workmanship & Material From Date Of...$351.99 -
BESTfit AC Compressor Clutch 12 Volt York Style With 1 Wire
BESTFIT TRUCK PARTS
$165.99BESTfit AC Clutch York Style 6 Inch Diameter * High Quality AC Clutch* York Style* 6 Inch Diameter* A1 Groove* 1 Wire* 12 Volt* Key Shaft* 3 Inch MD* Sold Individually* Warranty On AC Clutches Against Defects In Workmanship & Material From Date Of...$165.99