Semi-Truck Engine Parts

Semi-Truck Engine Parts

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 12V AC Compressor W/ Single Wire Ear Mount And Single Groove Clutch BESTfit 12V AC Compressor W/ Single Wire Ear Mount And Single Groove Clutch
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    BESTfit 12V AC Compressor W/ Single Wire Ear Mount And Single Groove Clutch

    BESTFIT TRUCK PARTS

    $236.99
    BESTfit Single Wire Ear Mount AC Compressor W/ Single Groove Clutch * High Quality AC Compressor* Single Wire Ear Mount* With 1 Groove Clutch * 12V* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship & Material From Date Of...
    $236.99
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  • BESTfit 11.9L Oil Pan Replaces 4975061 & 4975062 For Cummins ISX Front & Rear Sump
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    BESTfit 11.9L Oil Pan Replaces 4975061 & 4975062 For Cummins ISX Front & Rear Sump

    BESTFIT TRUCK PARTS

    $488.99
    BESTfit 11.9L Oil Pan Fits Cummins ISXThe 11.9L Oil Pan is tailored to fit Cummins ISX 11.9L engines, offering a universal fit suitable for both front and rear sump applications. Compatible with various truck makes and models, this oil pan ensures...
    $488.99
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    $488.99
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  • BESTfit Sanden Style AC Compressor W/ 6 Groove Clutch
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    BESTfit Sanden Style AC Compressor W/ 6 Groove Clutch

    BESTFIT TRUCK PARTS

    $232.99
    BESTfit Ear Mount AC Compressor * High Quality AC Compressor* With Sanden Style * 6 Groove Clutch * 2 Wire 12V * Ear Mount* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    $232.99
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  • BESTfit 12V AC Compressor W/ Single Wire And Single Groove Clutch
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    BESTfit 12V AC Compressor W/ Single Wire And Single Groove Clutch

    BESTFIT TRUCK PARTS

    $239.99
    BESTfit Single Wire AC Compressor W/ Single Groove Clutch * High Quality AC Compressor* Single Groove * 158 Mm Clutch * 12V* Single Wire* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship & Material From Date Of Purchase***...
    $239.99
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  • BESTfit A/C Compressor Sanden SD7H15 W/ 8 Groove Clutch
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    BESTfit A/C Compressor Sanden SD7H15 W/ 8 Groove Clutch

    BESTFIT TRUCK PARTS

    $206.99
    BESTfit 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
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    $206.99
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  • BESTfit AC Trinary Pressure/Fan Override Switch - Normally Closed, Replaces OEM Numbers 71R-7650, RD5-4625-0
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    BESTfit AC Trinary Pressure/Fan Override Switch - Normally Closed, Replaces OEM Numbers 71R-7650, RD5-4625-0

    BESTFIT TRUCK PARTS

    $64.25
    BESTfit 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
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  • BESTfit 4 X 33.5 Inch Heavy Duty Exhaust Gas Recirculation Cooler For ISX Cummins 2007-2011
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    BESTfit 4 X 33.5 Inch Heavy Duty Exhaust Gas Recirculation Cooler For ISX Cummins 2007-2011

    BESTFIT TRUCK PARTS

    $1,182.99
    BESTfit 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
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  • BESTfit Exhaust Gas Recirculation Cooler For International Maxxforce BESTfit Exhaust Gas Recirculation Cooler For International Maxxforce
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    BESTfit Exhaust Gas Recirculation Cooler For International Maxxforce

    BESTFIT TRUCK PARTS

    $550.99
    BESTfit 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
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  • BESTfit 20 Inch Flywheel Replaces 244-1636 For Caterpillar 3406E C15
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    BESTfit 20 Inch Flywheel Replaces 244-1636 For Caterpillar 3406E C15

    BESTFIT TRUCK PARTS

    $411.99
    BESTfit 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
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  • BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant Hose
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    BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant Hose

    BESTFIT TRUCK PARTS

    $31.61
    BESTfit 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
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  • BESTfit Tensioner Fan Replaces - 4299052 & 4299052 For Cummins ISX 15.0L Engines
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    BESTfit Tensioner Fan Replaces - 4299052 & 4299052 For Cummins ISX 15.0L Engines

    BESTFIT TRUCK PARTS

    $99.99
    BESTfit 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
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    $99.99
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  • BESTfit AC Compressor York Style Without Clutch Replaces ET210L-25150 For Freightliner BESTfit AC Compressor York Style Without Clutch Replaces ET210L-25150 For Freightliner
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    BESTfit AC Compressor York Style Without Clutch Replaces ET210L-25150 For Freightliner

    BESTFIT TRUCK PARTS

    $256.99
    BESTfit 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
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    $256.99
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