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 EGR Cooler For Detroit 60 Series Engine - Replaces 23538835, 23535288 & 23535180 BESTfit EGR Cooler For Detroit 60 Series Engine - Replaces 23538835, 23535288 & 23535180
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    BESTfit EGR Cooler For Detroit 60 Series Engine - Replaces 23538835, 23535288 & 23535180

    BESTFIT TRUCK PARTS

    $1,058.99
    BESTfit EGR Cooler For Detroit 60 Series EngineThe EGR Cooler is designed for Detroit Series S60 engines and is sold individually as an aftermarket replacement part, not bearing any OEM branding. Before purchasing, it's essential to verify OE numbers to...
    $1,058.99
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  • BESTfit EGR Cooler For Ford, International School Buses W/ 6.0 L Powerstroke & VT365 Engines
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    BESTfit EGR Cooler For Ford, International School Buses W/ 6.0 L Powerstroke & VT365 Engines

    BESTFIT TRUCK PARTS

    $365.99
    BESTfit VT365 Cooler - Replaces 1845145C97, 1845274C92 & 4C3Z9P45AJThis BESTfit EGR Cooler is quality-engineered to cool exhaust gas and recirculate it back to the engine. Replacement prevents coolant from leaking into the exhaust manifold and may...
    $365.99
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  • BESTfit Oil Pan Isolator Seal Gasket For Caterpillar C15 & Late 3406E Engines
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    BESTfit Oil Pan Isolator Seal Gasket For Caterpillar C15 & Late 3406E Engines

    BESTFIT TRUCK PARTS

    $115.99
    BESTfit Diesel CAT C15 & Late 3406E Oil Pan GasketThe Oil Pan Gasket/Isolation Seal is a one-piece rubber component designed for Caterpillar C15 and late 3406E engines. Sold individually as an aftermarket replacement part, it's important to verify OE...
    $115.99
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  • BESTfit Oil Pan With Front Sump For International With T444E Engine Ford With 6.7L Engine
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    BESTfit Oil Pan With Front Sump For International With T444E Engine Ford With 6.7L Engine

    BESTFIT TRUCK PARTS

    $540.99
    BESTfit Oil Pan With Front Sump Fits International & Ford - Replaces 1825741C91 & 1830838C91 * High Quality Oil Pan With Front Sump * Aftermarket Oil Pan* Sold Individually***High Quality Aftermarket Replacement Part (Not OEM)***** Please Verify OE...
    $540.99
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  • On Sale
    BESTfit EGR Cooler For International NaviStar With Maxx Force 9, 10 & 11
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    BESTfit EGR Cooler For International NaviStar With Maxx Force 9, 10 & 11

    BESTFIT TRUCK PARTS

    Now: $224.24
    Was: $752.99
    BESTfit Exhaust Side EGR Cooler * High Quality EGR Cooler * Fits Aftermarket MaxxForce And Aftermarket International / Navistar Diesel Engine Trucks.* Engine Years: 2008-2014* Exhaust Side* Sold Individually***High Quality Aftermarket Replacement Part...
    Now: $224.24
    Was: $752.99
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    Now: $224.24
    Was: $752.99
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  • BESTfit 3 Piece Exhaust Manifold Kit For Cummins NT855 Late Style, Small Cam, Big Cam, I, II, III, IV & Nt88
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    BESTfit 3 Piece Exhaust Manifold Kit For Cummins NT855 Late Style, Small Cam, Big Cam, I, II, III, IV & Nt88

    BESTFIT TRUCK PARTS

    $399.99
    BESTfit Exhaust Manifold - Replaces 3801915, 3053137, 3053138 & 3052859The NT855 Exhaust Manifold kit offers comprehensive coverage, including front, center, and rear sections, along with a mounting kit for convenient installation. Designed without...
    $399.99
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    $399.99
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  • On Sale
    BESTfit AC Compressor W/ Clutch Direct Mount For Dennis Eagle 7H15 BESTfit AC Compressor W/ Clutch Direct Mount For Dennis Eagle 7H15
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    BESTfit AC Compressor W/ Clutch Direct Mount For Dennis Eagle 7H15

    BESTFIT TRUCK PARTS

    Now: $56.16
    Was: $207.99
    BESTfit 10 Groove AC Compressor W/ Single Wire Diode With KCA Head * High Quality AC Compressor* Direct Mount* 10 Groove 125MM Clutch* Single Wire With Diode With KCA Head* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship &...
    Now: $56.16
    Was: $207.99
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    Now: $56.16
    Was: $207.99
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  • BESTfit 4 Inch ID X 6 Inch 4-Ply Heavy Duty Silicone Charge Air Cooler Hose
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    BESTfit 4 Inch ID X 6 Inch 4-Ply Heavy Duty Silicone Charge Air Cooler Hose

    BESTFIT TRUCK PARTS

    $54.05
    BESTfit 4 X 6 Inch Silicone Charge Air Cooler Hose -65 Degree to 500 DegreeThe Charge Air Cooler is a robust component designed for reliable performance. With a 4-inch inner diameter and 6-inch length, this blue silicone hose is specifically crafted for...
    $54.05
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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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    $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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    $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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    $239.99
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