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 Complete Caterpillar 3406A, 3406B & 3406C Exhaust Manifold - 3 Piece
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    BESTfit Complete Caterpillar 3406A, 3406B & 3406C Exhaust Manifold - 3 Piece

    BESTFIT TRUCK PARTS

    $413.99
    BESTfit Complete Exhaust Manifold Fits CaterpillarEnhance your Caterpillar 3406A, B, or C engine with our premium aftermarket replacement manifold, meticulously crafted from a combination of cast iron and stainless steel. This three-piece manifold is...
    $413.99
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  • BESTfit Oil Pan Cast Aluminum For Caterpillar 3406 Pre-1985
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    BESTfit Oil Pan Cast Aluminum For Caterpillar 3406 Pre-1985

    BESTFIT TRUCK PARTS

    $805.99
    BESTfit Oil Pan For CAT 3406A & 3406BThe "Aluminum Oil Pan" is designed to fit CAT 3406 A or B engines manufactured in June 1986 and earlier. It has a universal fit for both front and rear sump applications and can hold up to 7 gallons of oil. Please...
    $805.99
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  • TPHD 1.875 Inch Oil Filler Cap With Chain For CAT TPHD 1.875 Inch Oil Filler Cap With Chain For CAT
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    TPHD 1.875 Inch Oil Filler Cap With Chain For CAT

    TPHD

    $21.31
    Oil Filler Cap Fits CATUpgrade your vehicle's fuel system with our quality Cap, complete with a convenient chain for secure closure. This aftermarket replacement part has a diameter of 1.875 inches, ensuring compatibility with various applications. Sold...
    $21.31
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  • BESTfit Size 8 Fuel Check Valve For 12.7L Detroit Diesel Engine
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    BESTfit Size 8 Fuel Check Valve For 12.7L Detroit Diesel Engine

    BESTFIT TRUCK PARTS

    $61.19
    BESTfit Size 8 12.7L Detroit Diesel Engine Fuel Check Valve * High Quality Fuel Check Valve* Sold Individually* Warranty On Fuel Check Valves Against Defects In Workmanship & Material From Date Of Purchase.*** High Quality Aftermarket Replacement Part...
    $61.19
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  • 3 Stage Turbocharger Ref 14969880000 By Switchblade For Caterpillar 3 Stage Turbocharger Ref 14969880000 By Switchblade For Caterpillar

    3 Stage Turbocharger Ref 14969880000 By Switchblade For Caterpillar

    SWITCHBLADE TURBO

    $2,328.99
    Switchblade 3 Stage Turbo  - Switchblade Turbo  - Includes:   - 90 Degrees Elbow   - Adapter  - 1.32 Air Ratio Turbine Housing  - 78 MM Compressor Wheel  - Horsepower Rating Is A Maximum Of 600hp  - Two-In-One...
    $2,328.99
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  • 3 Stage Turbocharger Ref 14969880000 By Switchblade 3 Stage Turbocharger Ref 14969880000 By Switchblade
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    3 Stage Turbocharger Ref 14969880000 By Switchblade

    SWITCHBLADE TURBO

    $2,328.99
    Switchblade 3 Stage TurboSwitchblade
    $2,328.99
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  • 4 Stage Turbocharger For Caterpillar Engine 14969880001 By Switchblade 4 Stage Turbocharger For Caterpillar Engine 14969880001 By Switchblade
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    4 Stage Turbocharger For Caterpillar Engine 14969880001 By Switchblade

    SWITCHBLADE TURBO

    $2,465.99
    Switchblade 4 Stage Turbo For Caterpillar EngineSwitchblade
    $2,465.99
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  • Stage Four Turbocharger Replaces 1496988001 By Switchblade Stage Four Turbocharger Replaces 1496988001 By Switchblade
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    Stage Four Turbocharger Replaces 1496988001 By Switchblade

    SWITCHBLADE TURBO

    $2,465.99
    Switchblade Stage 4 TurboEnhance your vehicle's power with this top-tier turbocharger featuring an 80 mm compressor wheel (inducer) diameter. Proudly made in the USA, it delivers exceptional performance and airflow. Sold individually, this turbo is...
    $2,465.99
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