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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  • 3.1 X 6.4 Inch Variable Pressure Output Device 3.1 X 6.4 Inch Variable Pressure Output Device
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    3.1 X 6.4 Inch Variable Pressure Output Device

    DAYTON / DORMAN

    $475.99
    Variable Pressure Output Device * High Quality Variable Pressure Output* Height: 3.1 Inch* Inlet Quantity: 1* Inlet Thread Size: 1/4-18 Npt* Length: 6.4 Inch* Material: Metal; Plastic* Outlet Quantity: 1* Outlet Thread Size: 1/4-18 Npt* Package Contents:...
    $475.99
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    $475.99
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  • Aluminum Heavy Duty Speed Sensor Housing Replaces Q21-6005 For Peterbilt, Kenworth 1995-2011 Aluminum Heavy Duty Speed Sensor Housing Replaces Q21-6005 For Peterbilt, Kenworth 1995-2011
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    Aluminum Heavy Duty Speed Sensor Housing Replaces Q21-6005 For Peterbilt, Kenworth 1995-2011

    DAYTON / DORMAN

    $60.39
    Aluminum Heavy Duty Speed Sensor Housing Fits PACCAR * High Quality Speed Sensor* Housing Material: Aluminum* Package Contents: Vehicle Speed Sensor* Package Quantity: 1* Terminal Type: Pin* Wiring Harness Included: No* Sold Individually** Warranty On...
    $60.39
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    $60.39
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  • Diesel Injection Actuation Pressure Sensor - Replaces 1946726, 2244536 Diesel Injection Actuation Pressure Sensor - Replaces 1946726, 2244536
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    Diesel Injection Actuation Pressure Sensor - Replaces 1946726, 2244536

    DAYTON / DORMAN

    $157.99
    * High Quality Diesel Injection Actuation Pressure Sensor* Body Material: Plastic, Metal* Connector Color: Green* Connector Gender: Female* Connector Quantity: 1* Connector Shape: Triangle* Package Contents: 1 Injection Actuation Pressure Sensor*...
    $157.99
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    $157.99
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  • Push-On Crankcase Vent Elbow - Replaces 10042904, 10124635, 8-10124-635-0
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    Push-On Crankcase Vent Elbow - Replaces 10042904, 10124635, 8-10124-635-0

    DAYTON / DORMAN

    $6.11
    Push-On Crankcase Vent Elbow * High Quality Crankcase Vent Elbow* Attachment Method: Push On* Inlet Diameter (In): 0.281 Inch* Installation Hardware Included: No* Material: Rubber* Outlet Diameter (In): 0.281 Inch* Package Contents: 1 Elbow* Sold...
    $6.11
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    $6.11
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  • Aluminum Heavy Duty Speed Sensor Housing Replaces Q21-6005 For Peterbilt, Kenworth Aluminum Heavy Duty Speed Sensor Housing Replaces Q21-6005 For Peterbilt, Kenworth
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    Aluminum Heavy Duty Speed Sensor Housing Replaces Q21-6005 For Peterbilt, Kenworth

    DAYTON / DORMAN

    $57.04
    Aluminum Heavy Duty Speed Sensor Housing Fits PACCAR * High Quality Speed Sensor * Housing Material: Aluminum* Package Contents: Vehicle Speed Sensor* Package Quantity: 1* Terminal Type: Pin* Wiring Harness Included: No* Sold Individually** Warranty On...
    $57.04
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    $57.04
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  • 1 X 3.25 X 4.75 Inch Diesel Glow Plug Module Connector - Replaces 8-98018-512-0 1 X 3.25 X 4.75 Inch Diesel Glow Plug Module Connector - Replaces 8-98018-512-0
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    1 X 3.25 X 4.75 Inch Diesel Glow Plug Module Connector - Replaces 8-98018-512-0

    DAYTON / DORMAN

    $277.99
    1 X 3.25 X 4.75 Inch Diesel Glow Plug Module Connector * High Quality Diesel Glow Plug Module * Adjustable: No* Attachment Type: Pressed* Ball Joint Included: Yes* Ball Joint Installed: Yes* Ball Joint Stud Type: Threaded* Ball Joint Thread Diameter: 14...
    $277.99
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    $277.99
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  • Driver Side Cast Iron Exhaust Manifold W/ Gaskets - Replaces 12570671, 12603737, 8-12570-671-0, 8-12603-737-0 Driver Side Cast Iron Exhaust Manifold W/ Gaskets - Replaces 12570671, 12603737, 8-12570-671-0, 8-12603-737-0
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    Driver Side Cast Iron Exhaust Manifold W/ Gaskets - Replaces 12570671, 12603737, 8-12570-671-0, 8-12603-737-0

    DAYTON / DORMAN

    $209.99
    Driver Side Cast Iron Exhaust Manifold W/ Gaskets * High Quality Cast Iron Exhaust Manifold* Color: Natural* Exhaust Manifold Inlet Port Shape: Round* Gasket Or Seal Included: Yes* Grade Type: Regular* Heat Shield Included: Yes* Material: Cast Iron*...
    $209.99
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    $209.99
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  • Oil Adapter, Cooler Gasket - Replaces 10244495, 12551589, 8-10244-495-0, 8-12551-589-0, 8-88893-990-0
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    Oil Adapter, Cooler Gasket - Replaces 10244495, 12551589, 8-10244-495-0, 8-12551-589-0, 8-88893-990-0

    DAYTON / DORMAN

    $5.09
    Oil Adapter & Cooler Gasket Assortment For Oil Filter Adapter * High Quality Oil Adapter And Cooler Gasket* Describe Type: Engine Oil Filter Adapter O-Ring* Gasket Material: Rubber, Steel* Package Contents: - 13 O-Rings - 2 Metal Seals* Package...
    $5.09
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    $5.09
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  • Metal/Rubber Oil Drain Plug Gasket - Replaces 14079550, 14090908, 1625762, 1631748, 24571185, 25524544
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    Metal/Rubber Oil Drain Plug Gasket - Replaces 14079550, 14090908, 1625762, 1631748, 24571185, 25524544

    DAYTON / DORMAN

    $54.05
    Metal/Rubber Oil Drain Plug Gasket * High Quality Oil Drain Plug Gasket* Gasket Thickness (Mm): 2.06 Mm* Outer Diameter (In): 0.973 Inch* Thickness: 2.06 Mm* Package Quantity: 25* Inside Diameter (In): 0.453 In* Gasket Material: Metal, Rubber* Package...
    $54.05
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  • 15 Inch Deep Fiberglass 40 Qt Engine Oil Pan Front Sump - Replaces 23521170, 23522282 15 Inch Deep Fiberglass 40 Qt Engine Oil Pan Front Sump - Replaces 23521170, 23522282
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    15 Inch Deep Fiberglass 40 Qt Engine Oil Pan Front Sump - Replaces 23521170, 23522282

    DAYTON / DORMAN

    $411.99
    15 Inch Deep Fiberglass 40 Qt Engine Oil Pan Front Sump * High Quality Engine Oil Pan* Baffled: No* Bolt Hole Quantity: 10* Capacity: 40 Qt* Color/Finish: Black* Crank Shaft Wiper Included: No* Dipstick Port: No* Drain Plug Thread Size: 3/4X14* Engine...
    $411.99
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    $411.99
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  • 2.5 Inch Driver/Passenger Side Exhaust Manifold Hardware Kit - Replaces 9442012
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    2.5 Inch Driver/Passenger Side Exhaust Manifold Hardware Kit - Replaces 9442012

    DAYTON / DORMAN

    $16.31
    2.5 Inch Driver/Passenger Side Exhaust Manifold Hardware Kit * High Quality Exhaust Manifold Hardware Kit* Bolt Grade: Grade 8* Dog Point Fastener: No* Item Grade: Standard Replacement* Length: 2.5 Inch* Material: Metal* Package Contents: 6 Bolts*...
    $16.31
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    $16.31
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  • Exhaust Gas Recirculation Valve Connector Replaces 12576918, 17093020 For Isuzu, GMC Exhaust Gas Recirculation Valve Connector Replaces 12576918, 17093020 For Isuzu, GMC
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    Exhaust Gas Recirculation Valve Connector Replaces 12576918, 17093020 For Isuzu, GMC

    DAYTON / DORMAN

    $180.99
    EGR Valve Connector Fits Isuzu & GMC * High Quality Exhaust Gas Recirculation Valve Connector* Connector Quantity: 1* Connector Shape: Rectangular* EGR (Exhaust Gas Recirculation) Valve Operation Type: Electronically Operated* Exhaust Port: No* Gasket Or...
    $180.99
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    $180.99
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