Semi-Truck Trailer Parts

Semi-Truck Trailer Parts

Semi-Truck Trailer Parts

Get top-notch semi-truck trailer parts at 4 State Trucks. From automatic slack adjusters to air bags and torque arms, we've got what your rig needs. Our parts are known for quality and reliability, making maintenance hassle-free. Looking for fuel tank straps or air tanks? We've got those too. Shop now and keep your truck in peak condition.
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  • Steel Whiting Roll Up Door Roller W/ 3 inch Shaft For 2 Inch Track
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    Steel Whiting Roll Up Door Roller W/ 3 inch Shaft For 2 Inch Track

    AUTOMANN USA

    $6.11
    Shaft Whiting Door Roller Replaces 025-10102, 7432This Quality Whiting Door Roller is a reliable choice for your roll-up truck door. It uses a 10 Ball Bearing and has a shaft that measures 3 inches long and 7/16 inch in diameter. Designed to fit a 2 inch...
    $6.11
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  • Over 80 Inch Wide Reflector Submersible Combo Tail Light With License Light - Red LED / Red Lens Over 80 Inch Wide Reflector Submersible Combo Tail Light With License Light - Red LED / Red Lens
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    Over 80 Inch Wide Reflector Submersible Combo Tail Light With License Light - Red LED / Red Lens

    UNITED PACIFIC

    $37.93
    Sonically Sealed Square LED Combination Tail Light * High Quality Combination Light* Made Of Polycarbonate* 80 Inch Wide* With License Light* (18) Red LED And (3) Red LED Side Marker * (5) White LED License Illuminator* Sonically Sealed To Housing To...
    $37.93
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  • Over 80 Inch Wide Submersible Combination Tail Light With License Light - Red LED / Red Lens Over 80 Inch Wide Submersible Combination Tail Light With License Light - Red LED / Red Lens
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    Over 80 Inch Wide Submersible Combination Tail Light With License Light - Red LED / Red Lens

    UNITED PACIFIC

    $35.89
    Sonically Sealed Square LED Combination Tail Light * High Quality Combination Light* Made Of Polycarbonate* 80 Inch Wide* With License Light* (12) Red LED And 4 Red LED Side Marker * (4) White LED License Illuminator* Sonically Sealed To Housing To...
    $35.89
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  • Over 80 Inch Wide Submersible Combination Tail Light W/O License Light - Red LED / Red Lens Over 80 Inch Wide Submersible Combination Tail Light W/O License Light - Red LED / Red Lens
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    Over 80 Inch Wide Submersible Combination Tail Light W/O License Light - Red LED / Red Lens

    UNITED PACIFIC

    $29.77
    Sonically Sealed Square LED Combination Tail Light * High Quality Combination Light* Made Of Polycarbonate* 80 Inch Wide* With (12) Red LED And (4) Red LED Side Marker* Sonically Sealed To Housing To Prevent Moisture Intrusion* 3 Wires - White -Ground-...
    $29.77
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  • Over 80 Inch Wide LED Submersible Combination Tail Light Kit - Red LED / Red Lens Over 80 Inch Wide LED Submersible Combination Tail Light Kit - Red LED / Red Lens
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    Over 80 Inch Wide LED Submersible Combination Tail Light Kit - Red LED / Red Lens

    UNITED PACIFIC

    $74.86
    Sonically Sealed Square LED Combination Tail Light * High Quality Combination Light Kit* Kit Includes: - Light- Bracket Item Number 09-010600037 - Wires* Made Of Polycarbonate* 80 Inch Wide* (24) Red LED * (8) Red LED Side Marker * (4) White LED License...
    $74.86
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  • 20 LED 7 Inch Round Back-Up Light - Super Bright LED 20 LED 7 Inch Round Back-Up Light - Super Bright LED
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    20 LED 7 Inch Round Back-Up Light - Super Bright LED

    UNITED PACIFIC

    $26.99
    7 Inch Round Back Up Light * High Quality Back-Up Light* 7 Inch* 20 LED * Round* Sold Individually* Warranty On Back-Up Lights Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** This...
    $26.99
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  • Trailer Hubcap Mounting Clip Set With 3/8 Inch Diameter Hole For 9.25 Inch Hubcaps - Pack Of 3 Trailer Hubcap Mounting Clip Set With 3/8 Inch Diameter Hole For 9.25 Inch Hubcaps - Pack Of 3
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    Trailer Hubcap Mounting Clip Set With 3/8 Inch Diameter Hole For 9.25 Inch Hubcaps - Pack Of 3

    UNITED PACIFIC

    $3.15
    Wheel Hubcap Mounting Hardware For 9.25 Inch Trailer HubcapsSecure your trailer hubcaps with our Hubcap Mounting Clip Set. This three-piece set is designed to keep your hubcaps firmly in place, ensuring they stay attached during travel. Each clip has...
    $3.15
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  • 18 LED Mid Trailer Turn Signal Light Kit W/ Grommet & Plug - Amber LED/ Amber Lens 18 LED Mid Trailer Turn Signal Light Kit W/ Grommet & Plug - Amber LED/ Amber Lens
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    18 LED Mid Trailer Turn Signal Light Kit W/ Grommet & Plug - Amber LED/ Amber Lens

    UNITED PACIFIC

    $23.45
    Amber LED Mid Trailer Turn Signal Light Kit With Amber Polycarbonate LensThe high-quality mid trailer turn signal light kit includes a light, grommet, and plug. The light features a polycarbonate construction and contains 18 amber LEDs with an amber lens...
    $23.45
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  • Over 80 Inch Wide LED Submersible Combination Tail Light Kit - Red LED / Red Lens, Driver & Passenger Side
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    Over 80 Inch Wide LED Submersible Combination Tail Light Kit - Red LED / Red Lens, Driver & Passenger Side

    UNITED PACIFIC

    $27.73
    Submersible Combination Tail Light Kit * High Quality Combination Tail Light* Kit Includes- (2) Stop And Tail Lights- (2) Amber Side Marker Lights- 25 Ft Trailer Wire Harness- 4 Ft Trunk Connector- License Bracket- All Mounting Gear* 80 Inch* Submersible...
    $27.73
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  • Over 80 Inch Wide Submersible Combination Tail Light W/O License Light, Passenger Side - Red LED / Red Lens
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    Over 80 Inch Wide Submersible Combination Tail Light W/O License Light, Passenger Side - Red LED / Red Lens

    UNITED PACIFIC

    $6.21
    Submersible Combination Tail Light Without License Light * Combination Tail Light* 80 Inch* Submersible * Without License Light* Designed With Acrylic Lens And High Impact Housing* Meets DOT Requirements For Stop/Turn/Tail* Rear And Side Reflector* Side...
    $6.21
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  • Over 80 Inch Wide Rectangular Submersible Combination Tail Light W/O License Light Over 80 Inch Wide Rectangular Submersible Combination Tail Light W/O License Light
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    Over 80 Inch Wide Rectangular Submersible Combination Tail Light W/O License Light

    UNITED PACIFIC

    $7.99
    High Impact Submersible Combination Rectangular Tail Light W/ Acrylic Lens * High Quality Tail Light* 80 Inch* Rectangular Submersible Combination* Without License Light* Designed With Acrylic Lens And High Impact Housing* Gaskets Create Air Pocket...
    $7.99
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  • Over 80 Inch Wide Submersible Combination Tail Light W/ License Light, Driver Side Over 80 Inch Wide Submersible Combination Tail Light W/ License Light, Driver Side
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    Over 80 Inch Wide Submersible Combination Tail Light W/ License Light, Driver Side

    UNITED PACIFIC

    $7.28
    Submersible Combination Tail Light With License Light * High Quality Tail Light* 80 Inch* Submersible Combination* License Light* Designed With Acrylic Lens And High Impact Housing* Standard 2 Inch Stud Mounting* Meets Dot Requirements For Stop/Turn/Tail...
    $7.28
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