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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  • BESTfit Axle Connection Kit - SRK64 For Holland / Neway
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    BESTfit Axle Connection Kit - SRK64 For Holland / Neway

    BESTFIT TRUCK PARTS

    $222.99
    BESTfit Axle Connection Kit Replaces E2977A, R302977A, 48100108, And SRK64  - Axle Connection Kit - Consists Of  - (2) Axle Wrap Pad  - (2) Axle Bottom Pad - (2) U Bolt Kit F/Round 1 x 6-3/8 x 9-1/2 Inch - Made In USA -...
    $222.99
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    $222.99
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  • BESTfit Nylon Brake Camshaft Bushing 1.5 ID X 1.85 OD X 2 Inch For Spicer Trailer Axle
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    BESTfit Nylon Brake Camshaft Bushing 1.5 ID X 1.85 OD X 2 Inch For Spicer Trailer Axle

    BESTFIT TRUCK PARTS

    $2.03
    BESTfit Nylon Brake Camshaft Bushing Replaces E661, R617001, 28-1257, And M10Wj178  - Camshaft Bushing - Nylon - Dimensions:  - 1.5 Inch ID  - 1.875 Inch OD  - 2 Inch Length - Spicer Trailer Axle - Sold...
    $2.03
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    $2.03
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  • BESTfit Camshaft Bushing 1.5 ID X 1.875 OD X 1.5 Inch
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    BESTfit Camshaft Bushing 1.5 ID X 1.875 OD X 1.5 Inch

    BESTFIT TRUCK PARTS

    $8.97
    BESTfit 1.5 ID X 1.875 OD X 1.5 Inch Camshaft Bushing  - Camshaft Bushing - Dimensions:  - 1.50 Inch ID - 1.875 Inch OD - 1.50 Inch Length - Forge Axles - Sold Individually - Warranty On Camshaft Bushings Against...
    $8.97
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  • BESTfit Universal Adjustable Height Control Linkage Kit- Henrickson Trailer Style- Replaces S14187
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    BESTfit Universal Adjustable Height Control Linkage Kit- Henrickson Trailer Style- Replaces S14187

    BESTFIT TRUCK PARTS

    $15.28
    BESTfit Hendrickson Style Head Height Control Valve Linkage Kit  - Linkage Kit - 7.813 Inch Length - Sold Individually - Warranty On Linkage Kits Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket...
    $15.28
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    $15.28
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  • BESTfit Bronze Brake Camshaft Bushing 1.50 ID X 2 OD X 1.50 Inch
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    BESTfit Bronze Brake Camshaft Bushing 1.50 ID X 2 OD X 1.50 Inch

    BESTFIT TRUCK PARTS

    $11.21
    BESTfit Camshaft Bushing Replaces E11449 And S28898  - Camshaft Bushing - Bronze - Dimensions: - 1.50 Inch ID  - 2.00 Inch OD  - 1.50 Inch Length - Sold Individually - Warranty On Camshaft Bushings Against Defects...
    $11.21
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    $11.21
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  • BESTfit Pivot Connection Service Repair Kit For SAF Holland/Neway
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    BESTfit Pivot Connection Service Repair Kit For SAF Holland/Neway

    BESTFIT TRUCK PARTS

    $187.99
    BESTfit Bushing Service Repair Kit Replaces 48100202, SRK145  - Service Repair Kit - Consists Of  - (2) Cap Screw 1-1/8 Inch X 9-1/2 Inch Gr8 - (2) Lock Nut St 1-1/8 Inch Gr C - (4) Washer  - (2) Pivot Bushing  - Does 2...
    $187.99
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    $187.99
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  • BESTfit Nylon Brake Camshaft Bushing 1.5 ID X 2.469 OD X 1.50 Inch
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    BESTfit Nylon Brake Camshaft Bushing 1.5 ID X 2.469 OD X 1.50 Inch

    BESTFIT TRUCK PARTS

    $4.47
    BESTfit Nylon Brake Camshaft Bushing Replaces E2517, R617008, 271191, And M10Wj100  - Camshaft Bushing - Nylon - Dimensions: - 1.50 Inch ID  - 2.469 Inch OD  - 1.50 Inch Length - Spicer Trailer Axle - Sold...
    $4.47
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    $4.47
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  • BESTfit Nylon Camshaft Bushing 1.5 ID X 1.875 OD X 1.5 Inch
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    BESTfit Nylon Camshaft Bushing 1.5 ID X 1.875 OD X 1.5 Inch

    BESTFIT TRUCK PARTS

    $1.09
    BESTfit 1.5 ID X 1.875 OD X 1.5 Inch Nylon Camshaft Bushing  - Camshaft Bushing - Nylon - Dimensions:  - 1.50 Inch ID - 1.875 Inch OD - 1.50 Inch Length - Forge Axles - Sold Individually - Warranty On Camshaft...
    $1.09
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    $1.09
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  • BESTfit Haldex Type Automatic Slack Adjuster 1 5/8 - 37 Spline X 6 Inch Replaces 40020214, 133.3741
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    BESTfit Haldex Type Automatic Slack Adjuster 1 5/8 - 37 Spline X 6 Inch Replaces 40020214, 133.3741

    BESTFIT TRUCK PARTS

    $89.75
    6 Inch Automatic Slack Adjuster Replaces Haldex 40020214, 133.3741  - Slack - Dimensions:  - 1-5/8 Inch Spline Diameter  - 6 Inch Arm Length - 37 Splines - Hardware Bracket Kit (Included) - Made In USA - Sold...
    $89.75
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    $89.75
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  • BESTfit Nylon Brake Camshaft Bushing 1.5 ID X 2.75 OD X 2.5 Inch For Early Meritor And Fruehauf Trailer Axle
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    BESTfit Nylon Brake Camshaft Bushing 1.5 ID X 2.75 OD X 2.5 Inch For Early Meritor And Fruehauf Trailer Axle

    BESTFIT TRUCK PARTS

    $5.59
    BESTfit Nylon Brake Camshaft Bushing Replaces E535, 515148, A3299G1541, And 27-1200  - Camshaft Bushing - Nylon - Dimensions: - 1.50 Inch ID  - 2.75 Inch OD  - 2.50 Inch Length - Early Meritor And Fruehauf Trailer...
    $5.59
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    $5.59
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  • BESTfit Crewson Type Automatic Slack Adjuster 5.5 Inch Replaces CB25300, CB52336, E6990
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    BESTfit Crewson Type Automatic Slack Adjuster 5.5 Inch Replaces CB25300, CB52336, E6990

    BESTFIT TRUCK PARTS

    $89.75
    Crewson Type Automatic Slack Adjuster 1.25 -24 X 5.5 Inch Arm With Offset Clevis  - Slack Adjuster - Includes   - (2) Installation Gauges  - Bushings   - Clevis Kit - 1 1/4 Inch- 24 X 5 1/2 Inch Arm - Automatic -...
    $89.75
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    $89.75
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  • BESTfit Crewson Type Slack Adjuster 1-1/4 In-24 X 5.5 Inch Arm - Straight Clevis
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    BESTfit Crewson Type Slack Adjuster 1-1/4 In-24 X 5.5 Inch Arm - Straight Clevis

    BESTFIT TRUCK PARTS

    $89.75
    Crewson Type Slack Adjuster 5.5 Inch Arm With Straight Clevis  - Slack Adjuster - Includes  - Installation Gauge  - Bushings   - Clevis Kit - 1-1/4 Inch-24 X 5-1/2 Inch Arm - Automatic - Crewson Type - Made In...
    $89.75
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    $89.75
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