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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  • Flanged Lock Nut 7/8 Inch -14 TPI
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    Flanged Lock Nut 7/8 Inch -14 TPI

    AUTOMANN USA

    $2.47
    Flanged Lock Nut Replaces PP001236, E9607 * High Quality Flanged Lock Nut* Height- 0.77 Inch* A/F- 1.28 Inch* Threads 7/8 Inch -14 TPI* Sold Individually* Warranty On Flanged Lock Nuts Against Defects In Workmanship & Material From Date Of Purchase***...
    $2.47
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  • Pivot Bushing & Sleeve - 010118, 010041 For Hendrickson Turner Lift Axle
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    Pivot Bushing & Sleeve - 010118, 010041 For Hendrickson Turner Lift Axle

    AUTOMANN USA

    $32.52
    Pivot Axle Connect Bushing & Sleeve Replaces 010118, 010041 * High Quality Bushing And Sleeve* Consists Of - (2) Pivot Axle Connect Bush - (1) Sleeve* Sold Individually * Warranty On Bushing And Sleeves Against Defects In Workmanship & Material From...
    $32.52
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  • Hardware Mounting Kit For Spare Tire Basket Type Carrier
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    Hardware Mounting Kit For Spare Tire Basket Type Carrier

    AUTOMANN USA

    $34.09
    Mounting Kit Bracket Kit For TC4 Spare Tire Carrier The High Quality Tire Carrier Mounting Hardware Kit is designed specifically for securely mounting a spare tire basket type carrier. It provides a reliable and easy solution for attaching the spare tire...
    $34.09
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  • BESTfit 2 Inch Wide Stainless Steel Fuel Tank Strap For Reefer Trailer With 22 Inch Tanks
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    BESTfit 2 Inch Wide Stainless Steel Fuel Tank Strap For Reefer Trailer With 22 Inch Tanks

    BESTFIT TRUCK PARTS

    $47.29
    BESTfit 2 Inch Fuel Tank Strap Stainless Steel Fits 22 Inch Fuel Tank For Reefer Trailers Secure your fuel tank with this BESTfit replacement strap. Made of stainless steel, it is designed to withstand daily exposure to severe road and weather conditions...
    $47.29
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  • BESTfit Black Steel Fuel Tank Mounting Bracket For Reefer Trailer With 19 Or 22 Inch Tanks
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    BESTfit Black Steel Fuel Tank Mounting Bracket For Reefer Trailer With 19 Or 22 Inch Tanks

    BESTFIT TRUCK PARTS

    $68.29
    BESTfit Fuel Tank Mounting Bracket For Reefer Trailer With 19 Or 22 Inch Tanks Mount your 19 inch or 22 inch diameter trailer reefer fuel tank with this black painted steel top bracket. It is designed to help secure the fuel tank , ensuring stability and...
    $68.29
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  • BESTfit 18.5 To 21.375 Inch Adjustable Torque Arm For Trailer BESTfit 18.5 To 21.375 Inch Adjustable Torque Arm For Trailer
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    BESTfit 18.5 To 21.375 Inch Adjustable Torque Arm For Trailer

    BESTFIT TRUCK PARTS

    $48.96
    BESTfit Torque Arm AdjustableUpgrade your torque arm with our adjustable Torque Arm Hutch! Designed to fit shaft diameters of 1 1/2 inches, this hutch offers a range of 18 1/2 to 21 3/8 inches for optimal customization. It comes with two bushings...
    $48.96
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  • BESTfit Pivot Connection Beam End Kit - SRK01 For Watson & Chalin
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    BESTfit Pivot Connection Beam End Kit - SRK01 For Watson & Chalin

    BESTFIT TRUCK PARTS

    $161.99
    BESTfit Pivot Connection Beam End Kit Replaces SRK01The Beam End Kit is equipped to work with Watson and Chalin lifts and trailers, comprising of 2 pivot bushings, 2 cap screws, 4 washers, 2 lock nuts, and 4 U bolt washers. It's built for compatibility...
    $161.99
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  • BESTfit Bracket For Level Valve For Hendrickson BESTfit Bracket For Level Valve For Hendrickson
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    BESTfit Bracket For Level Valve For Hendrickson

    BESTFIT TRUCK PARTS

    $4.07
    BESTfit Bracket For LevelUpgrade your vehicle's suspension with our quality bracket designed for Hendrickson systems. This aftermarket replacement part replaces OEM numbers C-22477, HENC22477, and more. Sold individually, this bracket ensures a secure...
    $4.07
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  • BESTfit Air Bag W013588027 Triple Convoluted Air Spring For HiSteer/Silent Drive Lift Suspensions BESTfit Air Bag W013588027 Triple Convoluted Air Spring For HiSteer/Silent Drive Lift Suspensions
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    BESTfit Air Bag W013588027 Triple Convoluted Air Spring For HiSteer/Silent Drive Lift Suspensions

    BESTFIT TRUCK PARTS

    $164.99
    BESTfit Triple Convoluted Air Spring For HiSteer/Silent Drive Lift SuspensionsEnhance your suspension system with our Triple Convoluted Air Bag, designed for HiSteer/Silent Drive Lift Suspensions. With a robust load capacity of 5130 lbs at 80 PSI and...
    $164.99
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  • BESTfit 2 Inch Wide Stainless Steel Fuel Tank Strap For Trailer With 19 Inch Tanks
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    BESTfit 2 Inch Wide Stainless Steel Fuel Tank Strap For Trailer With 19 Inch Tanks

    BESTFIT TRUCK PARTS

    $44.16
    BESTfit 2 Inch Fuel Tank Strap Stainless Steel Fits 19 Inch Fuel Tank For Reefer Trailers Secure your fuel tank with this BESTfit replacement strap. Made of stainless steel, it is designed to withstand daily exposure to severe road and weather conditions...
    $44.16
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  • BESTfit 2 Inch Stainless Steel Fuel Tank Strap & Liner Kit For 19 Inch Reefer Tanks
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    BESTfit 2 Inch Stainless Steel Fuel Tank Strap & Liner Kit For 19 Inch Reefer Tanks

    BESTFIT TRUCK PARTS

    $70.17
    BESTfit 2 Inch Stainless Steel Fuel Tank Strap & Liner Kit For 19 Inch Reefer Tanks Secure Your Fuel Tank With This BESTfit Replacement Strap. Made Of Stainless Steel, It Is Designed To Withstand Daily Exposure To Severe Road And Weather Conditions...
    $70.17
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  • On Sale
    Wheel Bearing Set Wit Cup & Cone
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    Wheel Bearing Set Wit Cup & Cone

    BESTFIT TRUCK PARTS

    Now: $18.40
    Was: $41.81
    Bearing Set HM218210 Cup and HM218248 Cone * High Quality Wheel Bearing Set* Bore Diameter: 3.543"* Cup O.D.: 5.787"* Set Width: 1.575"* Includes:* (1) Wheel Bearing Cone- 182.HM218248* (1) Wheel Bearing Cup - 182.HM218210* Made of hardened steel* Low...
    Now: $18.40
    Was: $41.81
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    Now: $18.40
    Was: $41.81
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