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
AUTOMANN USA
$2.47Flanged 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***...$2.47Qty in Cart: 0Quantity:Price:$2.47Subtotal: -
Pivot Bushing & Sleeve - 010118, 010041 For Hendrickson Turner Lift Axle
AUTOMANN USA
$32.52Pivot 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 Date...$32.52Qty in Cart: 0Quantity:Price:$32.52Subtotal: -
Hardware Mounting Kit For Spare Tire Basket Type Carrier
AFTERMARKET
$34.09Mounting Kit Bracket Kit For TC4 Spare Tire CarrierThe 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...$34.09Qty in Cart: 0Quantity:Price:$34.09Subtotal: -
BESTfit Black Steel Fuel Tank Mounting Bracket For Reefer Trailer With 19 Or 22 Inch Tanks
BESTFIT TRUCK PARTS
$68.29BESTfit Fuel Tank Mounting Bracket For Reefer Trailer With 19 Or 22 Inch TanksMount 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...$68.29Qty in Cart: 0Quantity:Price:$68.29Subtotal: -
BESTfit 18.5 To 21.375 Inch Adjustable Torque Arm For Trailer
BESTFIT TRUCK PARTS
$48.96BESTfit 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...$48.96Qty in Cart: 0Quantity:Price:$48.96Subtotal: -
BESTfit Pivot Connection Beam End Kit - SRK01 For Watson & Chalin
BESTFIT TRUCK PARTS
$161.99BESTfit 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...$161.99Qty in Cart: 0Quantity:Price:$161.99Subtotal: -
BESTfit Aerodynamic Trailer Skirt W/ I-Beam Mounting Kit For 48 Or 53 Foot Trailers
BESTFIT TRUCK PARTS
$799.99BESTfit Aerodynamic Trailer Skirt W/ I-Beam Mounting KitUpgrade your trailer's aerodynamics with our innovative Trailer Skirts. Crafted from durable no-break polypropylene sheets, these skirts feature a bounce-back design that ensures resilience against...$799.99Qty in Cart: 0Quantity:Price:$799.99Subtotal: -
BESTfit Bracket For Level Valve For Hendrickson
BESTFIT TRUCK PARTS
$4.07BESTfit 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...$4.07Qty in Cart: 0Quantity:Price:$4.07Subtotal: -
BESTfit Air Bag W013588027 Triple Convoluted Air Spring For HiSteer/Silent Drive Lift Suspensions
BESTFIT TRUCK PARTS
$164.99BESTfit 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...$164.99Qty in Cart: 0Quantity:Price:$164.99Subtotal: -
On Sale
Wheel Bearing Set Wit Cup & Cone
BESTFIT TRUCK PARTS
Now: $18.40Was: $41.81Bearing 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: $18.40Was: $41.81Qty in Cart: 0Quantity:Price:Now: $18.40Was: $41.81Subtotal: -
1 Inch Steel Door Roller
AUTOMANN USA
$4.07Door Roller * High Quality Door Roller* 1 Inch* Replaces OEM # D291000, 28556, 700995, 1190653, 6300306, 10007910, 10010932, 10011829, 10027723, 10031036, 20655674, 20950005, 72002040, 72004028, 700-99-5, GT1402, GT-1402, IMIMXGT-1402, IMXGT1402,...$4.07Qty in Cart: 0Quantity:Price:$4.07Subtotal: -
Axle Spindle Nut Kit - E2237, R002237 For One Wheel End
AUTOMANN USA
$16.31Axle Spindle Nut Kit * High Quality Spindle Nut Kit* Consists Of - (1) Washer- (1) 3.813 Inch A/F Spindle Nut- (1) Spindle Lock Washer- (1) 3.25 Inch A/F Spindle Nut* Sold Individually* Warranty On Spindle Nut Kits Against Defects In Workmanship &...$16.31Qty in Cart: 0Quantity:Price:$16.31Subtotal: