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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16.5 x 7 Inch Unlined Brake Shoe - Replaces E12665, E12665BK For Meritor Q Plus Double Web
AUTOMANN USA
$29.63Durable unlined brake shoe for heavy-duty braking systemsThis 16.5 x 7 inch unlined brake shoe is designed for high-performance applications in trucks and heavy equipment. Built to withstand rigorous use, it provides reliable braking power without...$29.63 -
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: $41.81 -
10 Hole Trailer Pilot Hub Assembly With Races And Studs
AUTOMANN USA
$232.99Trailer Hub With Studs And Races For Hub Pilot Applications * High Quality Cast Trailer Hub * Hub Includes:- Inner Race - HM218210- Outer Race - HM212011- Includes ABS Tone Ring- Wheel Studs Included For Dual Aluminum Wheel Application* Body Type - Cast*...$232.99 -
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,...$4.07 -
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 &...$16.31 -
Wheel Seal 3.5 Inches
AFTERMARKET
$21.82Wheel Seal * High quality wheel seal* 3.5 inch seal* Type: Trailer Axle* Inner diameter: 3.5 inches* Outer diameter: 4.84 inches* Width: .91 inches* Sold Individually* Warranty on wheel seal against defects in workmanship & material from date of...$21.82 -
On Sale
Wheel Seal 4.25 Inches
AFTERMARKET
Now: $3.25Was: $21.69Wheel Seal * High quality WHEEL SEAL* 4.25 inch seal* Type: Trailer Axle* Inner diameter: 4.25 inches* Outer diameter: 6.02 inches* Width: 1 inch* Sold Individually* Warranty on wheel seal against defects in workmanship & material from date of...Now: $3.25Was: $21.69 -
Spring Equalizer Hex Bolt 1.0in -14 x 6-1/2 Inch Grade 8 For Chevrolet, GM
AUTOMANN USA
$11.21Grade 8 Hex Spring Bolt W/ Fine Pitch Replaces FSP00503028, 3822130, 70002002, And ST1004 * High Quality Spring Bolt * Dimensions:- 1 Inch Bolt Diameter- 6-1/2 Inch Bolt Length* Bolt Type- Hex Bolts* Thread- 14* Fine- Pitch* Grade-8* Sold Individually *...$11.21 -
Flange Bolt 5/16 - 18 X 1/2 Inch Grade 8
AUTOMANN USA
$1.01Grade 8 Flange Bolt Replaces 3512558C1, W300602 * High Quality Flange Bolt* 5/16 Inch X 1/2 Inch * Sold Individually * Warranty On Flange Bolts Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...$1.01 -
Hex Head Flange Bolt 5/8-18 X 1-1/2 Inch Grade 8
AUTOMANN USA
$2.03Grade 8 Hex Head Flange Bolt W/ Fine Pitch Replaces 23-11015-150 And 414076C1 * High Quality Flange Bolt* Dimensions:- 5/8 Inch Bolt Diameter- 1-1/2 Inch Bolt Length* Bolt Type- Flanged Bolt* Thread- 18* Pitch- Fine* Grade- 8* Sold Individually *...$2.03 -
Cotter Pin 3/16 X 2 Inch - SA17001
AUTOMANN USA
$1.863/16 X 3 Inch Cotter Pin Replaces SA17001,1481R1, 19492, 1436990103412 * High Quality Cotter Pin* 3/16 Inch X 2 Inch* Sold Individually* Warranty On Cotter Pins Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$1.86 -
Poly Bushing 0.75 ID X 1.25 OD X 0.96 Inch - E-8684, R308684
AUTOMANN USA
$11.21Poly Bushing Replaces E-8684, R308684 * High Quality Bushing* Poly* Dimensions:- 0.96 Inch Length- 1.25 Inch O.D.- 0.75 Inch I.D.* Sold Individually * Warranty On Bushings Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$11.21