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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Torque Arm Bolt Kit For Reyco & Transpro Trailer 21 Series
AUTOMANN USA
$19.37Torque Arm Bolt Kit * High Quality Torque Arm Bolt Kit* Consists Of:- (1) Lock Nut- (1) Cap Screw - (2) U Bolt Washer* Sold Individually* Warranty On Torque Arm Bolt Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$19.37 -
Cotter Pin, 5/32 X 1-3/4 Inch For Trailer Lift
AUTOMANN USA
$1.01Cotter Pin Fastener * High Quality Cotter Pin* 5/32 Inch X 1-3/4 Inch* Sold Individually* Warranty On Cotter Pins Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** Cross Reference...$1.01 -
On Sale
Gabriel Fleetline Trailer Shock Absorber Replaces 65493, 70720
GABRIEL
Now: $52.12Was: $74.45Trailer Shock Absorber Fits Ridewell * High Quality Trailer Shock Absorber * Extended Length 17.80 Inch* Collapsed Length 12.04 Inch* Sold Individually* Warranty On Trailer Shock Absorbers Against Defects In Workmanship & Material From Date Of...Now: $52.12Was: $74.45 -
On Sale
Gabriel Fleetline Trailer Shock Absorber Replaces 65500
GABRIEL
Now: $51.40Was: $73.43Trailer Shock Absorber Fits Hendrickson & Reyco * High Quality Trailer Shock Absorber * Extended Length 17.46 Inch* Collapsed Length 11.69 Inch* Sold Individually* Warranty On Trailer Shock Absorbers Against Defects In Workmanship & Material From Date Of...Now: $51.40Was: $73.43 -
Premier Washer, 2 9/16 Inch ID For Watson & Chalin Trailer
AUTOMANN USA
$7.13Premier Washer * High Quality Washer* Dimensions: - 2 9/16 Inch ID- 4 3/8 Inch OD- 1/8 Inch Thickness* Sold Individually* Warranty On Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...$7.13 -
Pivot Bolt Kit W/ Pivot Bolts, Shackle Pins, 3/14 Inch U Bolt Washers, Lock Nuts
AUTOMANN USA
$91.79Pivot Bolt Kit * High Quality Pivot Bolt Kit* Consists Of - (4) Pivot Bolt- (4) Shackle Pin- (16) 3/4 Inch U Bolt Washer - (8) Lock Nut* Made In USA* Sold Individually* Warranty On Pivot Bolt Kits Against Defects In Workmanship & Material From Date Of...$91.79 -
Pivot Bolt Kit W/ Shackle Pins, 3/14 Inch U Bolt Washers, Lock Nuts
AUTOMANN USA
$55.07Pivot Bolt Kit * High Quality Pivot Bolt Kit* Consists Of - (8) Shackle Pin- (16) 3/14 Inch U Bolt Washer - (8) Lock Nut* Made In USA* Sold Individually* Warranty On Pivot Bolt Kits Against Defects In Workmanship & Material From Date Of Purchase*** High...$55.07 -
Pad Poly Hutch, 0.750 Inch Thick
AUTOMANN USA
$11.210.750 Inch Thick Pad Poly Hutch * High Quality Pad Poly Hutch* Dimensions:- 0.75 Inch Thickness- 5.094 Inch Length- 3 Inch Width* Sold Individually* Warranty On Pad Poly Hutches Against Defects In Workmanship & Material From Date Of Purchase*** High...$11.21 -
4 Inch Washer For Center Bearing Lock Nut
AUTOMANN USA
$3.054 Inch Washer, Replaces WAR211, 19894 * High Quality Washer* 2.75 Inch O.D.* 1.313 Inch I.D.* 0.15 Inch Thickness* Sold Individually* Warranty On Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$3.05 -
1-3/4 Inch Cap Screw 1/2 Inch -13 Thread
AUTOMANN USA
$1.011-3/4 Grade Cap Screw Bolt W/ Coarse Pitch * High Quality Cap Screw* 1/2 Inch Bolt Diameter* 1-3/4 Inch Bolt Length* Pitch- Coarse* Grade- 5* Sold Individually* Warranty On Cap Screws Against Defects In Workmanship & Material From Date Of Purchase***...$1.01 -
Equalizer Center Hex Bolt, 1-1/8 -7 X 6-5/8 Inch
AUTOMANN USA
$15.79Leach Hutch Equalizer Bolt Replaces E7533, 095900, R307533 * High Quality Equalizer Bolt Hutch* 1-1/8 Inch -7 X 6-5/8 Inch Lg* Sold Individually* Warranty On Equalizer Bolt Hutches Against Defects In Workmanship & Material From Date Of Purchase*** High...$15.79 -
Stepped Forged U-Bolt Kit, 7/8 X 6 X 7-1/4in For Hendrickson Turner Trailer
AUTOMANN USA
$55.46U Bolt Semi Round 7/8 x 6 x 7.125 Hendrickson * High Quality U-Bolt Kit* Includes - Pnf108 Nuts- Stepped Forged Hlm2 - Fm/ Lk* 7/8 Inch U-Bolt Diameter* 6.00 Inch Width* 7.125 Inch Length* U-Bolt Type- Flat Semi- Round Bend* Grade- 8* Made In USA* Sold...$55.46