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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Cap Screw 7/8 Inch x 5 1/2 Inch
AUTOMANN USA
$6.16Cap Screw Replaces H88755, E901, SA10002 * High Quality Cap Screw* T-Rod/Axle Seat* Multiple Reyco Models* Sold Individually * Warranty On Cap Screws Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...$6.16 -
7 Gauge Clipped Washer, 3-17/32 ID X 5-1/4 OD For Hutch
AUTOMANN USA
$4.07Hutch Clipped Washer For 3-1/2in Trunnion Shaft on H11455 Series Replaces 1145200 * High Quality Clipped Washer Hutch* 0.175 Inch Thickness * 3-17/32 Inch ID* 5-1/4 Inch OD* Sold Individually * Warranty On Clipped Washer Hutches Against Defects In...$4.07 -
Control Arm Bolt Hardware Kit - E-13903, KIT11302 For Meritor MA6345
AUTOMANN USA
$118.99Control Arm Bolt Kit W/ Lock Nut, Insulator Bolt, U-Bolt Washer, Alignment Washer, Thrust Washer * High Quality Hardware Kit* Consists Of - (4) Lock Nut- (4) Insulator Bolt- (8) U-Bolt Washer- (2) Alignment Washer - (8) Thrust Washer* Made In USA* Sold...$118.99 -
Shock Hardware Kit - KIT11200 For Meritor RFS30T
AUTOMANN USA
$13.25Shock Hardware Kit W/ (4)7/8 Inch Iron Flat Washer, (2) 7/8 Inch U-Bolt Washer, (1) 7/8 Inch Lock Nut * High Quality Shock Hardware Kit* Consists Of - (4) Iron Flat Washer 7/8 Inch- (2) U-Bolt Washer 7/8 Inch - (1) Lock Nut 7/8 Inch* Sold Individually *...$13.25 -
Air Spring Kit - Kit11203 For Meritor
AUTOMANN USA
$7.13Air Spring Kit W/ 3/4 Inch Lock Nut, 1/2 Inch Lock Nut, Hex Plug Replaces Kit11203 * High Quality Air Spring Kit* Consists Of - (2) Lock Nut 3/4 Inch- (2) Lock Nut 1/2 Inch - (1) Hex Plug* Sold Individually * Warranty On Air Spring Kits Against Defects...$7.13 -
Pivot Bolt Kit - Kit11202 For Meritor
AUTOMANN USA
$16.31Pivot Bolt Kit Replaces Kit11202This Pivot Bolt Kit contains one 7/8-inch insulator bolt, one 7/8-inch ID U-bolt washer, and one 7/8-inch-9 lock nut. It is compatible with Meritor trailer models MTA23T, MTA25L, MTA25T, MTA30L, MTA30T, and Meritor trailer...$16.31 -
6.625 Inch Equalizer Bolt W/ 5/8 Inch-18 Threads For Trailmobile 3-1/2 Inch Wide Spring
AUTOMANN USA
$9.17Standard Fabricated Equalizer Replaces E3392, R303392, 50B1T34 * High Quality Equalizer Bolt* 6.625 Inch Length* 3-1/2 Inch Width* Threads- 5/8 Inch-18* Sold Individually * Warranty On Equalizer Bolts Against Defects In Workmanship & Material From Date...$9.17 -
6 Inch Equalizer Hutch Bolt W/ 5/8 Inch-18 Threads - 701601
AUTOMANN USA
$3.746 Inch Equalizer Hutch Bolt W/ 5/8 Inch-18 Threads Replaces E2000, 701601, R302000, C71114B, 072500, 072520, 725500 * High Quality Equalizer Bolt* 6.00 Inch Length* 5/8 Inch-18 Threads* Sold Individually * Warranty On Equalizer Bolt S Against Defects In...$3.74 -
Strap Hardware Kit - SL2095, STL2096 For Watson & Chalin
AUTOMANN USA
$45.89Strap Hardware Kit Replaces SL2095, STL2096The Hardware Kit, designed for use on Watson and Chalin trailer lift systems STL2095 and STL2096, includes four Celvis Pins, four Nylon Bushings, and four Cotter Pins. It is cross-referenced with numbers...$45.89 -
Strap Hardware Kit - STL2095, STL2096 For Watson & Chalin
AUTOMANN USA
$30.59Strap Hardware Kit With Celvis Pin & Cotter PinUse this strap hardware kit to enhance your Watson and Chalin trailer lift. Suitable for TL1300, TL2200, STL2200 AUX, STL2095, STL2096, TL9100, and TL9200 models, the kit includes 4 clevis and 4 cotter pins...$30.59 -
Air Bag Hardware Kit - 16060 For Watson & Chalin
AUTOMANN USA
$12.23Air Bag Bolt Kit With 3/4 Inch Lock Washer, 1/2 Inch Lock Washer, 3/4 Inch Jam Nut, and 1/2 Inch Hex Nut - 16060This kit is used for Watson and Chalin trailer lift systems STL2095, STL2096, TL9100, and TL9200. It is cross-referenced with number 16060 for...$12.23 -
Air Bag Bolt Kit - 1606101 For Watson & Chalin
AUTOMANN USA
$7.13Watson & Chalin Air Bag Bolt KitThe Air Bag Bolt Kit includes two 3/4-inch jam nuts, two 1/2-inch lock washers, six cap screws, six 3/8-inch lock washers, and six 3/8-inch iron flat washers. It is designed for use on Watson and Chalin trailer lift...$7.13