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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BESTfit Rolling Lobe Style Air Spring W/ Aluminum Base For Hendrickson Trailer HL-015
BESTFIT TRUCK PARTS
$173.99BESTfit Air Bag Fits Hendrickson TrailerIntroducing our Air Bag, compatible with Hendrickson Aux HL-015, Tuthill-Reyco, and Watson Chalin TA-300 and TA-5000 systems. This aftermarket replacement part replaces OEM numbers 1R14-039, 1R14-055, 1R14-083,...$173.99 -
BESTfit Air Spring Rolling Lobe W/ Plastic Base For Hendrickson Trailer
BESTFIT TRUCK PARTS
$143.99BESTfit Air Bag Fits Hendrickson TrailerIntroducing our Air Bag, a reliable aftermarket replacement part designed to replace OEM numbers S21800, W01-358-8709, W01-358-8751, W01-455-8709, 1R13-159, and 1010.5-15P480. Each air bag is sold individually,...$143.99 -
BESTfit Aerodynamic Tandem Wedge Skirt Kit
BESTFIT TRUCK PARTS
$920.99BESTfit Tandem Wedge Skirt Kit AerodynamicMeet our Tandem Wedge Skirt Kit, a great way to make your trailer more aerodynamic! It comes with panels for both sides, along with stanchions and mounting hardware. Easy to install on 48 or 53-foot trailers,...$920.99 -
BESTfit Air Bag W013588032 Triple Convoluted Air Spring For Watson/Chalin Suspensions
BESTFIT TRUCK PARTS
$453.99BESTfit Triple Convoluted Air Spring For Watson & Chalin SuspensionsIntroducing our Aftermarket Replacement Air Bag, meticulously engineered to provide reliable performance and durability. With dimensions of 12 inches in height and 9 inches for both the...$453.99 -
TPHD 18.5 Inch Black Dolly Handle, Horizontal Mounting Style
TPHD
$19.26Horizontal Style 18.5 Inch Dolly Handle W/ 13 Inch DropIntroducing our black Dolly Handle, designed for durability and ease of use. With an overall length of 18.5 inches and a 13-inch drop, this handle offers comfortable handling and control. It features...$19.26 -
TPHD Stainless Steel Dolly Handle For Landing Gear W/ 21 Inch Shaft
TPHD
$180.9917 Inch SS Dolly Handle For Landing GearUpgrade your landing gear with our durable Dolly Handle, meticulously crafted from 304 stainless steel. Specifically designed for landing gear equipped with a 21-inch shaft, this handle ensures a perfect fit and...$180.99 -
TPHD Stainless Steel Dolly Handle For Landing Gear W/ 17 Inch Shaft
TPHD
$167.9917 Inch SS Dolly Handle For Landing GearEnhance your landing gear with our robust Dolly Handle, constructed from premium 304 stainless steel. Tailored for landing gear with a 17-inch shaft, it ensures compatibility and durability. Sold individually, it's...$167.99 -
TPHD Stainless Steel Dolly Handle For Landing Gear W/ 14 Inch Shaft
TPHD
$163.9914 Inch SS Dolly Handle For Landing GearUpgrade your landing gear with our durable Dolly Handle, crafted from 304 stainless steel. Specifically designed for landing gear with a 14-inch shaft, this handle ensures ease of use and longevity. Sold...$163.99 -
TPHD Stainless Steel Dolly Handle For Landing Gear W/ 10 Inch Shaft
TPHD
$142.9910 Inch SS Dolly Handle For Landing GearEnhance the landing gear with our stainless steel Dolly Handle, specifically designed for models featuring a 10-inch shaft. Each handle is sold individually, ensuring you get the exact quantity you need. As an...$142.99 -
TPHD Bolted Linkage Kit For Level Valve
TPHD
$27.28Linkage Kit For Level Valve BoltedEnhance your vehicle's performance with our top-quality linkage kit, designed to replace OEM numbers A-14187, 42635, and more. Sold individually as an aftermarket replacement part, this kit ensures smooth operation and...$27.28 -
TPHD 5/8 Inch Clevis With Pin For Brake Chamber Using Standard Slack Adjusters
TPHD
$5.59Brake Chamber Clevis Kit 5/8 Inch - 18 TPI With Single PinUpgrade your brake chamber setup with our Clevis Kit! Specifically designed for use without auto slack adjusters, this kit features a 0.625-18 inch threaded clevis yoke, along with a 0.500 inch...$5.59 -
TPHD 5/8 Inch Clevis With Pin For Brake Chamber Using Auto Slack Adjusters
TPHD
$15.58Brake Chamber Clevis Kit 5/8 Inch - 18 TPI With 2 PinsUpgrade your brake system with our Clevis Kit, specially designed for brake chambers used with auto slack adjusters. Featuring a durable construction and precise specifications, this kit includes a...$15.58