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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Over 80 Inch Wide Submersible Combination Tail Light With License Light - Red LED / Red Lens
UNITED PACIFIC
$35.89Sonically Sealed Square LED Combination Tail Light * High Quality Combination Light* Made Of Polycarbonate* 80 Inch Wide* With License Light* (12) Red LED And 4 Red LED Side Marker * (4) White LED License Illuminator* Sonically Sealed To Housing To...$35.89 -
Over 80 Inch Wide Submersible Combination Tail Light W/O License Light - Red LED / Red Lens
UNITED PACIFIC
$29.77Sonically Sealed Square LED Combination Tail Light * High Quality Combination Light* Made Of Polycarbonate* 80 Inch Wide* With (12) Red LED And (4) Red LED Side Marker* Sonically Sealed To Housing To Prevent Moisture Intrusion* 3 Wires - White -Ground-...$29.77 -
Over 80 Inch Wide LED Submersible Combination Tail Light Kit - Red LED / Red Lens
UNITED PACIFIC
$74.86Sonically Sealed Square LED Combination Tail Light * High Quality Combination Light Kit* Kit Includes: - Light- Bracket Item Number 09-010600037 - Wires* Made Of Polycarbonate* 80 Inch Wide* (24) Red LED * (8) Red LED Side Marker * (4) White LED License...$74.86 -
20 LED 7 Inch Round Back-Up Light - Super Bright LED
UNITED PACIFIC
$26.997 Inch Round Back Up Light * High Quality Back-Up Light* 7 Inch* 20 LED * Round* Sold Individually* Warranty On Back-Up Lights Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** This...$26.99 -
On Sale
Trailer Hubcap Mounting Clip Set With 3/8 Inch Diameter Hole For 9.25 Inch Hubcaps - Pack Of 3
UNITED PACIFIC
Now: $2.21Was: $3.15Wheel Hubcap Mounting Hardware For 9.25 Inch Trailer HubcapsSecure your trailer hubcaps with our Hubcap Mounting Clip Set. This three-piece set is designed to keep your hubcaps firmly in place, ensuring they stay attached during travel. Each clip has...Now: $2.21Was: $3.15 -
18 LED Mid Trailer Turn Signal Light Kit W/ Grommet & Plug - Amber LED/ Amber Lens
UNITED PACIFIC
$23.45Amber LED Mid Trailer Turn Signal Light Kit With Amber Polycarbonate LensThe high-quality mid trailer turn signal light kit includes a light, grommet, and plug. The light features a polycarbonate construction and contains 18 amber LEDs with an amber lens...$23.45 -
Over 80 Inch Wide Rectangular Submersible Combination Tail Light W/O License Light
UNITED PACIFIC
$7.99High Impact Submersible Combination Rectangular Tail Light W/ Acrylic Lens * High Quality Tail Light* 80 Inch* Rectangular Submersible Combination* Without License Light* Designed With Acrylic Lens And High Impact Housing* Gaskets Create Air Pocket...$7.99 -
On Sale
Rubber Gasket For Hubcap Bracket
UNITED PACIFIC
Now: $0.26Was: $2.13Rubber Gasket For Hubcap Bracket Propar AxleEnsure a secure fit for your hubcap bracket with the Rubber Gasket designed specifically for the Propar Axle. Crafted from durable rubber, this gasket provides a reliable seal to prevent any unwanted movement...Now: $0.26Was: $2.13 -
Trailer Hubcap Bracket For Stemco
UNITED PACIFIC
$10.29Trailer Hubcap Mounting Bracket For StemcoThe Trailer Hub Cap Bracket is designed specifically for Stemco trailers, featuring 3/8 inch holes and measuring 6.75 inches center to center. Its outer diameter is 8.4375 inches with an inner diameter of 6...$10.29 -
Clip Set For Trailer Holds 8 Inch Cap - Set Of 3
UNITED PACIFIC
$5.19Clip Set For TrailerSecure your 8-inch hubcap with our clip set. Designed to hold the cap firmly in place, this aftermarket replacement part (not OEM) ensures a snug fit for your hubcap. Sold individually, it offers a convenient solution for maintaining...$5.19 -
BESTfit 69 Inch Long Landing Gear Shaft
BESTFIT TRUCK PARTS
$53.84BESTfit Replacement Landing Gear ShaftUpgrade your vehicle's gear shaft with our replacement option. This Gear Shaft, measuring 69 inches long, is designed to replace Holland Numbers LG00946900 and XAV1910. Sold individually, this aftermarket replacement...$53.84 -
BESTfit Air Bag W013589626 Rolling Lobe Style Air Spring With Plastic Base For Hendrickson Trailer Suspensions
BESTFIT TRUCK PARTS
$164.99BESTfit Rolling Lobe Style Air Spring With Plastic Base For Hendrickson Trailer SuspensionsUpgrade your suspension system with our Triple Rolling Lobe Air Bag, designed for Hendrickson INTRAAX AA230L Trailer Suspensions. With a robust load capacity of...$164.99