Find reliable aftermarket upgrades and replacement components that are make-model specific, whether you need Kenwoth W900 truck parts or T680 replacement parts, we have your …

No matter your truck make or model, you’ll find trusted aftermarket options here. Keep your air brake system tight and your trailer air lines flowing freely with reliable parts that won’t let you …

Take all the guesswork out of tire pressure with a TPMS kit for your commercial truck. Get real-time PSI and temperature readings to address underinflation or overinflation issues before …

Shop our clearance sale at 4 State Trucks for unparalleled savings on essential semi-truck parts! It's the perfect opportunity for truck owners to upgrade or maintain their fleet while saving.

Browse through half-tandem truck fenders with various widths and gauge thicknesses, finishes, and style designs to perfectly customize your Class 8 truck. Filter for your make/model, …

From classic air horn kits to semi truck electric wiring or air line hose tubing for train horns and custom multi-tone setups, 4 State Trucks has everything you need to make your rig impossible …

Most of our semi truck cab lights are made for universal fitment. That means they work with just about any Class 8 truck—Freightliner, Kenworth, Peterbilt, Western Star, and more.

Find a range of semi truck bumpers and accessories at 4 State Trucks. From sleek bumper bolts and handy guides to stylish center rear light bars and sturdy rear T bumpers, we have …

From fleet workhorses to fully customized show trucks, we’ve got the truck lighting you need to elevate your Volvo. 4 State Trucks is the trusted source for quality lighting parts that blend …

Spruce up your truck's look with our semi-truck exterior parts! Whether it's grills, mud flap hangers, hood ornaments, or cool LED lighting, we've got all you need to give your rig a …