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 make/model-specific …

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 down.

At 4 State Trucks, you can upgrade the style of your rig with semi truck rear fenders. We offer a range of options from top brands like Hogebuilt, Merritt, and Minimizer, as well as budget-friendly choices …

We provide a comprehensive range of semi truck bumpers that are crafted from semi aluminum materials, robust steel, and eye-catching chrome, tailored for popular models like the Freightliner …

4 State Trucks carries the best new semi truck parts for Peterbilt, Kenworth, Freightliner, International, and more.

That’s why we offer some of the best semi truck seats and accessories in the industry—built for comfort, durability, and long-haul performance. Whether you drive a Peterbilt, Kenworth, Freightliner, or …

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.

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.

We've got you covered with a great selection of semi-truck lighting products. Whether you need back-up lights, marker clearance lights, or even warning strobes, 4 State Trucks has you set.

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 they cause problems.