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 …

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.

Your semi truck’s exhaust system does more than just move fumes out of the engine—it plays a huge role in performance, emissions control, and style. That’s why we carry a massive selection of heavy …

If you’re looking to enhance your International truck, you’ve come to the right place. At 4 State Trucks, we offer a vast selection of parts for everything from the classic 9900 semi to the latest LT Series.

Ready to shop for our newest semi truck product inventory to date? Check out our new semi truck products and tools!

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 …

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 to ignore.

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.

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 …

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 safety, durability, …