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 …

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

Find top-quality Mack truck parts at 4 State Trucks. Upgrade your rig with OE replacements and aftermarket solutions to ensure peak performance and durability. From bumpers and engine parts to …

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 …

Shop heavy-duty semi truck front bumpers built for strength, style, and road protection. Find chrome and steel bumpers designed to fit Class 8 trucks and stand out.

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 …

Check out the best semi truck air horns over at 4 State Trucks. Whether you're into powerful train horns or sleek dual-tone options, we've got you covered for loud, reliable performance.

Will a CSM bumper fit my specific truck model and year? CSM bumpers are designed for specific truck models and years. Most commonly, they fit Peterbilt 379 (1987-2007), Peterbilt 389 (2008-present), …

Shop premium semi truck parts built for performance, durability, and style. From essential replacements to custom upgrades, keep your rig road-ready.

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