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 …

Shop for semi truck air fittings, hoses, and connectors to stop leaks, replace broken lines, rebuild a trailer air setup, and find quick-connect fittings with ease.

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 …

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

Turn heads and unleash performance with 5 inch semi-truck exhaust stacks. Shop bold, heavy-duty stacks engineered for airflow, durability, and standout style.

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 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 top-quality Semi-Truck Wheels and Tires, including hubcap covers, nut covers, simulators, and equalizers. Enhance your truck’s performance – shop now!

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, …

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 …