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.

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 …

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 …

Feb 24, 2025 · Read this ultimate guide to aftermarket semi-truck seats to find the best seating options you can.

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, …

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 premium semi truck lug nut covers to stylize your wheels. Choose chrome, black, or custom finishes in push-on or thread-on styles. Order online today for fast shipping and unbeatable durability.

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 personal touch.

High Quality Diecast Semi Truck * Truck Cab Only * 1:32 Scale * Inner 4 Inch * Outer 12 Inch * 2.4 Cubic Foot * When Ordering This Product You Will Receive Either The Gray or Red Truck * Peterbilt …