null
Shop by Make, Model & Year
Peterbilt Parts

Peterbilt Parts

Need some primo Peterbilt parts? Well, you just hit the jackpot. Here at 4 State Trucks, we're not messing around - we've got a treasure trove of both genuine and aftermarket Peterbilt parts and goodies that'll make your rig purr. Listen, we get it. Maybe you're babying your trusty workhorse, or perhaps you're shining up that show-stopper for the next big event. Either way, we've got your Peterbilt parts and your back. Our crew knows Petes inside and out, and they're itching to help you find that perfect part. Got a classic 379 that needs some love? We've got your parts. Rolling in a spanking new 579? No sweat, we've got those cutting-edge parts too.

Universal Parts

Peterbilt Parts

If you're looking to upgrade your Peterbilt truck, the best route you can take is to start investing in high-quality aftermarket parts. Whether you're driving the iconic Peterbilt 379 or a newer 567 or 579 model, we’ve got the parts to keep your big rig handling with precision and looking sharp. At 4 State Trucks, we know what matters to owner-operators and fleet managers alike. You need parts that can perform consistently - and a little style doesn’t hurt either. That’s why we carry one of the most trusted selections of aftermarket Peterbilt parts anywhere online. From under-the-hood performance parts to stylish polished chrome exterior parts, we've got you covered: Need more fuel storage capacity? Grab a Peterbilt fuel tank replacement and get back on the road fast. Want to customize your exterior? Add some luster with our long-drop chrome exhaust elbows and other chrome accessories. Reinventing your Pete truck's interior cab space? Refresh your ride with a full interior upholstery kit built for daily comfort. Every one of our Peterbilt replacement parts is designed for long hauls and the demands of the road. A more affordable alternative to traditional OEM Peterbilt parts, our selection doesn't skimp on real-world performance. We carry parts for: - Engine components (prevent your engine from overheating) - Suspension systems (for a smoother ride) - Fuel and air systems (avoid frequent, costly pit stops) - Semi-truck exhaust upgrades (stylish chrome stack tops) - Cab accessories and interior parts (unique upholstery and trim) And it’s not just about function. Our aftermarket parts let you customize your truck to match your personality. Because let's face it—your Peterbilt isn’t just any truck. It’s a reflection of your craft as a professional driver. So if you’re looking for the best in aftermarket Peterbilt truck parts, 4 State Trucks has your back.

Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!