Peterbilt Frame & Chassis

Strengthen your big rig's foundation with 4 State Trucks' premium Peterbilt semi truck frame and chassis components. Trust 4 State Trucks for top-quality Peterbilt frame and chassis parts that enhance stability and longevity, ensuring your semi handles every load with confidence. Whether you're looking for essential replacements or heavy-duty upgrades, our components keep your Peterbilt semi truck's frame solid, making each haul safer and more reliable. From sturdy frame rails to advanced air ride systems, our frame and chassis parts combine strength and flexibility to keep your Peterbilt performing at its best on any terrain.