Peterbilt 388 Frame & Chassis

BESTfit Shock Absorber Fits PeterbiltUpgrade your Peterbilt New Style Low Air Leaf Suspensions with the Gabriel Fleetline Shock Absorber. It's made to help your truck work better. This part is tough and strong, with a 1.625-inch hole and a 10.34-inch...

BESTfit Sealed Torque Rod Fits PeterbiltThis forged torque rod is specifically designed for Peterbilt Air Trac suspension systems, ensuring sturdy performance. With a length of 17.340 inches center to center and bolt spacing of 4.375 inches center to...

BESTfit U Bolt Kit Semi RoundUpgrade your suspension system with our U-bolt kit, perfect for Peterbilt Air Trac and Air Leaf suspensions. This kit comes complete with washers and hi-nuts for easy installation. Each kit includes two U-bolts and washers...

BESTfit Forged HD Torque Rod Fits PeterbiltEnhance your suspension system with our sealed forged torque rod, designed for Peterbilt Air Trac and Air Leaf suspensions. Featuring a length of 22.810 inches center-to-center and bolt spacing of 4.375 inches...

BESTfit Forged Torque Rod Fits PeterbiltUpgrade your suspension system with our forged torque rod, compatible with Peterbilt Air Trac and Air Leaf suspensions. With a length of 22.875 inches center-to-center and bolt spacing of 4.375 inches...

BESTfit Side Bar Fits Peterbilt Steer Axle Spring ShackleEnhance your vehicle's suspension system with our aftermarket replacement part. Specifically designed for the rear of the steer axle spring, this spring shackle side bar ensures optimal performance...

BESTfit Shock Absorber Fits PeterbiltEnhance your ride with our shock absorber, designed for superior performance and durability. With a 1.625-inch bore and 9.160-inch stroke, this shock absorber provides reliable support for your vehicle. Its 14.79-inch...

BESTfit Peterbilt Wear Plate With 5/8 Inch MountingEnhance the performance and longevity of your Air Trac Suspension with our Wear Plate. Featuring a 5/8-inch mounting design, this plate comes complete with one wear pad and all necessary mounting...

BESTfit Spring Eye Bushing Fits Peterbilt Air Leaf SuspensionsEnsure smooth operation and stability for your air leaf models with our Eye Bushing kit. Each kit includes essential components like a spring eye sleeve, compression washers, a lock nut,...

BESTfit Spring Pin Double Lock Fits Peterbilt & KenworthOur double lock, designed to fit 4-inch springs, offers enhanced security and durability for your vehicle's suspension system. With precise measurements of 8.859 inches, including lock notches at 5...

BESTfit Double Convoluted Air Spring For Ridewell, Watson & Chalin SuspensionsIntroducing our Double Convoluted Air Spring, designed to meet your suspension needs with precision and reliability. Crafted with quality materials, this air bag boasts...

BESTfit Suspension Leveling ValveGet your air ride suspension system back in top shape with our Air Leveling Valve, designed specifically for air ride suspensions. This Barksdale Type Height Control Valve is sold individually as an aftermarket...