Frame & Chassis

BESTfit 18.8 x 12.6 Inch Air Spring With Load 5700 LBs At 80 PSIThis BESTfit air spring with a plastic base replaces 03-01649 for Peterbilt Air Leaf & Air Trac Suspensions. It delivers impressive performance while being economical. It meets OEM...

BESTfit Spring Bushing Kit Fits Peterbilt Airleaf ModelsThe BESTfit Spring Poly Bushing Kit offers a durable and reliable solution for replacing worn-out spring bushings on heavy-duty trucks. Made from high-quality polyurethane, these bushings provide...

BESTfit U-Bolt Kit Includes Washers & NutsThe BestFit 3/4 x 4 x 8.875 Inch Square U-Bolt Kit is a heavy-duty replacement designed to secure leaf springs and suspension components with precision and strength. Engineered for durability and corrosion...

BESTfit U Bolt Kit - Replaces 15983092, 15983095, 15983097, 453895C1, 465916C1, 465916C91 & 201375100The BestFit U-Bolt Kit, measuring 3/4 x 4 x 10.25 inches, provides the strength and stability required for heavy-duty truck suspension systems. Made from...

BESTfit Rear Of Front Shackle Hanger* High Quality Shackle Hanger* Made Of Steel* Rear Of Front* Driver And Passenger Side* Threaded Bushing Included  - 4.02 Inch Length  - 1.75 Inch Diameter  - 1.32 Inch - 0.16 Inch (M33.5-4) Thread*...

BESTfit Spring Hanger For 4 Inch Spring Fits Peterbilt 379The BestFit 6.25 Inch Aluminum Rear Steer Spring Hanger is a premium replacement part designed for 4-inch springs, offering superior strength and lightweight durability. Engineered to replace part...

BESTfit Aluminum Cast #B11-1033 Fits Peterbilt COE & Conventional 1982-Current* High Quality Shackle Hanger* Made Of Aluminum* Rear Of Front* Driver And Passenger Side* Silent Block Included  - 4.250 Inch Overall Length  - 1.750 Inch Outer...

BESTfit 6.3125 Inch Center To Center Silent Block PinDesigned to fit M1813 hangers perfectly, the BestFit 1.75 OD x 7.5 Inch OAL Silent Block Pin provides excellent vibration damping and noise reduction for truck suspension systems. Its robust...

BESTfit 1.25 X 6.859 Inch Shackle PinThe BestFit Spring Pin with Double Lock offers superior strength and secure fastening for heavy-duty truck applications. Designed to prevent accidental loosening, this spring pin features a reliable double-lock...

BESTfit 5.4375 Inch Center To Center Silent Block PinThe BESTFit Silent Block Pin measures 1.75 inches in diameter with a 6.6882-inch overall length, making it a perfect replacement for 52375 and B65-6005 parts. Its silent block construction efficiently...

BESTfit 4 Inch Center To Center Side Bar With 1 Inch Pin Hole Fits Peterbilt COE & Conventional 1982-CurrentThe BESTFit 6.32-inch overall length steel side bar, with a width of 1.9 inches, is a heavy-duty replacement designed to provide superior support...

BESTfit Steel Cast #B11-1033 Fits Peterbilt COE & Conventional 1982-Current* High Quality Shackle Hanger* Made Of Steel* Rear Of Front* Driver And Passenger Side* Hanger Dimensions:  - 4.0 Inch Spring  - 6.00 Inch Bolt C To C Height  - 3...