Frame & Chassis

BESTfit Flex Air Suspension U Bolt KitThe BESTfit 0.875 x 5.125 x 13.5 Inch U-Bolt Kit is a heavy-duty replacement designed to provide secure fastening for truck suspension systems. Engineered with durable materials, this U-bolt kit offers superior...

BESTfit Torque Rod Fits Peterbilt & Kenworth Flex Air SuspensionThe BESTfit 23.75 Inch C-C Torque Rod is a high-quality replacement designed to fit OEM parts C65-6000-001 and C65-6011-001, providing superior suspension control for heavy-duty trucks...

BESTfit Semi-Round U-Bolt Kit For Peterbilt Low Air Leaf SuspensionThe BESTfit 1 x 3.5 x 15.5 Inch Semi-Round U-Bolt Kit is a durable and reliable replacement designed to fit OEM part 03-05110-155. Engineered for heavy-duty truck suspension systems, this...

BESTfit 0.09375 Inch Thick Adjustment ShimThe BESTfit 3/32 x 1.25 x 3.75 Inch Adjustment Shim is a precision replacement designed to fit OEM part 03-05114-001. This high-quality shim provides accurate suspension spacing and alignment, essential for...

BESTfit 2 Leaf Spring Fits Peterbilt Air Trac SuspensionThe BESTfit 2-Leaf Spring is a reliable replacement designed to fit OEM parts 03-02432 and C81-6007. Manufactured to meet high standards, this durable leaf spring offers excellent load-bearing...

BESTfit 0.875 Inch ID Silent Block Bushing Fits Peterbilt Flex Air SuspensionThe BESTfit Silent Block Bushing, measuring 3 Inch OAL by 2.375 Inch OD, is built to replace OEM part numbers 51880, 51880-000, and C13-6002. It delivers superior vibration...

BESTfit Square U-Bolt Fits Peterbilt Low Air Leaf SuspensionReplace worn or damaged suspension components with the BESTfit 3/4 x 3.5 x 5.125 Inch Square U-Bolt, compatible with OEM numbers 03-00425, 03-00581, and 03-05105. This high-strength U-bolt...

BESTfit 1/16 Inch Thick Torque Rod Shim - Replaces 03-08782-002, 3549153C1, 3624480C1, 65640002 & 66299002The BESTfit 1/16 Inch Thick C-C Torque Rod Shim delivers accurate suspension adjustment for heavy-duty trucks. Made from premium materials, it...

BESTfit Front Of Rear Steel Spring Hanger Fits Peterbilt Low Air Leaf SuspensionThe BESTfit Steel Spring Hanger is a heavy-duty replacement part engineered to fit and perform like the original, replacing OEM numbers 01-46785M001 and 01-49563M001...

BESTfit Single Leaf C Spring Fits Peterbilt Flex Air SuspensionThe BESTfit Single Leaf C Spring Hanger is a durable and precise replacement designed to fit Peterbilt trucks, replacing OEM parts C81-6001 and C81-6001A. Crafted for strength and...

BESTfit Torque Rod Fits Peterbilt & Kenworth Flex Air SuspensionThe BESTfit 24.625 Inch C-C Torque Rod is a durable replacement designed to fit OEM parts C65-6000-002 and C65-6011-002, providing precise suspension control for heavy-duty trucks. Built...

BESTfit 1/32 Inch Thick Torque Rod Shim - Replaces 03-08782-001, 3624479C1, 3549152C1, 65640001 & 66299001The BESTfit 5.688 Inch C-C Torque Rod Shim is a precision-engineered replacement part designed to ensure proper alignment and fitment in heavy-duty...