Frame & Chassis

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...

BESTfit U Bolt Saddle - Replaces 03-01656, 03-01656G, 03-1656B & 03-1656DThe BESTfit 3.875 x 8.375 Inch U-Bolt Saddle is a reliable and heavy-duty suspension component designed to provide secure clamping and proper alignment for leaf spring setups...

BESTfit C Spring Hanger Fits Peterbilt Flex Air Suspension Driver SideDesigned to fit Peterbilt Flex Air suspension systems, the BESTfit Aluminum C Spring Hanger offers strong, lightweight support on the driver side. This replacement part matches OEM...

BESTfit 5.0625 Inch OAL Air Spring Stud Fits Peterbilt Flex Air & Air Trac SuspensionEngineered to endure the pressure and motion of the air spring, this threaded metal stud ensures a secure and dependable connection to Peterbilt Air Trac, Air Leaf, and...

BESTfit 0.63 Inch Thick Torque Rod Shim Fits Multiple Peterbilt SuspensionsThe BESTfit 4.375 Inch Torque Rod Shim is a precision-engineered replacement designed to fit and replace OEM parts 47457, 49689, and 8020329. This high-quality shim provides...