Frame & Chassis

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...

BESTfit Spring Hanger Assembly Includes Wear Pad KitThe BESTfit Leaf Spring Hanger is a durable, high-quality replacement part designed to restore suspension integrity on heavy-duty trucks. Built to replace OEM part numbers 01-44406 and 01-48280M002,...

BESTfit Cast Steel Air Spring Pedestal - Replaces 03-02559R, 03-07346R, 03-08402R, 03-08403R & 107905The BESTfit 40K Cast Steel Air Spring Pedestal is a premium replacement designed for Peterbilt rear air leaf and Air Trac suspensions on the passenger...

BESTfit 4.375 Inch Center To Center Silent Block Bushing Fits Peterbilt Flex Air SuspensionThe BESTfit 5.625 Inch OAL x 2.36 Inch OD Silent Block Bushing is a durable suspension component designed to replace OEM parts 51879 and C13-6001. Engineered to...

BESTfit 0.0625 Inch Thick Adjustment ShimThe BESTfit Adjustment Shim measuring 1.16 x 1.25 x 3.75 inches is a dependable replacement for OEM part 03-05114-001. Designed to provide precise suspension alignment and spacing, this shim helps maintain proper...

BESTfit Cast Steel Air Spring Pedestal - Replaces 03-06747L, 03-08162L & 03-08163LEngineered for maximum strength, the BESTfit 46K Cast Steel Air Spring Pedestal is a direct-fit replacement for the driver side of Peterbilt rear suspension systems...

BESTfit Rear Spring Hanger For Air Leaf SuspensionThe BestFit Cast Steel Rear Air Leaf Hanger is a heavy-duty replacement part engineered to fit and replace OEM numbers 03-06794, 03-06794M001, 03-07328, and 03-07328M001. Made from high-strength cast...

BESTfit C Spring Hanger Fits Peterbilt Flex Air Suspension Passenger SideThe BESTfit Aluminum C Spring Hanger is a reliable replacement for the driver side of Peterbilt trucks equipped with Flex Air suspension. Made from durable, lightweight aluminum,...

BESTfit Sealed Torque Rod Fits PeterbiltThe BESTfit 17.340 Inch Sealed Torque Rod is a premium aftermarket replacement part engineered for Peterbilt Air Trac suspension systems. Its sealed design ensures that the bushings are protected from dirt and...