U-Bolt Top Plate 338-718 – Fits Peterbilt Air Trac & Air Leaf Suspensions and reduce stress on suspension

and reduce stress on suspension parts

and longevity in severe-duty vocational and fleet applications

this loadguard spring effectively absorbs impact

it’s a reliable replacement for aging or worn torque rods

Key Features:• Application: Mack tandem axle rear suspension systems• Supports rear spring beam and allows proper articulation• Heavy-duty construction for extreme load environments• Precision-engineered to OEM specifications• Direct replacement for multiple Mack part numbers

U-Bolt Top Plate 338-718 – Fits Peterbilt Air Trac & Air Leaf Suspensions and reduce stress on suspensionThe U Bolt Top Plate 338 718 is a heavy duty suspension component engineered to securely clamp the leaf spring pack to the axle in Peterbilt trucks. Compatible with vehicles using Air Trac and Air Leaf suspension systems, this top plate helps maintain alignment and suspension integrity under tough operating conditions. A direct replacement for several OEM part numbers. OEM Cross References: 301656, E28875, E288 75, M822, E4781, 338718, S5038 Key