U-Bolt Top Plate 338-718 – Fits Peterbilt Air Trac & Air Leaf Suspensions Key Features:• Application: Mack tandem

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

reducing stress and wear on surrounding components

The Straddle D-Pin Bushing 60383 is a heavy-duty suspension bushing designed specifically for Hendrickson PRIMAAX® and FIREMAAX® suspension systems

and reduce stress on suspension parts

U-Bolt Top Plate 338-718 – Fits Peterbilt Air Trac & Air Leaf Suspensions Key Features:• Application: Mack tandemThe 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