8235-1229W4521
Differential Pinion Gear Thrust Washer
Mack

This thrust washer is a critical component within the differential assembly, ensuring smooth operation and proper gear alignment. It reduces friction between moving parts, preventing excessive wear and potential failure of the pinion gear. Correct installation of this washer is vital for maintaining gear mesh accuracy, which directly impacts vehicle handling and drivetrain longevity. Made from durable materials, it resists deformation and corrosion, even under heavy loads and high temperatures. Regular inspection and replacement are recommended to sustain optimal differential performance. Source One Parts Center supplies this essential part, supporting your maintenance routines with quality assured components. Properly functioning thrust washers are fundamental to the reliability and safety of your vehicle’s drivetrain system.