13512-PT0-020 Thrust Washer - Overview. The 13512-PT0-020 Thrust Washer is a vital component within Honda marine engine systems and automotive transmissions. Its primary role is to maintain correct spacing and absorb axial forces between rotating parts, preventing excessive movement and reducing wear. This ensures smooth operation of the gearbox and extends the lifespan of related components. Engineered to integrate seamlessly with existing parts, seals, and housings, it maintains optimal mechan