Castle Nut

About this product

The Castle Nut (#9017116008), a critical component in the Drive-Chassis/Rear Spring & Shock Absorber system, plays a pivotal role in securing vehicle suspension systems. Fastened at the end of suspension joints, this nut has slots cut into one end, resembling a castle turret – hence its name. Its function is to prevent detachment of suspension components during operation which could lead to catastrophic failure. By using Toyota's genuine Castle Nut (#9017116008)s, you are assured of perfect compatibility with your vehicle and the peace of mind provided by Toyota's genuine parts warranty. However, with time and usage, the Castle Nut (#9017116008) can wear out or corrode. If not replaced, a failing Castle Nut (#9017116008) could compromise the safe operation of the suspension system, risking the vehicle's stability and safety during driving. Thus, the Castle Nut (#9017116008) is vital for maintaining the vehicle's suspension systems, contributing significantly to the overall safety and efficiency of your Toyota vehicle.