Castle Nut

About this product

The Castle Nut (#9017118003), a critical component in Toyota's Drive-Chassis/Front Axle Arm & Steering Knuckle system, functions to secure the tie rod ends and ball joints in place, thus ensuring correct alignment and control. This high-strength nut is designed with slots or notches resembling the crenels or battlements of a castle, hence its name. As the Castle Nut (#9017118003) ages, there's a risk of it loosening or breaking, which could disrupt the vehicle's alignment or steering – a significant safety concern. Therefore, regular inspection and replacement are necessary. Genuine Castle Nut (#9017118003)s from Toyota Autoparts offer perfect compatibility with your vehicle and are backed by Toyota's genuine parts warranty. Ultimately, a well-maintained Castle Nut (#9017118003) contributes to the smooth operation and safety of your Toyota vehicle, providing you with peace of mind on the road.