This is a genuine TOYOTA castle nut, part number 9017118003, designed to meet the high standards of your vehicle's original equipment. Castle nuts are a type of fastener used to secure components where vibration or movement could otherwise loosen a standard nut. The slots in the head allow for a cotter pin or similar locking mechanism to be inserted, providing a positive lock and preventing rotation. This specific nut is manufactured by TOYOTA, ensuring it is made to precise specifications for compatibility and durability. Its robust construction is designed to withstand the stresses and environmental conditions encountered in automotive applications. Using genuine TOYOTA parts like this castle nut is crucial for maintaining the integrity and safety of your vehicle's systems. It guarantees a perfect fit and reliable function, contributing to the overall longevity and performance of your car.
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