This is a genuine TOYOTA castle nut, part number 9017116009. Designed to meet the stringent quality standards of TOYOTA, this nut provides a secure and reliable fastening solution for various automotive applications. Castle nuts are specifically engineered with slots on one end, allowing a cotter pin to be inserted through them and the mating bolt or shaft. This mechanism prevents loosening due to vibration or movement, which is crucial for safety-critical components. Replacing worn or damaged nuts with genuine TOYOTA parts ensures optimal performance and longevity of your vehicle's systems. Ensure proper fitment and function by using this authentic TOYOTA component. It is manufactured with precision to guarantee compatibility with the intended TOYOTA parts, maintaining the integrity and safety of your vehicle's assembly.
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