Lock Nut

About this product

The Lock Nut (#90177-A0004), an essential Engine-Fuel component of the Exhaust Pipe system, is primarily designed to securely fasten and prevent loosening of the exhaust pipe connections. As the vehicle operates, the lock nut maintains a robust grip, resisting vibration and ensuring the system stays intact. However, like all components, these critical parts can wear out over time, leading to a loose exhaust pipe, potentially harmful leaks, and a reduction in vehicle performance. Hence the importance of periodically replacing genuine Toyota Lock Nut (#90177-A0004)s, which are specifically designed for vehicle compatibility and are supported by Toyota's genuine parts warranty, lies in ensuring the safety and efficiency of the Exhaust Pipe system. A properly functioning Lock Nut (#90177-A0004), therefore, contributes significantly to the overall integrity and efficient operation of the Exhaust Pipe system.
Brand Toyota Genuine
Previous Version(s) 94185-61000
Part Number 90177-A0004

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