This is a genuine TOYOTA timing chain tensioner, part number 16620-0W026 (superseding 166200W025). It is designed to maintain the correct tension on your vehicle's timing chain, which is crucial for the precise synchronization of the engine's camshaft and crankshaft. Proper timing chain tension is essential for preventing noise, wear, and potential damage to the engine. A failing tensioner can lead to slack in the chain, causing incorrect valve timing, reduced engine performance, and in severe cases, catastrophic engine failure. This component is manufactured to meet TOYOTA's stringent quality standards, ensuring a perfect fit and reliable long-term operation. Replacing a worn or faulty timing chain tensioner with this genuine part will help restore your engine's smooth operation and protect it from further damage.
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