The Genuine Porsche Engine Timing Chain Tensioner is a high-quality replacement part for the 99610518602 model. This tensioner is designed specifically for Porsche engines and is made from durable materials to ensure long-lasting performance. It is responsible for maintaining the correct tension on the timing chain, which is crucial for the proper functioning of the engine. This tensioner is an essential component for keeping the engine running smoothly and preventing any potential damage or malfunctions. With its precise fit and reliable construction, the Genuine Porsche Engine Timing Chain Tensioner is an ideal choice for maintaining the performance and longevity of your Porsche engine.