The Genuine Porsche Engine Oil Pump Chain Tensioner - 9A110523502 is a high-quality replacement part for Porsche engines. It is designed to maintain proper tension on the oil pump chain, ensuring smooth and efficient operation. This tensioner is made from durable materials and is an exact fit for Porsche models. It is a genuine OEM product, ensuring reliability and performance. This engine oil pump chain tensioner is essential for keeping the oil pump functioning properly, which is crucial for the overall health and performance of the engine.