1、OE Number: The referencing OE number of this engine oil cooler seal kit is 489572, which is molded and designed depend on the original data. 2、Fitment: The oil cooler assembly seal kit is a replacement for Benz C‑Class CLS‑Class E‑Class G‑Class GL‑Class GLK‑Class M‑Class S‑Class. 3、Durable: Adopts quality materials, has good wear resistance, and can withstand the friction and vibration generated by high temperature and pressure, ensuring the long term stability. 4、Leak Proof: Designed to effectively resist the penetration of liquids and gases, ensuring the cleanliness of the engine interior, and avoiding mechanical failure caused by liquid and gas leakage. 5、Noise Reduction: The gaskets could effectively reduce engine noise, improve the driving comfort, and allow you to enjoy a more pleasant and quiet driving environment.