Usable to Cool Down Engine Oil, Transmission, and Rear-Differentials,Anodized for Durability and Protection. Oil Cooler Kit Helps Reducing Coolant Temperature,Extends Engine Life. Product Highlights: Oil cooler can cool and clean the oil in time to ensure the engine parts will not be worn due to the high temperature or poor lubrication effect, helping to extend the life of the oil and engine. Water-cooled oil coolers are placed in the cooling water circuit, using the cooling water temperature to control the lubricant temperature. Water-cooled oil coolers typically consist of an aluminum alloy casing, front and rear covers, and copper core tubes, with cooling fins on the outside of the tubes to enhance the cooling effect., Manufacturer: GAYCLG