Product Introduction Water pumps and gaskets are vital for keeping your engine at a regulated and safe temperature. A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine. Features Water Pump: Metal Impellers(Mostly) Designed, tested and inspected in the U.S. Case Hardened Bearings Electric Cooling Fan Clutch: Improved Shaft Design Precision Machining High-load Bearings Fits .