The URO Parts Coil Spring Insulator - 012574 is a rubber component designed to fit between the coil spring and the strut mount of a vehicle's suspension system. Its purpose is to reduce noise and vibration, as well as protect the spring and strut from wear and tear. This insulator is specifically designed to fit certain makes and models of vehicles, providing a precise and secure fit. It is made of high-quality materials to ensure durability and longevity.