The Gates Coolant Hose is designed to provide superior performance and reliability. It is made from a high-grade silicone material that is resistant to weathering, ozone, heat and coolant deterioration. The silicone tube and cover are designed to resist prolonged exposure to under-hood and coolant heat. This hose exceeds SAE 20R1 standards, making it an ideal choice for a variety of automotive applications. FleetPride is your First Click in Heavy Duty®.