The Rein Coolant Hose Flange - CHP0718 is a component used in a vehicle's cooling system. It is designed to connect the coolant hose to the engine block, allowing coolant to flow through and regulate the engine's temperature. This flange is made of durable materials to withstand high temperatures and pressure, ensuring a secure and leak-free connection. It is a direct replacement for the original equipment and is compatible with various makes and models of vehicles. The Rein Coolant Hose Flange - CHP0718 is an essential part of the cooling system, helping to maintain the engine's optimal operating temperature for efficient performance and preventing overheating.