The Vaico Coolant Flange - V100743 is a replacement part for a car's cooling system. It is designed to connect the radiator hose to the engine block, allowing coolant to flow through the system and regulate the engine's temperature. This coolant flange is made of durable materials and is precision-engineered to fit perfectly in the designated area. It is a crucial component in maintaining the proper functioning of a car's cooling system and preventing overheating. The Vaico Coolant Flange - V100743 is a reliable and high-quality replacement part that ensures the efficient operation of a vehicle's engine.