The Vaico Coolant Flange - V100379 is a replacement part for a vehicle's cooling system. It is designed to connect the coolant hose to the engine block and helps to regulate the flow of coolant throughout the system. This flange is made of durable materials and is designed to withstand the high temperatures and pressures of the engine. It is a direct fit for specific vehicle makes and models, ensuring easy installation and proper function. This coolant flange is an essential component for maintaining the proper functioning of a vehicle's cooling system.