Water Flange Heater Rad (Volkswagen Golf V / VI / Tiguan / Touran / Caddy 1.6 / Audi A3 8P 1.4TSI TFSI) is an engine cooling component designed for specific Volkswagen and Audi models. This part plays a critical role in connecting the heater radiator to the engine cooling system, allowing hot coolant to flow through and provide heat to the vehicle’s cabin heater core. It is essential for maintaining proper temperature regulation inside the vehicle as well as supporting engine temperature stability.
This water flange heater unit fits a range of vehicles including Volkswagen Golf V and VI, Tiguan, Touran, Caddy with 1.6 engines, and Audi A3 8P with 1.4TSI TFSI engines. When considering replacement, it is important to compare the old flange’s shape, mounting points, and hose connection positions to ensure compatibility. This part is branded under Volkswagen and is identified with SKU BB-250167.
This component typically mounts on the engine block or cylinder head and serves as the interface for coolant flow between the engine’s cooling system and the heater core system. If this flange is damaged or leaking, it can cause coolant loss and heater malfunction, affecting both comfort and engine temperature control.
- Verify vehicle model and engine type match before ordering.
- Compare physical connectors and flange dimensions with the original part.
- Consult the sales desk or submit a request if unsure about fitment or compatibility.
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