Water Flange Top Rad Hose (1.9TDI) (Volkswagen Golf IV / Jetta IV) is a mechanical part designed for the cooling system of Volkswagen Golf IV and Jetta IV models equipped with the 1.9TDI engine. This hose connects the water flange to the radiator at the top position, playing a vital role in circulating coolant to regulate engine temperature.
This hose is essential for maintaining proper engine cooling and preventing overheating by ensuring secure coolant flow between the engine and radiator. When replacing, it is important to compare the hose shape, diameter, and connection points with the old unit to ensure compatibility with the 1.9TDI engine setup. This part carries the SKU BB-251272, specifically associated with Volkswagen vehicles, matching the 1.9TDI Golf IV and Jetta IV cooling system layout.
Carefully inspect your existing hose for leaks, cracks, or deterioration, as these symptoms often indicate a need for replacement. This water flange top radiator hose is typically found on the upper radiator connection to the engine’s water flange, so confirming this location and engine type will help in selecting the correct replacement.
- Specifically for Volkswagen Golf IV and Jetta IV 1.9TDI models
- Maintains coolant flow from water flange to radiator top
- Compare fitting points and hose diameter to old part
If this repair may need matching clips, brackets, lights, panels or more than one part, check Quick Repair Bundle, Request a Part or Platinum Sales Desk before ordering.





