Water Hose Heating for Subaru STI 2008+ 21204AA162

The Water Heating Hose (SKU: 21204AA162) is a genuine Subaru cooling system component designed for STI models produced from 2008 onward. Also referred to as a pre-heater coolant hose, it transfers coolant through the engine heating circuit, supporting proper temperature regulation and efficient warm-up performance. Manufactured according to Subaru factory specifications, it provides precise fitment, reliable coolant flow and long-term durability under demanding engine operating conditions.

Compatibility:
– Subaru STI 2008+

Manufacturer: Subaru
SKU: 21204AA162