Coolant Hose Bleeder Valve to Thermostat Housing | 025 121 073E

Coolant hose vent valve to thermostat housing | 025 121 073E

This coolant hose vents excess air from the vent valve to the thermostat housing, ensuring a stable cooling system without airlocks. The replacement part 025 121 073E is crucial for reliable temperature control, especially in older engines where air pockets can cause problems. A worn or damaged hose quickly leads to overheating issues and unreliable coolant circulation. We recommend combining this with a new thermostat housing or a complete set of cooling hoses for a full overhaul of your cooling system.

Technical specifications

Year of manufacture	Bus 05/79-12/84, 1.9 WBX
OEM comparison number	025 121 073E
Brand	BBT