A plug that allows the coolant to be removed from the pump. Engine Coolant Bleeder Screw. Removable plug located in the Thermostat Housing that allows to drain the Engine Coolant. Coolant Bleeder. Coolant Housing. hsng. Water Pump. Included with: Thermostat housing, Thermostat unit.
Engine Coolant Bleeder ScrewEngine Water Pump Drain PlugEngine Coolant Thermostat Housing Drain Plug
Fits A8, R8, RS5, S5
4.2 LITER. 4.2 LITER, PRIMARY. MAIN, 4.2 LITER. MAIN, 5.2 LITER.