0280140027 NEW Auxiliary Air Valve Fit Mercedes Volvo Replacement Part Return your old core for

Return your old core for a $150 refund

For use in Bosch L-Jetronic fuel injection

Vanagon Syncro Motor code DJ

Alfa Spider  1990

0280140027 NEW Auxiliary Air Valve Fit Mercedes Volvo Replacement Part Return your old core for0280140027 NEW Auxiliary Air Valve Fit Mercedes The auxiliary air valve increases idle speed when the engine is cold by allowing more air into the engine. It prevents the engine from stalling before reaching operating temperature, especially when the oil is thicker, and combustion is less efficient. As the engine warms up, the valve's thermostatic element closes, restoring normal idle. Welcome to Fuel Injection Products We specialize in Bosch Fuel