0280140037 NEW Auxiliary Air Slide Valve Fits Mercedes Vanagon Idle Air Valve VW Type 4 1972-1973 D

VW Type 4        1972-1973  D JETRONIC

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450SE                      1977

One filter fitting

ensuring smooth idling and better throttle response

0280140037 NEW Auxiliary Air Slide Valve Fits Mercedes Vanagon Idle Air Valve VW Type 4 1972-1973 D0280140037 NEW Auxiliary Air Slide Valve Fits 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