0280140017 REMAN Bosch Auxiliary Air Valve Fit Mercedes 0280140501 Engineered by bosch to meet

Engineered by bosch to meet Porsche 911SC and Rolls-Royce specifications

560SEL         86-87

450SE           1973

450SEL   1980

318i            1985

0280140017 REMAN Bosch Auxiliary Air Valve Fit Mercedes 0280140501 Engineered by bosch to meet0280140017 REMAN Bosch 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 its 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 the idle to normal. Welcome to Fuel Injection Products We