0280140037 REMAN Auxiliary Air Slide Valve Fits Mercedes
0280140037 REMAN Auxiliary Air Slide Valve Fits Mercedes
The Auxiliary Air Slide Valve (AAV), is a thermostatic-controlled component on older Mercedes models that provides extra air to the engine during cold starts, ensuring a stable idle until the engine warms up, then it closes to allow the engine to run on normal idle, preventing stalling and high RPMs. It works by using a wax-filled bulb connected to engine coolant; as the coolant heats, the wax expands, moving a rod to close the valve, managing idle speed effectively.
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Remanufactured Mercedes-Benz
Auxiliary Air Slide Valve
BOSCH 0280140037 - 0 280 140 037 - M-B OEM 000 141 06 25
When depleted, use 0280140038
Fit
280 E 1981 USA
280 CE 1981 USA
280 E 1977 USA
280 SE 1977 USA