Idle Air Control Valve for Mercury Marine and Mercruiser - 803149:
Idle Air Control Valve for Mercury Marine and Mercruiser, with a high quality.
An IAC (idle air control) motor is designed to adjust the engine idle RPM speed by opening and closing an air bypass passage inside the throttle body.
The PCM (power train control module) receives information from various sensors and will output signals to adjust the idle air control motor in or out to adjust engine idle speed by controlling engine idle air.
Replaces: Replaces 803149-853677 & 7.4L MPI (L29)
Fits: Fits 1998 & newer 350 Mag MPI, Black Scorpoin (0F350583-0L005899)