Idle Air Control Valve for Mercruiser V6 - V8 MPI - 862998, 18-7701:
Idle Air Control Valve for Mercruiser V6 - V8 MPI - 862998/18-7701, 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.
Replacement Idle Air Control (IAC) Valve
This will fit the following MerCruiser Engines with ECM 555 2001 and newer
4.3L Alpha/Bravo, 5.0L, 5.0LX, 5.7L, 350 MAG, 5.7L Alpha/Bravo EFI, 454 MAG MPI, 502 MAG MPI, 7.4L MPI MIE. 8.2L MIE MPI.
Interchanges with Mercruiser 862998 or Sierra 18-7701
Please match your old part to the pictures
Includes gasket