Mercury 8M0188118 Sensor IAC Valve - MW

Name: Mercury 8M0188118 Sensor IAC Valve - MW
Brand: Mercury - Mercruiser (MW)
SKU: 8M0188118
Availability: InStock

SKU 8M0188118 MPN 8M0188118 UPC 745061729704 MFR Mercury - Mercruiser (MW)

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Back to: Mercury Outboard Parts

Mercury 8M0188118 Idle Air Control Valve

The Mercury 8M0188118 Idle Air Control Valve is a genuine OEM replacement IAC valve for select Mercury 4-Stroke EFI outboards and compatible Vazer applications. The idle air control valve helps regulate idle speed by controlling airflow through the engine’s intake system where specified by the Mercury parts diagram.

Replacing a worn or faulty IAC valve can help correct idle quality issues, stalling, hard starting, or inconsistent low-speed operation on compatible Mercury EFI engines. This genuine Mercury replacement part supersedes Mercury part number 897526T.

Product Features:

Genuine OEM Mercury idle air control valve
Designed for select Mercury 4-Stroke EFI outboard applications
Helps regulate engine idle speed and low-speed airflow
Useful when servicing idle quality, stalling, or low-speed running issues
Direct replacement where part number 8M0188118 is specified
Supersedes Mercury 897526T
Built to Mercury Marine fit, function, and performance standards

Product Details:

Brand: Mercury
Manufacturer Part Number: 8M0188118
Previous / Superseded Part Number: 897526T
Part Type: Idle Air Control Valve
Abbreviation: IAC Valve
Application: Select Mercury EFI outboards and Vazer engines

Fits Select Mercury Applications:

65 HP EFI Jet, serial number 2B095049 and up
75 HP EFI, serial number 1B366823 through 2B094995
80 HP EFI, serial number 1B366823 through 2B094995
90 HP EFI, serial number 1B366823 through 2B094995
100 HP EFI, serial number 1B366823 through 2B094995
115 HP EFI, serial number 1B366823 through 2B094995
75 HP EFI, serial number 2B095049 and up
80 HP EFI, serial number 2B095049 and up
90 HP EFI, serial number 2B095049 and up
100 HP EFI, serial number 2B095049 and up
115 HP EFI, serial number 2B095049 and up
90 HP EFI SeaPro, serial number 2B095049 and up
100 Vazer, serial number 1A035000 through 1A036006
100 Vazer EC, serial number 1A035295 through 1A036006
115 HP EFI Pro XS, serial number 2B225488 and up
115 HP EFI SeaPro, serial number 2B095049 and up
135 HP EFI, serial number 2B131942 and up
150 HP EFI, serial number 2B139139 and up
150 HP EFI, serial number 2B550139 and up
150 EFI Pro XS, serial number 2B550139 and up
150 EFI SeaPro, serial number 2B139139 and up

Supersedes:

897526T

Service Note: Follow your Mercury service manual for IAC valve diagnosis, removal, installation, gasket or seal inspection, and any required idle relearn or system checks for your specific engine.

Fitment Note: Idle air control valve fitment should be verified by engine model, horsepower, serial number, intake system configuration, parts diagram, and existing part number before ordering. Please confirm this IAC valve is correct for your Mercury EFI outboard or Vazer application before purchasing.

WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov