Mercury - Idle Air Control Valve - Fits MCM 100 Vazer - 897526T Boat & Engine Covers Compatible Vehicles:

Compatible Vehicles:

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you quickly learn how important the anode system is to long term engine health

Mercury - Idle Air Control Valve - Fits MCM 100 Vazer - 897526T Boat & Engine Covers Compatible Vehicles:Mercury Idle Air Control Valve 897526T Shop Mercury Idle Air Control Valve 897526T for compatible Mercury MerCruiser MCM 100 Vazer applications. An idle air control valve, often called an IAC valve, helps regulate airflow at idle so the engine can maintain a steady idle speed. A failing IAC valve may cause rough idle, stalling, hard starting, or inconsistent idle behavior, depending on the engine and fuel injection system. Mercury 897526T is an idle