Mercury Idle Air Control (IAC) Valve Kit for V6 & V8 MerCruiser EFI Engines 8M0239245

Mercury Idle Air Control (IAC) Valve Kit 8M0239245 is a genuine Mercury/Quicksilver OEM replacement kit designed for select V6 and V8 MerCruiser EFI sterndrive and inboard engines manufactured by General Motors. The idle air control (IAC) valve regulates engine idle speed by controlling airflow into the engine, helping maintain a smooth and consistent idle under varying operating conditions.

Compatible with the following:

• Select MerCruiser V6 EFI sterndrive and inboard engines
• Select MerCruiser 305 CID EFI engines
• Select MerCruiser 350 CID EFI engines
• Select MerCruiser 454 CID EFI engines
• Select MerCruiser 502 CID EFI engines

Kit Includes:

• Idle Air Control (IAC) Valve
• Mounting Hardware
• Gasket

A failing IAC valve can cause rough idle, stalling, fluctuating idle speed, or difficult starting. Replacing the valve with a genuine Mercury OEM component helps restore proper idle performance and dependable engine operation.

Manufactured to Mercury Marine's original equipment specifications, this kit provides the correct fit, performance, and durability expected for your MerCruiser engine. Installation is straightforward using common shop tools.

Quicksilver is Mercury Marine's official parts and accessories brand, offering the same OEM quality and fit as Mercury-branded components.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.