[Fitment Note]: for Baja H4 2.5L, fit Naturally Aspirated Only; for 1999 Impreza H4 2.2L, without California Emissions; for 2000-2001 Legacy/Outback H4 2.5L, fit Automatic Transmission Only
[Advantages]: Regulates engine idle speed by controlling the amount of air that bypasses the throttle plate when the throttle is closed. It smooths the idle speed, reduces fuel consumption and gives your car a higher performance.
[Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Idle Air Control Valve. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.