If your engine's idle is acting up – too high, too low, or just rough – a faulty Idle Air Control (IAC) motor might be the culprit. This is the Sierra replacement IAC motor, part number 18-7697. Sierra makes reliable marine and automotive parts, so you know you're getting a quality component. This motor helps regulate your engine's idle speed by controlling the amount of air that bypasses the throttle plate. Replacing a worn-out one can smooth out your idle and fix stalling issues. It's crucial to make sure this part number (18-7697) matches your old motor or your engine's requirements. Good for DIY mechanics or professionals looking for a dependable replacement part. Get your engine idling smoothly again with this direct-fit Sierra IAC motor.