STARTER MOTOR TO SUIT MITSUBISHI 4G64 2.4L I4Starter Motor: Practical Starting Support for Reliable Operation A starter motor is an important part of a vehicle starting system, helping your vehicle begin operation when the ignition key is turned or the start button is pressed. Also known as a car starter motor, auto starter motor, starter assembly, ignition starter, or replacement starter motor, it works with the vehicle electrical system to support the starting process. Over time, regular use,