Prepare your semi to be Ready for the Road Ahead , with the Delco-Remy 31MT 12V 10-Tooth Starter Motor that provides fast power from a cold engine. After the turn of a key or press of a button, this replacement starter works alongside the battery to initiate the engine flywheel. Fashioned with reliable components to keep each starter at its best for extensive periods of time. FleetPride is your First Click in Heavy Duty .