Bosch's Long Haul 12V series of starters come specially designed to outperform and outlast their OE counterparts on most heavy duty commercial vehicles, according to the company. These starters include all the features necessary for the widest range of large displacement commercial diesel engine applications. They also utilize the fewest number of SKUs – three Bosch Long Haul Starters replace more than 186 competitive part numbers. Other notable features include an easy-to-use Universal Mounting Flange, over crank protection, an internal magnetic switch, a fixed over running clutch, a meshing spring for positive gear engagement during cranking, an isolated external ground circuit promotes and more.