Prestolite M93R3001SE Starter Motor Assembly

The Prestolite M93R3001SE is a 24-volt, 6.0-kilowatt electric starter motor designed for heavy-duty diesel engine cranking applications. It utilizes a 12-tooth pinion with a 10/12 diametral pitch and a 50mm jet clamp configuration. The unit features SAE 1 flange mounting and grounded (earth return) polarity with clockwise rotation. This starter motor serves as a direct replacement for Cummins B Series engines including 4B, 4BT, 4BTA, 6B, 6BT, and 6BTA variants, as well as ISBE, EQB, and BGE models. It cross-references to Cummins OEM part numbers 4948058, C4948058, and 4983067. The assembly is engineered to meet OEM specifications for installation dimensions, torque output, and environmental durability in commercial vehicle and construction machinery applications.