The SM 4527 is a premium, Original Equipment (O.E.) Grade Self Starter Rocker Assembly (Brush Holder) specifically designed for modern Mahindra Bolero variants equipped with start-stop sensors or advanced ECU-monitored cranking systems. Identified by the 575 series designation, this assembly utilizes a robust Bosch-style (B.TYPE) architecture. It is engineered to meet the high-frequency cranking demands of m2DiCR and mHawk engines while maintaining compatibility with the vehicle's electronic sensor arrays.