The SM 2521 is a high-durability starter brush set specifically designed for the Mahindra Champion (3-wheeler cargo/passenger) and related Mahindra small commercial vehicles. Utilizing an L-Type copper-carbon composite, these brushes are engineered to deliver the high-torque cranking required for the Champion’s single or multi-cylinder diesel engines, ensuring reliable "first-turn" ignition in the demanding last-mile transport sector.