The SM 4752 is a precision-engineered Starter Drive (Self Drive) designed specifically for the latest generation Maruti Swift and its platform siblings. Utilizing a robust B-Type (Barrel Type) architecture, this unit features an 8-tooth pinion and a specialized 8-spline internal configuration. It is optimized for the high-efficiency, high-revving K-Series DualJet engines, ensuring the rapid and quiet "first-turn" ignition required for modern urban driving.