The SM 4629 is a heavy-duty Starter Drive (Self Drive) specifically engineered for the Tata Indica Diesel (including the DLG, DLX, and early V2 models). Utilizing a robust L-Type architecture, this 9-tooth pinion is designed to handle the high-compression cranking loads of the 1405cc Tata diesel engine, ensuring reliable starting for one of India's most popular passenger and commercial hatchbacks.