The SM 4421 is a precision-engineered Self Starter Rocker Assembly designed for Bosch-style (B.TYPE) starter motors operating on a 12V system. This assembly is a primary replacement part for various Tata Motors passenger and light commercial vehicles. It is specifically built to manage the high-current demands of 12V diesel and petrol engines, ensuring a rapid and reliable start even in high-temperature engine bays.
SM 4421
Brand: Yessem Grand
Part Type: Starter Motor Brush Holder / Rocker Assembly
Design Type: Bosch Type (B.TYPE)
Voltage: 12V
Compatibility: * Tata Passenger: Indica, Indigo, Marina, Sumo (12V variants).
Tata Light Commercial: 407 (standard 12V models), 207 DI, Ace (Bosch variants).
General: Fits various 12V Bosch-style gear reduction or direct-drive starters.
Material: Fiber-Reinforced Dielectric Base with High-Copper Composite Brushes.
