The SM 7861 Alternator Rotor Assembly is a high-precision electrical component specifically engineered for the Denso-style (DEN. Type) charging systems found in the New Model Maruti Suzuki Swift Diesel (DDiS). This rotor is designed to fit the compact, high-efficiency alternators (O.E. Part Ref #7320) used in the latest generation of Maruti's 1.3L turbo-diesel engines. Built to O.E. Specifications, it provides the stable magnetic field required to support the vehicle's sophisticated electronics and Electric Power Steering (EPS).