The SM 8496 is a precision-engineered Alternator Rectifier Assembly designed specifically for the Chevrolet Spark (1.0L S-TEC engine). Utilizing a specialized L-Type bridge architecture, this unit is a direct replacement for the compact alternators found in GM’s global small-car platform. It is built to provide the stable 12V DC output required for the Spark’s electronic fuel injection (MPFI) and digital cabin electronics.