The SM 8490 is a premium, high-capacity Alternator Rectifier Assembly specifically engineered for Honda’s high-end sedan and SUV lineup. Utilizing a specialized DEN.TYPE (Denso Type) architecture, this unit is a direct replacement for the high-output, compact alternators found in i-VTEC and i-DTEC engine platforms. It is built to provide the rock-solid DC stability required for Honda’s advanced VSA (Vehicle Stability Assist) and sensitive infotainment modules.