The SM 4486 is a precision-engineered Self Starter Rocker Assembly (Brush Holder) specifically designed for the Toyota Etios and Etios Liva series. Utilizing a specialized Denso Type (DEN.TYPE) architecture with a high-efficiency 4-brush configuration, this assembly is built to support both the 1.4L D-4D diesel and 1.2L/1.5L petrol engine platforms. It is engineered to meet Toyota's strict standards for reliability and quiet, rapid engine engagement.