OEM Yanmar: 119773-77010; Mercruiser: 50-8M6007442; Yamaha: 6TA-81800-00, 6TA8180000 Model / OEM 119773-77010 Engine 6LPA-DTP, -DTZP, -STP, -STZ 6LP-DT, , -DTE, -DTZE, -DTZY, -ST, -STE, -STZE, -STZY, -WDT, -WDTZY Power 12V 2.5 kW Tooth 12 BENDIX