Yanmar 2GM, 3GM Seawater Pump Drive Belt.
This belt fits the Yanmar 2GM, 3GM and often, the belt will have Mitsubishi code M 19 printed on the actual genuine belt.
For Yanmar diesel engines:
2GM, 2GM20F, 2GM20C
3GM, 3GM30, 3GM30F
2QM, 3QM, 3HM, 3HM35F
Yanmar Part Number 104511-78780E
Previous Part Number: 104511-78780