This Orbitrade Marine raw water pump impeller, is designed to replace Yanmar part number 128990-42200.
The impeller has a diameter of 51mm, a depth of 22mm and fits a 12mm diameter shaft.
This impeller is suitable for the following Yanmar marine engine models:
2GM20-YEU, 2GM20C-YEU, 2GM20F-YEU, 2GM20FC-YEU, 2YM15, 2YM15C, 3GM30-YEU, 3GM30C-YEU, 3GM30F-YEU, 3GM30FC-YEU, 3YM20, 3YM30.