Yanmar Saildrive Drain Plug O-ring for SD20, SD25, SD30 and SD31 Yanmar Saildrives
This O-ring should be replaced when changing the oil in your Saildrive. Saildrive oil should be changed at the end of each season to ensure that the Saildrive oil is free of any saltwater contamination, during the winter period.
If the oil is milky when drained, the two oil seals and two O-rings must be changed.
Fits: SD20, SD25, SD30, SD31
Yanmar Part Number: 24341-000125
The O rings for the Bearing Carrier are part number 196420-12240 - 2 required
The Drain Plug is Part Number 196420-02530
The Oil seals are Part Number 196313-02591