Yanmar SD40, SD50 Saildrive Dip Stick O-ring, Part Number 189010-01130

Yanmar Saildrive Dip Stick O-ring for SD50 and SD40 Yanmar Saildrives.

This part is the dipstick O-ring that should be changed when changing the oil on a Saildrive model listed below. 

It is also the drain plug o-ring for SD40 and SD50 Saildrives.

For Yanmar Saildrives:

SD40, SD50

Yanmar Part Number: 189010-01130