Tecnoseal have stopped producing this part as the post 2017 version is compatible, so it will be the post version that will be supplied, the only difference is a cut out to accommodate bolts on the post 2017 drive
See Saildrive split ring Volvo 130/150 Zinc Anode, post 2017, original par | Solent Anodes
Part number V3888305 or V3888306
Size 105mm diameter 27mm thickness
Weight 1.46kg
Bolts are supplied
For use in saltwater