Volvo Penta DPI-A magnesium cavitation plate anode.
If your anode is worn away by 33% or more, it is advisable to change it, as more of its surface area has been worn away and the remaining anode will wear away much quicker.
Please note this is a magnesium anode for freshwater use.
Volvo Penta Part No: 23520860
For: DP-H, DPI, DPI-A, DP-R