Volvo Penta DP-H Aluminium 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 an Aluminium anode for brackish water.
Volvo Penta Part No: 3588748
For: DP-H, DPH-A, DPH-B, DPH-C, DPH-D