Mariner Mercury Round Anode.
Fits: some 4 and 5hp Mariner and Mercury 2 stroke outboards, 25 EFI (3 cylinder 4-strokes from 0R106999 and up.
Quicksilver Part Number: 97-823912
Fits: Various outboards. Call us on 01326 370060 with your serial number if you are unsure as to what anodes you need for your Mariner and Mercury outboard.