For Force Models 70A,B, C (1991-92), 70 (0E00001-0E138599), 75 (OE138600-OE344999).
Mercury/Mariner F40 4-Stroke, 3 cyl, long shaft S/N (1C000001-1CO49738) I F40/50/60 4-Stroke 996cc (std gearcase 1.83;1 ratio) I 50 HP 2-Stroke, 3 cyl, std gearcase S/N(OD000750-OG589999) I 55/60 HP 2-Stroke, 3 cyl. std gearcase S/N (OD000750 & above)
Diameter: 4″
EMP Aluminum anodes conform to Mil-Spec A-24779(SH)

also crosses with:
Canada Metals CM17264C1A
GLM 12947
Technoseal 00827AL