Mariner Mercury square gearcase anode, Part Number 97-42121Q02

Mariner Mercury square gearcase anode.
Fits: Under the cavitation plate on:

6, 8, 9.9hp 2-stroke model year 1986 & newer
F8, 9.9 hp four stroke model year 1995 to 2004
F13.5hp four-stroke model year 2001 and newer
F15 hp four-stroke 1998 to 2006
10 Marathon, 10 Seapro, 10 Viking
Force Standard Gearcase Models: 9.9 and15 hp 2-stroke 1998

Quicksilver Part Number: 97-42121Q02