For 1980/1984-2006/2009 Mercury/Mariner 2-cyl, 30-40 Hp | 3-cyl, 40-90 Hp | 4-cyl, 40-125 Hp | 6-cyl, 90-115 Hp | V6, 115-300 Hp outboard engines.

also crosses with:
Sierra: 18-0970-9
GLM: 32960
Mallory: 9-60054