For 1987 & later Johnson/Evinrude 2-cyl, 2.5-55 Hp | 4-cyl, 75-115 Hp | 6-cyl, 135-225 Hp outboards.

also crosses with:
Sierra: 18-5170
CDI: 183-3740
GLM: 72060
Mallory: 9-23104