For 1971-2007 Johnson/Evinrude 2-cyl, 13-55 Hp | 3-cyl, 60-70 Hp | V4, 84-140 Hp | V6, 150-250 Hp | V8, 250-300 Hp outboards.
ID: 3.375″ | OD: 3.625″ | W: 0.125″

also crosses with:
Sierra: 18-7127
GLM: 82370
Mallory: 9-76527