O-Ring
OEM: Mercury
Replaces: Mercury 25439
For before 1960/1988 & later Mercury/Mariner 2-cyl, 7-40 Hp | 3-cyl, 45-60 Hp | 4-cyl, 50-175 Hp | 6-cyl, 200-350 Hp | V6, 135-250 Hp outboards.
ID: 0.875″ | OD: 1.0625″ | W: 0.09375″
also crosses with:
Sierra: 18-7153-9
Barr: MC47-25-25439
GLM: 81180
Mallory: 9-76505
UPC: 840080417608