O-Ring
OEM: Mercury
Replaces: Mercury 201951 | 20195 | F40342
For before 1960/1973-81 Mercury/Mariner 2-cyl, 20-50 Hp | 3-cyl, 70-90 Hp | 4-cyl, 105-135 Hp outboards.
ID: 0.5″ | OD: 0.6875″ | W: 0.0937″
also crosses with:
Sierra: 18-7134-9
GLM: 81120
Mallory: 9-76512, 9-76511
UPC: 840080478999