Washer
OEM: Mercury
Replaces: Mercury 8M0027721 | 866451 | 86645
For 1977 & later Mercury/Mariner 2-cyl, 8-40 Hp; 3-cyl, 40-50 Hp; 4-cyl, 50 Hp outboard water pumps.
also crosses with:
Sierra: 18-2560
GLM: 31210
Mallory: 9-72009
UPC: 840080409405