Riser Gasket
OEM: Mercury
Replaces: Mercury 997772 | 99777B2 | 997771 | 99777 | 52076
For 1968-98 4-cyl, 120-190 Hp | V8, 180-260 Hp GM & MIE engines.
also crosses with:
Sierra: 18-2833
Barr: MC47-27-99777
GLM: 31520
Mallory: 9-61407
OSCO: 52076
UPC: 840080418933