Quad Ring
OEM: Mercury
Replaces: Mercury 455771 | 45577B1 | 45577 | 45577B
For 1967-2013 MC-1, R/MR/Alpha One, Alpha One-SS, Alpha Gen II, Bravo, Bravo X, Bravo XR, Bravo XZ & Vazer gearcases.
also crosses with:
Sierra: 18-2944
GLM: 85140
Mallory: 9-76516, 9-76512
UPC: 840080428703