Locknut 7/16-20
OEM: Mercury
Replaces: Mercury 859116 | 34933 | 134391 | 29241 | 82671015 | 22178 | 95702 | 33962 | 46355 | 24648 | 21298
For all years All MerCruiser propshafts, gimble ring assemblies, driveshafts, and other applications.
also crosses with:
Sierra: 18-3721
GLM: 21170
Mallory: 9-72004
UPC: 840080477879