Sierra 18-3704 Propeller Lock Nut
Replaces OEM part #
- MERCURY MARINE 11-69578
- MERCURY MARINE 11-69578Q1
- MERCURY MARINE 11-69578A1
- MERCURY MARINE 11-69578A2
Propeller Nut for Mercury, Mariner 11-69578A1 11-69578Q1, GLM 21240 21260
Q:
What is the thread size?
A:
Sierra can only match it up by engine application. There are no specs on this.
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