This product has been discontinued.
Sierra
Sierra 18-3704 Propeller Lock Nut
Price: $15.95
Discontinued
Save: $5.24
(24% Off $21.19)
Part # 18-3704
(Discontinued)
This item is found in the following Product Families
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

Average Customer Review for Sierra 18-3704 Propeller Lock Nut
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Good to go
by Johnson from Millbrook, Alabama on March 01, 2015
Machine work, materials and fit were top drawer.
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Great ser.
by Mike from Hopkinsville, Kentucky on August 16, 2013
Great
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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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