GLM 21240 replacement parts

Propeller Lock Nut - Sierra
Sierra 18-3704 Propeller Lock Nut
Your Price: $9.74
Save: $7.13
(42% Off $16.87)
Part # 18-3704 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 2 hrs 0 mins.
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

Sierra
Average Customer Review for Sierra 18-3704 Propeller Lock Nut
Full StarFull StarFull StarFull StarFull Star Based On 2 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarGood to go
by Johnson from Millbrook, Alabama on March 01, 2015
Machine work, materials and fit were top drawer.
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Full StarFull StarFull StarFull StarFull StarGreat 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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