This product has been discontinued.
Sierra
Stainless Steel Propeller Lock Nuts - 18-3721-9 - Sierra
Price: $12.34
Discontinued
Save: $6.65
(35% Off $18.99)
Part # 18-3721-9
(Discontinued)
This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 11-34933
Package of 5
Thread Size 7/16" - 20
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Based On 1 Review | Write Review
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wrong size
by Philippe from Aurora, Illinois on August 05, 2013
We were shipped the wrong nuts. Not satisfied with this part of the service
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