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Johnson/Evinrude, OMC

Nut 0121731

Satisfaction rating 5 out of 5 (3 Ratings)
CROSS SHIP Leaves in 3-5 days
  • Guaranteed fitment for 53 different models
  • This is an OEM part manufactured by Johnson/Evinrude, OMC
  • Flat rate shipping starting at $4.95
  • 30 day return policy

Product Description

Bombardier factory part. Search for more factory parts & parts diagrams.

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3 Product Reviews


The only place I could find what I needed!

1979 Evinrude 25HP

Repair Difficulty
Repair Time
2 to 4 hours
Easy process and fast shipping. Definitely recommend.

Problem fixed: Overheating

My motor started overheating so ordered water pump kit. Once i get into the repair i discovered a bad seal under the pump housing. After further inspection i found water in the lower gear case. So i then had to order more parts from Crowley. Fast shipping got me back on the water in no time

Product Fitment Grid

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

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Aftermarket Product Interchange

Name SKU Price Brand
Stainless Steel Locknut 18-3722 $2.49 Sierra Marine
Lock Nut (Min. Qty 5) 21180 $1.42 GLM Marine