Sierra 18-3720 Stainless Steel Locknut Replaces 11-82671013 - MW
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Sierra 18-3720 Locknut Stainless Steel 3/8" for Mercury & Mercruiser
Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser Stern Drives, Mercury Marine engines, and Mercury Race Outboards.
- Material: Stainless Steel
- Thread Size: 3/8" - 24
Interchangeable with:
- GLM
- 21160
- Mallory
- 9-72002
- 9-72002-10
- Mercruiser Stern Drive
- 11-34932
- 11-82671013
- Mercury Marine
- 11-34932
- 11-82671013
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

