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Sierra 18-3918 Mercury Marine Piston Rings
Sierra high-quality engine parts are designed to meet OEM specifications.
- Bore Size: 2.875 / Standard
- For 2 ring pistons
Interchangeable with:
- GLM
- 14210
- Mercury Marine
- 39-817096A6
- Wiseco
- 2875KD
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-3918 Piston Rings
- Product MPN
- 18-3918
- Product UPC
- 30999621634
- Interchangeable with:
- GLM 14210
- Interchangeable with:
- Mercury 39-817096A6
- Interchangeable with:
- Wiseco 2875KD
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Sierra 18-3972 Piston Rings Sierra replacement piston rings for Johnson/Evinrude Outboards. Bore Size: 1.937 / Standard Interchangeable with: Johnson/Evinrude Outboard 390082
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