
Sierra 18-3979 Piston Rings Sierra replacement piston rings for Mercury Marine Outboards. Bore Size: 3.375 / Standard Interchangeable with: GLM 14910 Mallory 9-54229 Mercury...
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Add to CartSierra 18-3918 Mercury Marine Piston Rings
Sierra high-quality engine parts are designed to meet OEM specifications.
Interchangeable with:
California Residents:
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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