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Sierra 18-3918 Mercury Marine Piston Rings
Sierra high-quality engine parts are designed to meet OEM specifications.
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Sierra 18-3982 Standard Piston Rings For Mercury Outboards Sierra high-quality engine parts are designed to meet OEM specifications. 18-3982 Piston Rings are for Mercury and Mariner Crossflow and...Add to Cart
Sierra Piston Ring Kit for Mercury/Mariner Engines 3 Ring, Low Dome Bore Size 2.890 / .015 Fits: Mercury and Mariner 35-140 hp, 2-6 Cyl Replaces: OEM - 39-78811A12 Mallory - 9-54219 Pro Marine -...Add to Cart