Sierra 18-3905 Johnson/Evinrude Piston Rings Sierra high-quality engine parts are designed to meet OEM specifications. Bore Size: 3.530 Interchangeable...

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...

Sierra 18-3966 Mercury Piston Rings Sierra high-quality piston rings for Mercury Marine engines. Sierra engine parts are backed by Sierra's unmatched manufacturer's warranty. Bore Size: 2.565 /...

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...

Sierra 18-3923 Piston Rings Bore Size 3.125 / .030 Interchangeable with: GLM 14260 Mallory 9-54235 Mercury Marine 38-85636A4 Wiseco 3155KD

Sierra 18-3906 Piston Rings Sierra high-quality marine parts are designed to meet OEM specifications. Fit Johnson/Evinrude Outboards and OMC Stern Drives. Bore Size: 3.520 Interchangeable...

Sierra 18-4637 Piston Kit Sierra replacement piston kit for Mercury Marine and Mercury Sport Jet engines. Bore Size: 3.500 / .015 Port Interchangeable with: GLM 14430 Mercury...

Sierra 18-3915 Johnson/Evinrude Piston Rings Sierra high-quality engine parts are designed to meet OEM specifications. For use on Johnson/Evinrude Outboards. Bore Size: 3.217 / ...