Sierra 18-3904 Piston Rings Replaces 0394930

Sierra 18-3910 Piston Rings for Johnson/Evinrude Engines Sierra high-quality engine parts are designed to meet OEM specifications. 3.000 std. Bore size Fits: 25-35 hp, 2 cylinder 60-75 hp,...

Sierra 18-3937 Standard Piston Ring Set Sierra high-quality marine parts are engineered to meet OEM specifications. All pistons are supplied complete with piston rings and wrist pin. Standard...

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

Sierra 18-3974 Piston Rings for Johnson/Evinrude Engines Sierra high-quality engine parts are designed to meet OEM specifications. .030 Over Bore Size 3.715 Port and Starboard...