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Yamaha Outboard Pistons & Rings

      • Sierra 18-3978 Piston Rings
        List Price: $7.86
        Starting At: $2.78

        Sierra 18-3978 Mercury Piston Rings Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Mercury Marine 39-15322M

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      • Sierra 18-4135 Piston Kit
        List Price: $53.99
        Starting At: $27.16

        Sierra 18-4135 Piston Kit Sierra replacement piston kit for Yamaha Outboards and Mercury Marine engines. Supplied complete with piston, rings, wrist pin, and circlips. Size: Standard Includes (1) 18-3976 Piston Rings Interchangeable...

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      • Sierra 18-4141 Piston Kit
        List Price: $115.49
        Starting At: $71.95

        Sierra 18-4141 Piston Kit Sierra high-quality replacement Standard Size Piston Kit for Yamaha Outboards. Includes 18-3960 Piston Rings Interchangeable with: Mallory 9-53810 Wiseco 3030PS 3130PS Yamaha...

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      • Sierra 18-4142 Piston Kit
        List Price: $112.49
        Starting At: $56.79

        Sierra 18-4142 Yamaha Piston Kit Sierra high-quality engine parts are designed to meet OEM specifications. For use on Yamaha Outboard engines. Includes: 18-3961 Piston Rings Interchangeable...

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      • Sierra 18-3960 Piston Rings
        List Price: $73.49
        Starting At: $49.72

        Piston Rings - Special Order est. 10 Days

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      • Sierra 18-3969 Piston Rings
        List Price: $45.99
        Starting At: $34.99

        Piston Rings - Special Order est. 10 Days

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      • Sierra 18-4099 Piston Kit
        List Price: $153.99
        Starting At: $116.45

        Sierra 18-4099 Piston Kit Sierra replacement piston kit for Yamaha Outboards. Size: .50mm O.S. Interchangeable with: Mallory 9-53817 Wiseco 3031P3 3131P3 Yamaha Outboard 6H1-11636-03-00

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      • Sierra 18-4146 Piston Kit
        List Price: $102.99
        Starting At: $77.99

        Piston Kit - Special Order est. 10 Days

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