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Mercury Outboard Gaskets

      • Sierra 18-0879 Adapter Plate Gasket
        List Price: $6.41
        Starting At: $4.87

        Sierra 18-0879 Adapter Plate Gasket Sierra replacement adapter plate gasket for use on Mercury/Mariner Outboard Engines. Interchangeable with: GLM 31400 Mallory 9-60042 Mercury Marine 27-385011 27-38501 27-37724

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      • Sierra 18-0372 Cylinder Block Cover Gasket
        List Price: $9.67
        Starting At: $7.35

        Sierra Cylinder Block Gasket Special Order est. 10 Days For use on 20 HP Mercury/Mariner engines Replaces:  27-78410

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      • Sierra 18-2741 Exhaust Cover Plate Gasket
        List Price: $12.65
        Starting At: $8.86

        Sierra 18-2741 Exhaust Cover Plate Gasket For use on Mercury/Mariner Outboard Engines:  65 Jet, 75hp 3 cyl., 90hp 3cyl Interchangeable with: GLM 37650 Mercury...

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      • Sierra 18-0940 Baffle Plate To Exhaust Gasket
        List Price: $6.71
        Starting At: $5.44

        Sierra 18-0940 Baffle Plate To Exhaust Gasket Sierra replacement baffle plate to exhaust gasket for use on Mercury Marine engines. Interchangeable with: GLM 32930 Mercury...

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      Mercury Outboard Gaskets and Seals