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Mercruiser Drive O-Ring's & Seals

      • Sierra 18-2648 Upper Unit Seal Kit Replaces 26-32511A1
        List Price: $41.99
        Starting At: $15.73

        Mercruiser Upper Unit Seal Kit by Sierra For Mercruiser #1 Units R, MR and Alpha Sterndrives from 1963 to 1990 Also fits 888 Sterndrives S/N 1684188 & Up   Kit Includes: Sie-18-2945 Gear Housing Drain Screw Gasket Sie-18-0894 Water Pocket...

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      • Sierra 18-2646-1 Lower Unit Seal Kit Replaces 26-816575A3
        List Price: $73.99
        Starting At: $32.24

        Mercruiser Alpha I Gen II Lower Unit Seal Kit by Sierra Used On All Mercruiser Alpha I Gen II Lower Units 1991-Up Kit Includes: Sie-18-2599 Face Seal And Tool Sie-18-2564 Water Pump Base To Face Plate Gasket Sie-18-2566 Face Plate To Water Pump Cover...

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      • Sierra 18-2644 Upper Unit Seal Kit Replaces 26-88397A1
        List Price: $32.99
        Starting At: $21.45

        Sierra 18-2644 Mercruiser Alpha I Gen II Drive Shaft Housing Seal Kit Sierra high-quality engine parts are designed to meet OEM specifications. For Alpha I Gen II  Kit Contains: (1) 18-2003 Oil Seal (2) 18-2056 Oil Seal (1) 18-2715 Check...

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      • Sierra 18-2002 Oil Seal Replaces91252-ZW1-003
        List Price: $10.49
        Starting At: $7.27

        Sierra 18-2002 Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. O.D.: 1.692" Shaft Size: 1.188" Width: 0.250" Interchangeable with: Chrysler/Force/US Marine 26-76868 GLM 85130 Honda...

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      • Sierra 18-2652 Lower Unit Seal Kit Replaces 26-33144A2
        List Price: $50.49
        Starting At: $34.45

        Sierra 18-2652 Mercruiser Lower Unit Seal Kit Used on Mercruiser Sterndrive lower Units on #1 Drives through Alpha 1963 - 1989 S/N 164188 & Up Kit Includes: Sie-18-2919 Water Pump To Gear Housing Gasket Sie-18-3110 Grommet Sie-18-2002 Oil...

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      • Sierra 18-2003 Oil Seal Replaces 26-68493
        List Price: $20.49
        Starting At: $10.71

        Alpha Oil Seal for Mercruiser Bearing Carrier Seal for R, MR, Alpha Drives up to 1990. Replaces: Mercury - 26-823894 GLM - 85030 Mallory - 9-76102 OMC - 0508700

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      • Sierra 18-0577 Carrier Oil Seal Assembly
        List Price: $49.49
        Starting At: $30.45

        Sierra 18-0577 Mercruiser Carrier Oil Seal Assembly Sierra Carrier Oil Seal Assembly fits IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One & Gen II. Interchangeable with: GLM 28370 Mallory 9-78100 Mercruiser Stern...

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      • List Price: $3.99
        Starting At: $2.86

        Sierra 18-7159 O-Ring I.D.: 3.855" or 98mm Width: 0.210" or 5.3mm Interchangeable with: GLM 83440 Mallory 9-76544 Mercruiser Stern Drive 25-48451 25-31534 Mercury Marine 25-31534

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      • List Price: $4.99
        Starting At: $2.40

        Sierra 18-7157 O-Ring I.D.: 3.500" or 88.9mm Width: 0.210" or 5.3mm Interchangeable with: GLM 83410 Mallory 9-76542 Mercruiser Stern Drive 25-29976 Mercury Marine 25-29976

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      • Sierra 18-8208 Seal & Bearing Kit
        List Price: $312.99
        Starting At: $218.99

        Complete Mercruiser Seal & Bearing Kit for MR Alpha drive by Sierra

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