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      Mercruiser Lower Gear Housing Seal Kits Product Listings

      • Sierra 18-2646-1 Lower Unit Seal Kit Replaces 26-816575A3
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        $68.89
        $49.59

        Sierra 18-2646-1 MerCruiser Alpha One Gen II Lower Unit Seal Kit 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...

      • Sierra 18-2002 Oil Seal Replaces91252-ZW1-003
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        $15.59
        $12.19

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

      • Sierra 18-2652 Lower Unit Seal Kit Replaces 26-33144A2
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        $78.99
        $56.89

        Sierra 18-2652 MerCruiser Lower Unit Seal Kit Sierra high quality aftermarket parts are manufactured to meet or exceed OEM requirements. Fits: #1 Drives through Alpha 1963 - 1989 S/N 164188 & Up Interchangeable...

      • Sierra 18-2645 Lower Unit Seal Kit Replaces 26-76868A04
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        $181.09
        $117.69

        Sierra 18-2645-1 Mercruiser Lower Unit Seal Kit Sierra high-quality engine parts are designed to meet OEM specifications. Features all new and enhanced oil seals/o-rings for Bravo III drive compatibility. Matched to exceed OE form/fit/function...

      • Sierra 18-7157 O-Ring
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        $5.19
        $4.49

        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

      • Mercury - Mercruiser 26-816575A-3 Gear Housing Seal Kit
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        $166.49
        $104.99

        Mercruiser 26-816575A-3 Alpha One Gen II Gear Housing Seal Kit Genuine OEM Mercury - Mercruiser part. Application: Alpha One (Gen II) 1998 & up - s/n 0L100040 & up Alpha One (Gen II) 1991 - 1995 - s/n 0D469859 thru 0F679999 Special Order...

      • Sierra 18-2011 Oil Seal
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        $17.29
        $13.49

        Sierra 18-2011 Oil Seal Sierra replacement oil seal for Mercruiser Stern Drives and Mercury Marine engines. O.D.: 1.250" Shaft Size: 0.750" Width: 0.312" Interchangeable with: GLM 85080 Mallory 9-76107 Mercruiser Stern...

      • Sierra 18-2076 Oil Seal
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        $22.29
        $17.39

        Sierra 18-2076 Oil Seal O.D.: 1.690" or 42.9mm Shaft Size: 1.188" or 30.2mm Width: 0.360" or 9.1mm Type: Line Cutter Seal Interchangeable with: Chrysler/Force/US...

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