Sterndrive Engineering

      • Mercruiser Alpha One Replacement Upper Unit 1.47
        $1,169.99
        $974.99

        Mercruiser Alpha One Replacement Upper Unit 1.47 1.47 Ratio also replaces 1.5 ratio Comes with a 9-9/16" [new style] input yoke. For alpha One Gen I Sterndrives (1972-1990) For use up to 300...

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      • Mercruiser Alpha One Replacement Upper Unit 1.62
        $1,169.99
        $974.99

        Sterndrive Replacement Upper Unit for Mercruiser R, MR, Alpha One 1.62 Ratio 1.62 Ratio also replaces 1.65 ratio Comes with a 9-9/16" [new style] input yoke. For Alpha One Gen I Sterndrives...

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      • SEI Mercruiser Alpha One Replacement Upper Unit 1.81
        $1,169.99
        $974.99

        SternDrive Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.81 Ratio 1.81 Ratio also replaces 1.84 ratio For Alpha One Gen I Sterndrives (1972-1990) Comes with a 9-9/16" [new style]...

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      • Mercruiser Alpha One Replacement Upper Unit 1.94
        $1,169.99
        $974.99

        Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.94 Ratio 1.94 ratio also replaces 1.98 ratio Comes with a 9-9/16" [new style] input yoke. 3 Year Manufacturer's...

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      • Mercruiser Gen II Replacement Upper Unit 1.47
        $1,289.99
        $1,074.99

        Sterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.47 Ratio For Mercruiser Alpha One Gen II Sterndrives 1991 - Present. SE116 1.47 Ratio also replaces the 1.5...

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      • Mercruiser Gen II Replacement Upper Unit 1.62 / 2.0
        $1,289.99
        $1,074.99

        Sterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.62 / 2.0 Ratio Replacement Upper Unit for Mercruiser Alpha One Gen II Sterndrives 1991- Current. SE116 1.62 Ratio...

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      • Mercruiser Gen II Replacement Upper Unit 1.81
        $1,289.99
        $1,074.99

        Sterndrive Engineering Mercruiser Gen II Replacement Upper Unit 1.81 Ratio Replacement Upper Unit for Mercruiser Alpha One Gen II Sterndrives 1991- Current. SE116 1.81 Ratio replaces the 1...

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      • Mercruiser Gen II Replacement Upper Unit 1.94 / 2.40
        $1,289.99
        $1,074.99

        Sterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.94 / 2.40 Ratios For Mercruiser Alpha One Gen II Sterndrives 1991 - Present. SE116 1.94 ratio also replaces the 1...

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