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Mercruiser Alternators

      • Sierra 18-5966 Alternator Replaces 817119A4
        List Price: $248.99
        Starting At: $153.45

        Fits 1982 and newer GM 4 cylinder engines; Single Groove; AMP Rating 55; also fits 1982 - 1996 GM V-6 & V-8 engines. Replaces: Pro...

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      • 55 Amp Mando Alternator (Black), Mercury - Mercruiser 817119A-4
        List Price: $295.99
        Starting At: $246.43

        55 Amp Mando Alternator (Black), Mercury - Mercruiser 817119A-4 Mando 55 amp, v-belt application Fits 1982 and newer GM 4 cylinder engines; also fits 1982 - 1996 GM V-6 & V-8 engines. Replaces: Pro Marine 60050, 3144M Sierra 18-5966

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      • Sierra 18-5957 Alternator Replaces 78403A2
        List Price: $256.99
        Starting At: $179.99

        68 Amp Alternator for Mercruiser, OMC, Volvo Replaces Mando, Motorola And Original Equipment Delco, uses Same Electrical Connections And Mounting Method. Equipped With Fan And Drive Pulley. 3 Wire connection Replaces: Mercruiser -...

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      • Sierra 18-5967 Alternator
        List Price: $271.49
        Starting At: $189.45

        Sierra 18-5967 Mercruiser Alternator Sierra replacement alternator for Mercruiser Stern Drives. Sierra alternators meet or exceed USCG safety requirements and are 100% load tested for assured reliability. Pulley Type: Serpentine Amp Rating: 55 Fits...

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      • Sierra 18-5953-1 Alternator Conversion Kit
        List Price: $1,109.99
        Starting At: $667.95

        Mercruiser Alternator Conversion Kit by Sierra Includes new 68 amp alternator, mounting brackets 18-5968, pulley, wiring, hardware and instructions. Converts model 470 aluminum block. Mercrusier engines (serial number 4625580 & Up) with stator charging...

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      • Sierra 18-6298 Alternator
        List Price: $289.49
        Starting At: $202.49

        Sierra 18-6298 Mercruiser Alternator Sierra high-quality engine parts are designed to meet OEM specifications. All Sierra alternators meet or exceed USCG and SAE J1171 safety requirements and are 100% load tested for assured reliability. This Mercruiser...

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      • Sierra 18-5740 Voltage Regulator
        List Price: $97.18
        Starting At: $67.47

        Sierra 18-5740 Mercruiser Voltage Regulator Sierra high-quality engine parts are designed to meet OEM specifications. For Mando Alternators Interchangeable with: Arco VR785 GLM 72240 Mercruiser Stern Drive 42785

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      • Sierra 18-5968 Alternator Bracket
        List Price: $331.99
        Starting At: $208.45

        Sierra 18-5968 Alternator Bracket Replacement bracket for alternator conversion kit. Sierra high-quality engine parts are designed to meet OEM specifications.

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      • Sierra 18-5945 Alternator
        List Price: $365.99
        Starting At: $256.49

        Alternator - Special Order est. 10 Days

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      • Sierra 18-5946 Alternator
        List Price: $458.99
        Starting At: $290.95

        Alternator - Special Order est. 10 Days

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      Mercruiser Alternators

      Although we love the water, we don’t want to be caught stalled out on it with no power to start back up. We at Wholesale Marine have you covered with all sorts of high quality parts including MerCruiser alternators for your MerCruiser sterndrive engine. The alternator’s job in any system is to produce and maintain the mechanical energy needed to get you where you are going, so preventative maintenance and troubleshooting any issues from your alternator is key to a smooth boating experience every time.

      We carry an assortment of parts by Sierra that will keep your MerCruiser sterndrive engine running reliably for years. Whether you need to replace an alternator or are upgrading to a new MerCruiser alternator, we provide an easy-to-use tool for your convenience to navigate to the exact model that you require. Simply plug in your model number from the drop down menu to view the right alternator to fit your needs.

      We Have Everything You Need for Your Sterndrive

      Wholesale Marine has everything you need to make your alternator replacement smooth and flawless. We carry Sierra fuse kits, alternator conversion kits, voltage regulators, and alternator brackets to help you get your MerCruiser sterndrive engine out on the water faster.

      Ready to upgrade to a reliable MerCruiser alternator? Make your selection on our product pages then give one of our experienced boating professionals a call. Any order received by 4:00 PM EST, with the exception of our special order inventory ships out the same day. Wholesale Marine offers a price match guarantee so you’ll always receive the best price anywhere. Be sure to ask our customer service reps about Wholesale Marine’s Captain’s Club Rewards Program. Sign-up and begin accruing points for additional discounts the next time you shop at Wholesale Marine.