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      Mercruiser Electrical System Product Listings

      • Sierra 18-5966-1 Alternator
        $317.39
        $247.59

        Sierra 18-5966-1 Alternator The Alternator is constructed with a single groove pulley type. Fits: Mercruiser 12449 12449A1 817119A1 817119A4 92497 92497A3 98555A1 Supersedes 18-5966

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      • Mercury - Mercruiser 807213T Bracket-Starter
        $23.49
        $20.49

        Mercury - Mercruiser 807213T Starter Bracket Genuine OEM Mercury-Mercruiser part. Application: 3.0L GM 181 I/L4 (1998) - s/n 0L010042 thru 0L096999 3.0LX GM 181 I/L4 (1996 - 1997) - s/n 0F604000 thru 0K99999 Special Order Mercury Marine...

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      • Mercruiser 50-8M0095471 Starter Motor
        $374.99
        $329.99

        Mercury - Mercruiser 50-8M0095471 Starter Motor Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse requires an additional 1–3 business days to ship...

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      • Mercury - Mercruiser 8M0205478 Alternator
        $531.99
        $446.99

        Mercury - Mercruiser 8M0205478 AlternatorSpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics Guide...

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      • Sierra 18-5956 Alternator
        $292.99
        $228.49

        Sierra 18-5956-1 Mercruiser Alternator Sierra alternators meet or exceed USCG safety requirements and are 100% load tested for assured reliability. This Sierra Alternator is equipped with fan and drive pulley. Equipped with fan and drive pulley 1 Wire...

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      • Sierra 18-5510 Inboard Starter
        $312.99
        $275.49

        Sierra 18-5510 Inboard Starter Sierra replacement outboard starter for Mercruiser Stern Drives. Application: 4.5L and 6.2L Non-GM Engines Superior connection between the solenoid and the commutator brushes Updated planetary gear and clutch gear spring...

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      • Sierra 18-5983 Alternator
        $359.09
        $280.09

        Sierra 18-5983 Alternator Sierra replacement engine parts are engineered to meet or exceed OEM requirements. Amp Rating: 7SI/70 Mount Type: Hinge Pulley Type: Single Groove Fits: MCM 3.0L (s/n 0L382122 - 0M326292) Interchangeable...

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      • Mercury - Mercruiser 50-8M8021116 Starter Motor
        $597.49
        $501.99

        Mercury - Mercruiser 50-8M8021116 Starter Motor Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse requires an additional 1–3 business days to ship...

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      • Sierra 18-5724 Voltage Regulator
        $26.89
        $25.29

        Sierra 18-5724 Voltage Regulator Sierra replacement voltage regulator for Mercruiser Stern Drives. Interchangeable with: Mercruiser Stern Drive 78385

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      • Sierra 18-6949 Starter
        $377.19
        $271.59

        Sierra 18-6949 Starter Sierra replacement diesel Mecruiser Sterndrive starter. Fits: WO4CTA (150HP) HINO 234 I/L4, WO4CTI (210HP) HINO 234 I/L4 Fits: WO6DTA (310HP) HINO 351I/L6, WO6DTI (250HP) HINO 351 I/L6 Interchangeable with: Mercruiser Stern...

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      • Sierra OP24301 Oil Pressure Sender
        $54.49
        $39.19

        Sierra OP24301 Oil Pressure Sender Sierra replacement oil pressure sender. Thread Size: 1/8-27 Teminal Type: 10-32 stud Range: 100 psi Sender Code "C" Range-1 Gauge: 240 Ohms at 0 PSI Range-1 Gauge: 200 Ohms at 10 PSI Range-1 Gauge: 160 Ohms at...

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      • EMP 50-75415 Mercury-Mercruiser Starter Motor
        $441.60
        $368.00

        EMP 50-75415 Mercury-Mercruiser Starter Motor Fits: 75 EFI (4-STROKE) - 1B366823 THRU 2B094995 80 EFI (4-STROKE) - 0P459572 THRU 2B094995 80 EFI (4-STROKE) - 1B366823 THRU 2B094995 90 EFI (4-STROKE) - 1B366823 THRU 2B094995 100 EFI (4-STROKE) -...

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      • Mercury - Mercruiser 16-891725 Stud-Starter
        $9.99
        $8.99

        Mercury - Mercruiser 16-891725 Stud-Starter Genuine OEM Mercury-Mercruiser part. Application: CMD 4.2 MI 230 - [88030001 Through 88030344] CMD 4.2 ES 300 VM 254 I/L6 - [88050001 Through 88050643] CMD 4.2 MS 200 - [88020001 Through 88020166] CMD 4.2 EI...

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      • Mercury - Mercruiser 50-854178 Starter Motor
        $2,832.49
        $2,378.99

        Mercury - Mercruiser 50-854178 Starter Motor Genuine OEM Mercury-Mercruiser part. Application: Sterndrive - CMD 4.2 MS 200 - [88020001 Through 88020166] Inboard and TowSports - CMD 4.2 MI 200 - [88020001 Through 88020166] Sterndrive - D4.2L/200 LD VM...

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      • Mercury - Mercruiser 50-855507 Starter Motor
        $1,924.49
        $1,616.99

        Mercury - Mercruiser 50-855507 Starter Motor Genuine OEM Mercury-Mercruiser part. Application: Inboard and TowSports - CMD 2.8 EI 165 - [88005001 Through 88005167] Inboard and TowSports - CMD 4.2 EI 250 - [88040001 Through 88040508] Sterndrive - CMD 2.8...

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      • Mercury - Mercruiser 50-8M0066522 Starter Motor
        $1,729.99
        $1,452.99

        Mercury - Mercruiser 50-8M0066522 Starter Motor Genuine OEM Mercury-Mercruiser part. Application: TDI 4.2L 370 MCM - [CMC000200 & Up] TDI 4.2L 370 MIE - [CMC000200 & Up] TDI 4.2L 335 MIE - [CMC000200 & Up] TDI 4.2L - [CEM001042 & Up] TDI...

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      Mercruiser OEM Engine Parts Finder

      MerCruiser Electrical Systems

      The delicate balance of your MerCruiser electrical system is essential to maintain. Each part should be kept in tip-top shape to ensure your craft is ready to go when you are. Who wants to dive into the overwhelming task of diagnosing and repairing an electrical system issue? Like many other boaters have already, you can depend on all of the parts we carry here at Wholesale Marine for your MerCruiser electrical system.

      What You Need, When You Need It

      Depend on Wholesale Marine to provide high quality Mercury outboard parts and Mercury sterndrive parts from the top brands in the industry. Start your search with our handy Parts Selection Guide located at the top of this page. Simply select “MerCruiser” and then choose from the convenient drop-down menu that lays out each part we carry in a simple-to-read format. Perhaps an alternator is your need? We carry a wide range of Sierra and Mercury made inventory including alternators, voltage regulators, conversion kits, alternator brackets, and fuse kits, each depicting which part and model number it will replace. All that power is useless without a means to get it started. Not to worry. Wholesale Marine stocks plenty of starters, including diesel, in this one-stop-shop, along with bolts and brush sets. Don’t overheat or overrun your engine. Be sure your coolant, oil pressure, and temperature senders are all running at their best.

      Troubleshooting your boat’s electrical system can be complicated. We are here to help! Real boaters with first-hand experience make up the exceptional Wholesale Marine customer service team. Call us at (877) 388-2628 to answer your questions and guide you with your MerCruiser electrical system selection, Monday through Friday 8:30 AM to 4:30 PM, EST.  Remember, you can always depend on Wholesale Marine to provide high quality Mercury outboard parts and Mercury sterndrive parts from the top brands in the industry. We want to be sure that you are satisfied with your purchase and that you can make your choice with confidence. Any purchase made before 4 PM EST gets shipped that day, and we offer free shipping for orders of $99. Check out our Captain’s Club Rewards Program to start earning points towards future purchases.