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      Mercruiser Electrical System Product Listings

      • EMP 89-02718 Mercury/MerCruiser Solenoid
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        $24.00
        $20.00

        EMP 89-02718 Mercury/MerCruiser Solenoid This solenoid is intended for use on Mercury & MerCruiser outboard engines and meets all OEM requirements. Solenoid Application: For 1976-1994 Mercury...

      • Sierra 18-6293 Alternator
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        $323.19
        $232.69

        Sierra 18-6293 Alternator Sierra replacement engine parts are engineered to meet or exceed OEM requirements. For MerCruiser Stern Drives. Features: Amp Rating: 7SI/70 Mount Type: Hinge Pulley...

      • Quicksilver 805218T Coolant Temp Sensor Thumbnail Image
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        $83.39
        $69.49

        Quicksilver 805218T MCM/MIE EFI Coolant Temperature Sensor Assy Quicksilver 805218T Engine Coolant Temperature Gauge Sender is designed for select MerCruiser EFI sterndrive and inboard engine...

      • Sierra 18-5837 Starter Solenoid Replaces 89-18080
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        $46.09
        $35.99

        Sierra 18-5837 Starter Solenoid for Mercruiser, Volvo, OMC Engines Sierra high-quality engine parts are designed to meet OEM specifications. For Delco Remy Starters Interchangeable...

      • Sierra 18-5603 Starter Replaces 50-808011A05 - Side view
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        $338.69
        $243.79

        Sierra 18-5603-1 MerCruiser Starter - Replaces 50-808011A05 Sierra high-quality starters are designed to meet OEM specifications. Sierra Marine starters are sealed to prevent water intrusion and...

      • Sierra 18-8404-1 Starter Bolt
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        $7.29
        $6.19

        Sierra 18-8404-1 Starter Bolt Sierra replacement starter bolt for Mercruiser Stern Drives. Thread Size: 3/8" (9.5mm) -16 Length: 1 11/16" or 42.9mm Interchangeable with: Mercruiser Stern...

      • Sierra 18-5811-1 Starter Solenoid
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        $70.49
        $54.99

        Sierra 18-5811-1 Starter Solenoid Sierra replacement engine parts are designed to meet OEM specifications. The 18-5811 Solenoid fits MCM Delco Remy PG260 series starter and is found in numerous...

      • Bottom of the Quicksilver 807652T MerCruiser V6/V8 96-99 Alternator
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        $392.99
        $345.99

        Quicksilver 807652T MerCruiser V6/V8 96-99 Alternator Quicksilver offers an exact replacement for select MerCruiser inboards and sterndrives with a GM engine. This alternator is easy to install but...

      • Sierra 18-6298 Alternator
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        $363.69
        $261.79

        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...

      • Sierra 18-5960 MerCruiser 65 Amp Alternator
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        $383.39
        $275.99

        Sierra 18-5960 Mercruiser 65 Amp Alternator Sierra replacement alternator for Mercruiser Stern Drives. Sierra alternators meet or exceed USCG safety requirements and are 100% load tested for assured...

      • EMP 50-35863 MerCruiser, Volvo, OMC, boat starter
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        $201.60
        $168.00

        EMP 50-35863 Volvo/MerCruiser Boat Starter This EMP electric starter is an aftermarket replacement engine part for MerCruiser, Volvo, and OMC. Boat Starter Application: For MerCruiser engines with...

      • Quicksilver 862031T-1 Alternator Thumbnail Image
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        $437.99
        $367.99

        Quicksilver 862031T1 MerCruiser 70 Amp Alternator The Quicksilver 862031T1 MerCruiser 70 Amp Alternator is an exact replacement alternator for select V6 and V8 MerCruiser sterndrive and inboard...

      • Mercury - Mercruiser 89-8M0185149 Solenoid Image
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        $38.99
        $34.49

        Quicksilver 89-8M0185149 Solenoid Quicksilver 8M0185149 Starter Solenoid is a replacement flat mounting plate solenoid designed for a wide variety of Mercury and Mariner outboards and MerCruiser...

      • Sierra 18-5965 65 Amp Alternator Replaces 805884T
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        $329.29
        $237.09

        Sierra 18-5965 MerCruiser 65 Amp Alternator  Features: Equipped With V-belt Pulley Amp Rating: 65 Interchangeable...

      • Sierra 18-5903 Remanufactured Starter Replaces 50-12872
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        $303.99
        $218.89

        Sierra 18-5903 Ford Starter for Mercruiser, Volvo, OMC Bottom Mount, 2 Bolt pattern for standard rotation Non-threaded top mounting hole (For threaded top, order 18-6276) For: 5.0 & 5.8 Late...

      • Sierra 18-5804 Starter Solenoid Replaces 13037
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        $74.39
        $53.59

        Sierra 18-5804 Starter Solenoid Sierra replacement starter solenoid for Delco Remy Starters. Sierra replacement parts are manufactured to meet or exceed OEM requirements. Interchangeable...

      • Sierra 18-5840 Solenoid
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        $63.39
        $45.59

        Sierra 18-5840 Solenoid Rated: 12 V Grounded Continuous Rating: 85A @ 12 VDC Steel housing copper contacts Interchangeable...

      • Sierra 18-7702 Air Charge Temperature Sender
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        $59.89
        $43.09

        Sierra 18-7702 Air Charge Temperature Sender Fits: Mercruiser V-6 & V-8 (350, 454, 496 & 502 cid) MPI engines Interchangeable with: Mallory 9-42406 Mercruiser Stern Drive 805223T OMC...

      • Mercury - Mercruiser 8M0230659 Sensor-Tps - Front
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        $124.99
        $109.99

        Mercury-MerCruiser 803148 Throttle Position Sensor The Mercury-MerCruiser 803148 Throttle Position Sensor is a genuine OEM replacement sensor for select MerCruiser MPI, Scorpion, Black Scorpion, 377...

      • Sierra 18-5740 Voltage Regulator
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        $104.59
        $81.59

        Sierra 18-5740 Mercruiser Voltage Regulator Sierra high-quality engine parts are designed to meet OEM specifications. For Mando Alternators Interchangeable...

      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 Wholesale Rewards Program to start earning points towards future purchases.