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      • Mercury - Mercruiser Starter Assembly 50-863007A-1
        $313.19
        $260.99

        Mercury - Mercruiser 50-863007A-1 Starter Assembly for Mercury - Mercruiser Engines The Quicksilver Starter Assembly 50-863007A-1 is a reliable replacement part specifically engineered for Mercury-Mercruiser marine engines. This 11-tooth pinion starter...

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      • Sierra 18-5897 Temperature Sender Replaces 806490T
        $35.49
        $24.99

        Sierra 18-5897 Water Temperature Sender for Mercruiser, Volvo, OMC Water Temperature Sender for Mercruiser, Volvo and OMC 4cyl, 6cyl and Small Block V8 Engines using 3/8"-18NPT. Thread Size: 3/8" or 9.5mm -18 NPT Terminal Type: 10-32...

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      • Sierra 18-8402-1 Starter Bolt
        $12.49
        $9.49

        Sierra 18-8402-1 Starter Bolt Sierra replacement starter bolt for Mercruiser Stern Drives. Length: 4-3/8" Thread Size: 3/8" - 16 Interchangeable with: Mercruiser Stern Drive 10-8053432 10-813642

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      • Quicksilver 806490T Water Temperature Sender Thumbnail Image
        $41.99
        $34.99

        Quicksilver 806490T Water Temperature Sender Engine water temperature gauge sender 806490T is for use with MerCruiser sterndrive and inboard engines. See your owner's manual or service manual for specific applications and replacement instructions...

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      • Sierra 18-8220 Fuse Kit Replaces 88-79023A91
        $40.99
        $28.99

        Sierra 18-8220 Mercruiser 90 Amp Fuse Kit For use with SIE-18-5953 alternator conversion kits installed on Mercruiser 470 and 3.7L aluminum block engines serial number 6902288 and Up. Amp Rating: 90 Mounting Hole: 13/32" Use with: 18-5953...

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      • Sierra 18-5802 Starter Solenoid Replaces 65057T1
        $41.99
        $29.49

        Sierra 18-5802 Starter Solenoid for Mercruiser Stern Drives Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Arco SW981 GLM 72410 Mallory 9-15106 Mercruiser Stern...

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      • Sierra 18-5836 Starter Solenoid Replaces 25661T1
        $41.99
        $31.99

        Sierra 18-5836 Solenoid Switch for Mercury, Mercruiser Sierra high-quality replacement parts are designed to meet OEM specifications. Interchangeable with: Arco SW661 GLM 72480 Mallory 9-15103 Mercruiser Stern...

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      • Sierra 18-5911 Starter Replaces 50-808011A05
        $334.49
        $233.99

        Sierra 18-5911 Heavy-Duty Starter for Mercruiser, Volvo, OMC Sierra heavy-duty marine starters are assembled using high-quality corrosive resistant materials for a long life. Marine units are sealed to prevent water intrusion and corrosion. Replacement...

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      • Sierra 18-5811-1 Starter Solenoid
        $66.49
        $50.49

        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 outboard applications. For 75/90 (1.5L) through 225HP...

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      • Bottom of the Quicksilver 807652T MerCruiser V6/V8 96-99 Alternator
        $377.99
        $328.99

        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 it is recommended to consult your owner's manual for...

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      • Sierra 18-5960 MerCruiser 65 Amp Alternator
        $347.99
        $243.99

        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 reliability. Pulley Type: Serpentine Amp Rating:...

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      • Sierra 18-8404-1 Starter Bolt
        $6.49
        $4.99

        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 Drive 10-8053434

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      • Sierra 18-6298 Alternator
        $340.49
        $238.49

        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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      • EMP 50-35863 MerCruiser, Volvo, OMC, boat starter
        $182.39
        $151.99

        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 14" flywheels, 11 tooth and offset bolt pattern. For...

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      • Mercury - Mercruiser 89-8M0185149 Solenoid
        $55.49
        $34.99

        Mercury - Mercruiser 89-8M0185149 Solenoid Genuine OEM Mercury-Mercruiser part. Flat Mounting Plate Fits: In-Line 6 Outboards & Mercruiser Engines Supersedes: 96054T Special Order Item

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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.