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guidebook

Parts Selection Guide

Find the parts you need

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  • 1) Engine Manufacturer:
  • 2) Part Type:
  • 3) Select Model:

Prop Selection Guide

Find the right prop for your boat

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  • Engine Manufacturer:
  • Engine Horsepower:
  • Engine Model:
  • Engine Year:
  • Prop Pitch:

Mercruiser Control Cables

Mercruiser Anodes

Mercruiser Cooling System

Mercruiser Electrical System

Mercruiser Fuel System

Mercruiser Gearcase & Drive Parts

Mercruiser Ignition System

Mercruiser Internal Engine Parts

Mercruiser Oil & Filters

Mercruiser Replacement Engines

Mercruiser Service Manual

Mercruiser Specialty Tools

Mercruiser Trim System

Mercruiser Propellers

Mercruiser Prop Hardware

Mercruiser Service Kits

Mercruiser Alpha One Gen1 Parts

Mercruiser Alpha One Gen2 Parts

      Mercruiser Parts

      • Sierra 18-3650 Thermostat Kit
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        Sierra 18-3650 Thermostat Kit

        $35.99
        $24.99

        Sierra 18-3650 Mercruiser 140 Degree Thermostat Kit  For Mercruiser Sterndrive engines using 140 degree thermostat. Fits 1998 & older MCM GM In-Line 4 & 6 cylinder engines. Kit Includes: (1) 18-2831 Thermostat Gasket (1) 18-3550...

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      • Sierra 18-8803-2 Wiring Plug Set Replaces 84-816761Q9
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        Sierra 18-8803-2 Wiring Plug Set Replaces 84-816761Q9

        $70.99
        $49.99

        Sierra 18-8803-2 Premium 8 Cyl Spark Plug Wire Set Sierra 18-8803-2 Premium Spark Plug Wire set is for 8 cylinder engines with conventional ignition systems. Used on Mercruiser and OMC V8 GM and Ford marine engines. Features: Kit includes coil...

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      • Sierra 18-2751 U-Joint Bellows Replaces 60932A4
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        Sierra 18-2751 U-Joint Bellows Replaces 60932A4

        $66.99
        $46.99

        Sierra 18-2751 Mercruiser U-Joint Bellows Sierra high quality replacement u-join bellows for Mercruiser Stern Drives. All Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Fits: MC-I, R, MR, Alpha One &...

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      • Sierra 18-5352 Distributor Cap Replaces 392-9766Q1
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        Sierra 18-5352 Distributor Cap Replaces 392-9766Q1

        $33.49
        $23.49

        Sierra 18-5352 Distributor Cap Replaces 392-9766Q1 Replaces: Volvo - 841070, 3853815 Johnson/Evinrude - 984401 OMC - 0984401,3853815 Mercrusier - 392-9766Q1, 392-9766, 392-9766T, FI6900185 Pleasure Craft - RA108003 Crusader - 41076 Chrysler -...

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      • Sierra 18-8804-1 Wiring Plug Set Replaces 84-816608Q61
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        Sierra 18-8804-1 Wiring Plug Set Replaces 84-816608Q61

        $75.99
        $52.99

        Mercruiser Thunderbolt V8 Spark Plug Wire Set by Sierra For 8 cylinder engines with Thunderbolt ignition systems.   Kit includes coil wire. Kevlar® core for maximum durability and long life. Durable stainless steel wound conductor for...

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      • Mercury/Mercruiser 91-8M0072135 Gear Lube Pump
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        Mercury/Mercruiser 91-8M0072135 Gear Lube Pump

        $13.49
        $11.99

        Mercury/Mercrusier 91-8M0072135 Gear Lube Pump OEM 91-8M0072135 Mercury Precision Gear Lube Pump. Fits all MerCruiser sterndrives and Mercury/Mariner Outboards except those models of Japanese origin. Also fits Mercury Speedmaster gear housings...

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      • Sierra 18-5443 Ignition Coil Replaces 898253T27
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        Sierra 18-5443 Ignition Coil Replaces 898253T27

        $116.99
        $81.99

        Sierra 18-5443 Ignition Coil Sierra 18-5443 Ignition Coil is a replacement part for Mercruiser, OMC, and Volvo Penta Sterndrives. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. Fits: 4 Cyl., GM V-6 & V-8 Engines...

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      • Mercury Black Max 13-1/4x 17P Propeller 48-77344A45
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        Mercury Black Max 13-1/4x 17P Propeller 48-77344A45

        $228.26
        $190.22

        Mercury Black Max Propeller 13-1/4 x 17P RH 48-77344A45 Mercury Black Max Propellers are well-balanced aluminum props. These propellers are a great choice for engines less than 250 HP with top speeds less than 50 MPH/80 KPH. Mercury Black Max...

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      • Sierra 18-5280 Tune Up Kit Replaces 811635Q2
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        Sierra 18-5280 Tune Up Kit Replaces 811635Q2

        $23.49
        $16.49

        Sierra 18-5280 Tune Up Kit for Mercruiser and OMC Stern Drives Sierra high-quality replacement parts are designed to meet OEM specifications.  In-Line 4 Delco EST Kit Includes: (1) 18-5361 Distributor Cap (1) 18-5406...

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      • Champion RV9YC Spark Plug
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        Champion RV9YC Spark Plugs

        $3.49
        $2.49

        Champion RV9YC Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RV9YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

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      • Water Pump Repair Kit, Mercury - Mercruiser 47-8M0100527
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        Mercury - Mercruiser 47-8M0100527 Water Pump Repair Kit

        $65.99
        $54.99

        Mercury - Mercruiser 47-8M0100527 Water Pump Repair Kit Fits: 40/45/50/60 Fourstroke BigFoot 60 (3cyl) Bigfoot 75 - 125 (all 3 & 4 cylinder 0A996142 & above) 75, 90, 115 Fourstroke V-200/225/250 (3.0L) Mercruiser Alpha One Gen II...

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      • NGK ITR4A15 Spark Plug
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        NGK ITR4A15 Spark Plug

        $15.49
        $10.99

        NGK ITR4A15 Spark Plug NGK Laser Iridium spark plugs offer the best combination of performance and longevity. The iridium tipped center electrode provides durability six times harder than platinum. NGK's high-grade pure alumina ceramic and 98% pure...

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      Mercruiser OEM Engine Parts Finder

      Mercruiser Parts: Genuine OEM Boat Motor Parts

      The Mercruiser sterndrive by Mercury Marine provides power to spare for every boating activity including fishing, watersports activities, and more. Routine maintenance is essential for optimal performance and successful boating every season. Keeping your Mercruiser sterndrive trouble-free is simple when you have the right resource for the right replacement parts.

      Wholesale Marine has everything you need to perform ongoing maintenance or repair your Mercruiser engine. If you’re a boat owner or boat mechanic, we’ve got you covered with both aftermarket and OEM Mercruiser parts.

      We Stock Mercruiser Routine Maintenance and Service Parts

      Ongoing maintenance is essential to extending the service life of your boat’s sterndrive. Your Mercruiser service manual will outline routine maintenance intervals to keep your engine in top shape. In addition to service parts, we also carry replacement parts for those looking to rebuild or repair their Mercruiser engine.

      Our selection of Mercruiser service parts includes oil filters, water pump impellers, spark plugs, fuel filters, and more. In addition to individual service parts, we also offer Mercruiser service and oil change kits. These kits contain everything you need to service your sterndrive engine at the appropriate service interval.

      Boaters needing to replace or repair old and worn parts on their MerCruiser will find everything they need at Wholesale Marine. OEM parts such as bellows, prop shafts, and gasket sets are available. We also offer complete replacement engines and drives.

      Whether it is Genuine MerCruiser OEM or aftermarket MerCruiser parts, we have what you need. Our marine engine part selection guide can help you locate just the right MerCruiser marine boat parts. Just enter your engine manufacturer and the part type to start viewing the list of applicable parts. The selector will sort through the catalogue of part numbers letting you view the right MerCruiser engine parts as well as suitable aftermarket parts.

      We offer a vast, ever growing catalogue of in stock and special order parts designed for Mercury MerCruiser engines. Our in stock OEM engine parts ship out fast, reaching most parts of the country in a matter of days. Special order parts can take 1-2 weeks depending on availability from Mercury MerCruiser.

      Can't find or unable to locate the engine part you need? Our team can view the MerCruiser parts catalog and schematics to ensure you order the correct part. Using your serial number they can look up the correct OEM part you need for your MerCruiser engine. Our experts can find the correct part and accessories you need for your MerCruiser boat motors.

      Still have questions, contact our experienced customer service team at 877-388-2628 Monday through Friday from 8:30 AM until 4:30 PM EST. Our team is more than happy to do the research to get you back out on the water.