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Parts Selection Guide

Find the parts you need

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Prop Selection Guide

Find the right prop for your boat

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      Mercruiser Parts

      • Sierra 18-3647 Thermostat Kit Replaces 807252Q5
        $40.49
        $27.99

        Sierra 18-3647 160° MerCruiser Thermostat Kit Replaces 807252Q5 Kit Includes: Sie-18-3649 Thermostat Sie-18-2844 Thermostat Cover Gasket Sie-18-2552 Thermostat Cover Gasket Sie-18-2553 Thermostat Cover Gasket Sie-18-7173 O-Ring Sie-18-2917...

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      • Exhaust Manifold Gasket , Mercury - Mercruiser 27-33395
        $11.99
        $9.99

        Mercury - Mercruiser 27-33395 Exhaust Manifold Gasket Fits MCM/MIE GM V-8 (283, 305, 350,  and 377 CID) engines Replaces: GLM 31100 Mallory 9-61401 Felpro 17420 OMC 3852468 Redline RL0872 Sierra 18-0872

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      • Sierra 18-5898 Temperature Sender Replaces 97258A1
        $25.99
        $17.99

        Sierra 18-5898 Water Temperature Sender for Mercruiser, Crusader, OMC Used on most types of marine applications on sterndrive and inboard engines. Fits: MCM/MIE engines Specifications: Thread Size: 1/2" or 12.7mm -14 NPT Terminal Type:...

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      • Sierra 18-9200 Spline Grease Replaces 92-816391A4
        $9.49
        $7.49

        Sierra Pro Performance Spline Grease Sierra Pro Performance Spline Grease is specifically formulated for Marine applications. Premium lithium formulation for optimum corrosion protection in fresh and saltwater applications Ideal for marine trailer...

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      • Sierra 18-4349 Exhaust Manifold Gasket Set
        $35.99
        $25.49

        Sierra 18-4349 Mercruiser V8 Exhaust Manifold Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. For GM 200, 228, 230, 260, 898 (5.0 & 5.7L). Set Contains: (2) 18-0872 Exhaust Manifold Gasket (2) 18-0897...

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      • Sierra 18-2748 Exhaust Boot Replaces 32-44348001
        $42.49
        $29.99

        Sierra 18-2748 Mercruiser 4" Upper Exhaust Boot Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercruiser Stern Drive engines. Upper Tube: 4" Fits MCM 120, 140 & GM V-6 & V-8 engines Use with:...

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      • Sierra 18-7721 Fuel Filter Replaces 35-864572
        $55.99
        $38.99

        Sierra 18-7721 Mercruiser Fuel Filter Replaces 35-864572 Sierra replacement fuel filters are designed to meet OEM specifications. All Sierra Fuel Filters not only protect your engine, but are also over 90% efficient at removing engine damaging 10-micron...

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      • Sierra 18-2174 U-Joint Replaces 75832T1
        $65.99
        $49.99

        Sierra 18-2174 Heavy Duty U-Joint Cross and Bearing Sierra replacement heavy duty u-joint includes both a straight and a 90 degree grease fitting. Fits: Alpha I Units s/n B418819 & Above, also fits Alpha I SS & Bravo Interchangeable...

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      • Sierra 18-2111 Power Trim Hose Replaces 32-88006
        $186.49
        $130.99

        Sierra 18-2111 Power trim Lift hose for Mercury and Mariner Power Trim Systems Large diameter hose for all trim equipped, inline engines except models with power trim pump mounted between the engine clamp brackets. Length: 5'7" 1/4" O.D. 2 Required...

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      • Sierra 18-3317 Water Pump Kit Replaces 46-96148A8
        $68.49
        $47.99

        Mercruiser Pre-Alpha Water Pump Housing Kit by Sierra For #1/R Units without flush S/N 2763442 - 6854392 Pre-Alpha Mercruiser Drives. Models which have been retro fitted with an Alpha style ( no preload pin on top of driveshaft) must use Kit # 18-3320...

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      • Sierra 18-2100 Gimbal Bearing Replaces 30-879194A02
        $91.19
        $75.99

        Sierra 18-2100 Heavy Duty Gimbal Bearing Sierra replacement heavy duty gimbal bearing. Sierra engine parts are manufactured to meet or exceed OEM requirements. Key Features: Link Belt Greasable Fits all OMC, Cobra, and King Cobra...

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      • Seloc Service Manuals Mercruiser Sterndrives 1964 - 1991
        $71.49
        $46.49

        Seloc Marine Manuals: The most comprehensive information available. Simple to follow illustrated procedures. Hundred of drawings, exploded views, photos and tables. Troubleshooting, specifications and wiring diagrams. Over 40 titles covering...

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      • Sierra 18-3668 Thermostat Kit
        $44.99
        $31.49

        Sierra 18-3668 Thermostat Kit for Mercruiser Stern Drives For Mercruiser engines using 142 degree thermostats Fits 1983 & newer GM V-6 & V-8 engines with standard cooling Includes: (1) Thermostat Cover Gasket (18-2552) (1) Thermostat...

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      • Magnesium Trim Tab Anode
        $24.49
        $16.99

        Sierra 18-6241 Magnesium Trim Tab Anode for Mercruiser, Mercury Sierra high quality aftermarket marine parts are manufactured to meet or exceed OEM requirements. Magnesium trim tab anodes should be used in fresh water only and with aluminum props...

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      • Restrictor Elbow Gasket, Mercury - Mercruiser 27-863724
        $14.99
        $12.49

        Mercury - Mercruiser 27-863724 Restrictor Elbow Gasket Fits Center Riser manifolds. Commonly used on all raw water cooled engines. Creates back pressure by restricting the water flow, keeping the manifold full. For: 185, 205, 229 & 262 CID V-6...

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      • Sierra 18-2110 Power Trim Hose Replaces 32-88005
        $96.49
        $67.49

        Sierra 18-2110 Power Trim Hose for Mercury/Mariner Outboards Trim cylinder to control valve Small diameter hose for all trim equipped, inline engines except models with power trim pump mounted between the engine clamp brackets. Length: 5'1" 1/8" I...

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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.