Mercruiser Parts

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Parts Selection Guide

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      • MPI Products USCG Type A Marine Fuel Hose
        List Price:
        Starting At: $3.23

        This premium quality fire-retardant fuel hose meets or exceeds all requirements of new ISO 7840 and SAE J5127 standards required by USCG, ABYC and NMMA. Inner tube material provides extraordinary resistance to gasoline, diesel and alcohol-enhanced fuels...

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      • Quicksilver High Performance Gear Lube
        List Price: $7.98
        Starting At: $7.58

        Quicksilver High-Performance Gear Lube SAE90 Quicksilver High Performance synthetic blend gear lube outperforms automotive gear oil in marine applications because of its specialized additive package design.  Continued use of this gear case...

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      • Quicksilver Conventional 25w-40 Engine Oil
        List Price: $7.72
        Starting At: $6.43

        Quicksilver Conventional 25w-40 Marine Inboard & Sterndrive Engine Oil Specifically formulated and developed to meet the needs of high-output sterndrive and inboard engines. Multi-viscosity 25W-40 oil formulated to eliminate thermal breakdown (no...

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      • Marine Products Fuel Fill Hose 1 1/2"
        Starting At: $13.62

        Sierra Shields Fuel Fill Hose 1-1/2" Fuel Fill - Gas Or Diesel For Pleasure Boats Only Resists gasoline/alcohol blends. Compounded for low permeation. Reinforced with wire helic imbedded between plies of HD synthetic cord Abrasion...

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      • Sierra 18-4226 Drain Plug Replaces 22-806608A02
        List Price: $4.49
        Starting At: $2.72

        Sierra 18-4226 Mercruiser Blue Plastic Drain Plug This Sierra 18-4226 drain plug is widely used for Mercruiser V4, V6 and V8 marine engines. Fits Mercruiser cylinder blocks and exhaust manifolds Comes complete with o-ring Interchangeable...

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      • Marine Products Fuel Vent Hose 5/8"
        Starting At: $4.70

        Marine Products Fuel Vent Hose 5/8" Fuel Vent Lines - Gasoline up to 85% ethanol blended fuel, diesel fuel Meets USCG Type A2 Requirements For Pleasure Boats Resists gasoline/alcohol blended fuel Fire resistant Weather/UV resistant NBR/PVC...

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      • TFXtreme 3300/33C Type Universal Control Cable
        List Price: $45.49
        Starting At: $26.95

        TFXtreme 3300/33C Type Universal Control Cable Universal type cables are designed to fit aftermarket engine controls as well as OEM units from BMW, Chrysler, Honda, Nissan, Suzuki, Volvo, Yamaha and others. With it’s unique splined core TFXtreme...

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      • 12-19183-3
        List Price: $1.03
        Starting At: $0.86

        Drain Screw Gasket - Blue , Mercury - Mercruiser 12-19183-3 Used with the 3/8 - 16 drain/fill screw found on all Mercruiser and most Mercury/Mariner outboards except those of Japanese origin.

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      • Sierra 18-2945-9 Drain Screw Gasket (2Pk) Replaces 12-191833
        List Price: $2.78
        Starting At: $1.53

        Sierra 18-2945-9 Drain Screw Gasket (2 pack) This Sierra 18-2945 Drain Screw Gasket is used with 3/8-16 drain/fill screw found on all Mercruiser and most Mercury/Mariner O/Bs. This gasket is used in most lower units and sea water pumps. Sold as a 2...

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      • Filter-Oil , Mercury - Mercruiser 35-866340Q03
        List Price: $9.77
        Starting At: $8.14

        Filter-Oil , Mercury - Mercruiser 35-866340Q03 The 866340Q03 oil filter fits all Mercury MerCruiser and Mercury inboard engines, except V-6 models with filter mounted on the engine block...

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      • Champion QL77JC4 Spark Plug
        List Price: $4.37
        Now: $3.06

        Champion QL77JC4 Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion QL77JC4 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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      • Sierra 18-7824-2 Oil Filter Replaces 35-866340Q03
        List Price: $8.99
        Starting At: $5.81

        Sierra Oil Filter for Sterndrive and Inboard Engines Sierra oil filters are engineered with premium grade materials that will not only withstand but excel in the extreme environment of the marine world. Sierra ensures the excellent performance of their...

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      • 19-889725
        List Price: $2.05
        Starting At: $1.71

        PVS Vent Plug, Mercury - Mercruiser 19-889725 Solid PVS vent plug (A46 A47 A48 P/N suffix) Superseded from 19-856622

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      • Sierra 18-2619-1 Outdrive Gasket Set Replaces 27-94966Q2
        List Price: $8.99
        Starting At: $5.22

        Sierra 18-2619-1 Mercruiser Outdrive Gasket Set Sierra high quality engine parts are designed to meet or exceed OEM requirements. For Mercruiser R, MR, Alpha and Alpha One Gen II Outdrives (1983 and Newer) (s/n 6225577 & up). Kit Includes: (1)...

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      • Quicksilver Synthetic Blend Sterndrive Inboard Oil
        List Price: $9.60
        Starting At: $8.00

        Synthetic Blend Quicksilver/Mercury (25W-40) Engine Oil Specifically formulated and developed to meet the needs of: High-output sterndrive and inboard engines. Developed for the rigors of the marine environment. Industry-leading corrosion...

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      • Teleflex CCX179 TFXtreme Control Cable Mercury
        List Price: $45.49
        Starting At: $30.45

        Teleflex CCX179 TFXtreme Control Cable Mercury With it’s unique splined core TFXtreme delivers unparalleled smoothness and efficiency - with hardly any lost motion - even in the longest and most complex cable routings. This gives superior feel at...

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      • Mercury-Mercruiser 35-866340K01 Oil Filter
        List Price: $9.77
        Starting At: $8.14

        Mercury-Mercruiser 35-866340K01 Oil Filter Mercury OEM oil filters screen particles smaller than 1/1000th of an inch, keeping engine oil cleaner for longer. Standard Mercury Oil Filters should be changed every 100 hours. Application: Mercruiser...

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      Mercruiser Engine Parts

      For fishing, boating, boat racing, and watersport activities, the MerCruiser sterndrive provides ample power for every boating activity. Maintaining your MerCruiser sterndrive well, however, is key to its performance and your continued boating pleasure. Keeping your MerCruiser sterndrive trouble free is easy when you know where to go for the right replacement MerCruiser parts. Wholesale Marine carries everything marine mechanics require to perform routine maintenance or make simple or complex repairs to almost any MerCruiser sterndrive model. For boat owners and boat mechanics, when you need replacement MerCruiser engine parts, come to us!

      Since the 1950s, the MerCruiser by Mercury has been one of the most popular sterndrive manufacturers. Known for their performance and reliability, it is easy to take your MerCruiser sterndrive, made by one of the industry leaders, for granted. Here are some basics to understand, even if you do not plan on performing maintenance and/or repairs yourself.

      Key Mercruiser Parts That Require Routine Maintenance

      Routine maintenance is key to extending the life of your sterndrive. It’s best to refer to your MerCruiser Service Manual for guidance. We discourage boat owners from performing the actual work themselves; this is not a job for amateurs. But troubleshooting after every voyage will help to find possible problems before these become major expenses.

      Most sterndrive engines are constructed from parts that include metal alloys. These can corrode through a process called galvanization. Regardless of its name, corrosion must be avoided. One way to accomplish this is to apply a superior antifouling product. Wholesale Marine stocks a full line of these products and we’ll be glad to advise you on the product that is best for your sterndrive.

      Drives have bearings that permit rotations. The drives are usually made from a steel/aluminum alloy that requires frequent lubrication to prevent corrosion. We recommend Mercury 2-4-C Marine Lubricant with Teflon for superior protection. Gear oil must also be checked regularly. Located just below the round gear housing you can access it by using a slotted screwdriver. Back out the plug until it loosens and some oil starts to run out. Translucent = good; milky means water has compromised your oil. Then it is time to have your seals replaced.

      Next, check your propeller shafts by rotating them. If these are not rotating perfectly straight, a bent shaft which requires immediate replacement could be the culprit. Lastly, check the bellows hoses for the drive shaft and shifting controls. These must have water-tight seals as well. Raise the drive and inspect them looking for signs of cracking and fouling. Rout any sign of algae or barnacles which can easily destroy the bellows. Check their clamps for rust and replace if necessary.

      Find something amiss? Want to know what Mercruiser parts to order? Use Wholesale Marine’s engine parts locator form or give us a call and we’ll be glad to assist. Marine Mechanics and DIYers know that Wholesale Marine is your one-stop Mercruiser engine parts shop! If you have a question or are ready to order, give us a call at (877) 388-2628. We’re here from 9AM to 6PM Monday through Friday and welcome your call! Looking for even more savings on top quality marine products? You’ve come to the right place. Ask our customer service reps about our Captain’s Club Rewards Program for additional savings the very next time you shop at Wholesale Marine.