Marine Oil

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      • Quicksilver Premium Gear Lube
        $7.49

        Premium Gear Lube Mercury Marine gear lube outperforms automotive gear oil in marine applications because of its specialized additive package designed for marine gear cases. Continued use of this gear case lubricant will: Provide maximum protection...

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      • Quicksilver 91-8M0072133 Gear Lube Pump
        $13.49
        $11.99

        Quicksilver 91-8M0072133 Gear Lube Pump Quicksilver universal gear lube pump. This pump fits any outboard or stern drive with a 3/8"-16 drain plug. The included adapter can be used for gear vases with a M8 x 1.25 drain plug. Use with quart or liter...

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      • Yamalube Marine Gearcase Lubricant - Quart Front
        $14.49
        $12.49

        Yamalube SAE 90, 80W90 Marine Gearcase Lubricant The Yamalube is a quality gearcase lube for marine environments and optimal performance. The formula features both rust and corrosion inhibitors that help protect bearings & internal components from...

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      • Sierra 18-9200 Spline Grease Replaces 92-816391A4
        $11.99
        $9.49

        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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      • Quart of Quicksilver Premium TC-W3 Outboard 2-Stroke Marine Oil
        $11.99
        $9.99

        Quicksilver Premium TC-W3 Outboard 2-Stroke Marine Oil Quicksilver Premium TC W3 Oil is formulated to provide excellent 2-stroke lubrication for all horsepower outboards and other 2-stroke water- or air-cooled engines. An exclusive formula designed to...

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      • Quicksilver 25W-50 4-Stroke Synthetic Marine Oil
        $56.39
        $46.99

        Quicksilver 92-8M0053664 25W-50 4-Stroke Synthetic Marine Oil The Quicksilver 25W-50 Synthetic Blend Oil is recommended for engines used in high performance applications. This oil provides maximum lubrication for your marine engine while also...

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      • Sierra Premium TC-W3 2-Stroke Marine Oil
        $9.19
        $7.99

        Sierra Premium TC-W3 2-Stroke Marine Oil Sierra TC W3 oil is a high performance lubricant that has been manufactured and designed to meet and exceed all (Domestic & Import) engine manufacturers warranties. The TC-W3 formula provides superior...

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      • Sierra 25W-40 4-Stroke Conventional Marine Oil
        $11.49
        $9.99

        Sierra Marine 25W-40 4-Stroke Conventional Marine Oil 25W-40 4 STROKE MARINE STERN DRIVE ENGINE OIL has been formulated to provide excellent lubrication and corrosion protection. Stern drive and inboard engines operate under high load and running...

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      • Volvo 10W-40 Synthetic Engine Oil - Gal
        $17.83
        $15.50

        Volvo 10W-40 Synthetic Engine Oil Volvo ASE 10W-40 fully synthetic gasoline engine oil is catalytic converter approved. Sizes Available: 21681794 - Quart 21681795 - Gallon

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      • Mercury 858027K01 Premium Plus 2-Stroke Marine Oil - Gallon
        $43.19
        $35.99

        Mercury 858027K01 Premium Plus 2-Stroke Marine Oil Mercury Premium Plus 2-Stroke Marine Engine Oil is specifically formulated to meet the needs of high-horsepower outboards in extreme marine operating conditions. It contains a higher concentration...

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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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      • Yamalube 5W-30 4-Stroke Synthetic Marine Oil - Quart Front
        $17.24
        $14.99

        Yamalube 5W-30 4-Stroke Synthetic Marine Oil Yamalube 5W-30 is a fully synthetic FC-W NMMA certified marine oil designed for 4 stroke engines. This high performance oil is designed to help push your performance by increasing lubrication and decreasing...

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      • Sierra FC-W 10W-40 4-Stroke Semi Synthetic Marine Oil 18-9551-2 - Quart
        $10.34
        $8.99

        Sierra FC-W 10W-40 4-Stroke Semi Synthetic Marine Oil Sierra 10W-40 FC-W 4 Stroke engine oil is a semi synthetic blend that has been formulated to provide superior protection for outboard engines. The proprietary blend of conventional with synthetic...

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      • Yamalube ACC-YAMSH-LD-00 Yamashield Protectant 12oz
        $11.99
        $9.99

        Yamalube ACC-YAMSH-LD-00 Yamashield Protectant 12oz Yamashield offers an advanced corrosion protection formulation ideal for outboards, Personal watercraft, and recreational watercraft. The formula provides long term protection by drying into a waxy,...

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      • Mercury Mercruiser 8M0182228 Sterndrive & Inboard Oil Change Kit
        $106.99
        $92.99

        Mercury Mercruiser Sterndrive & Inboard Oil Change Kit Genuine OEM Mercury-Mercruiser part. This Mercury 4-Stroke Oil Change Kit contains everything you need to change the oil on your Mercrusier Sterndrive & Inboards. Mercury's line of DIY oil...

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      • Mercury Power Trim & Steering Fluid
        $7.49
        $6.99

        Mercury 92-858074K01 Power Trim & Steering Fluid Mercury 92-858074K01 Power Trim & Steering Fluid is for use in most power trim and power steering systems on Mercury, Mariner, and Force outboards and Mercury Mercruiser Sterndrives. You do not...

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      • Yamalube  F150-200 10W30 Oil Change Kit
        $82.49
        $71.99

        Yamalube 10W30 Oil Change Kit for Yamaha F150-F200 Outboards This Yamalube kit contains all you need for an oil change on your Yamaha 4 Stroke Outboard Engine. Yamalube 10W-30 is designed for maintaining viscosity in 4 stroke outboard engines in marine...

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      • Quicksilver 85W90 Extreme Performance Gear Lube
        $24.49
        $20.99

        Quicksilver SAE 85W90 Extreme Performance Gear Lube 92-8M0111677 Quicksilver 85W90 Extreme Performance Gear Lube was designed for outboard and sterndrive racing applications. This gear lube provides maximum protection against water intrusion, wear, and...

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      • Volvo 3851039 Power Steering & Trim Fluid
        $13.20
        $11.00

        Volvo 3851039 Power Steering & Trim Fluid The Volvo 3851039 fluid is designed for both Volvo Penta power & hydraulic steering and power trim systems. The formula helps resist oxidation with excellent rust and corrosion resistance. Designed to...

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      Marine Oil

      In order to keep your marine engine running and avoiding costly repairs, it is important to change out your boat oil during your routine maintenance. Just like your car engine needs oil, your boat engine requires oil. However, marine oil typically has extra additives that help protect the engine from corrosion, moisture, and oxidation that can develop from harsh marine conditions. Wholesale Marine knows how important it is to have high-quality boat oil, which is why they only carry the top brands like Quicksilver, Mercury, and Sierra.

      Marine Oil for All Types Of Engines

      For top engine performance, it is important to change your marine oil annually or after every 100 hours of use. So having quality oil on hand will make your job easier when the time comes. Make sure when you are selecting the right oil, you know what type of engine you have and what type of boat oil is best. There are 2-Stroke and 4-Stroke oils.

      Just as with our automotive counterparts, when shopping for marine oil, you should know that there are conventional and synthetic oils available, and whatever your boat requires, Wholesale Marine stocks both. For high-output outboards and inboards, the Quicksilver 25W-40 is a top choice for conventional marine engine oils. If you're shopping for the popular synthetic oil, Sierra’s 25W-40 Synthetic Blend Boat Oil is an excellent choice. This marine oil’s synthetic blend is formulated with antioxidants, anti-wear, and corrosion protection properties.

      When it is time for your routine maintenance on your boat, be sure to shop at Wholesale Marine. We carry a huge inventory of boat oils and lubricants needed to ensure that your engine remains at its optimal performance level. If you have questions about which marine oil is right for your engine, call our boat experts at 877-388-2628 Monday through Friday from 9:00 AM until 6:00 PM EST. We offer same day, flat rate shipping on most items.