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Marine Oil

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      • Mercury 2-4-C Marine Lubricant with PTFE
        $13.21
        $11.49

        Mercury 2-4-C Marine Lubricant with PTFE A high quality multi-purpose lubricant to withstand extreme friction in all marine applications. Extremely water-resistant - won't break down when mixed with water PTFE for added friction reduction and...

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      • Sierra 10W30 4-Stroke Outboard Oil
        $10.91
        $9.49

        10W30 4-Stroke Outboard Oil by Sierra ENGINE OIL is a highly refined petroleum product formulated with premium base stock and highly refined additives. Specifically formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor...

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      • Sierra Synthetic Blend 25W-40 Catalyst Engine Oil
        $10.91
        $9.49

        Sierra Synthetic Blend 25W-40 Catalyst-Compatible Marine Engine Oil This Sierra Synthetic Blend Engine Oil meets modern recreational 4-stroke engines with or without emission catalyst systems.  Features: Minimizes corrosion that is formed...

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      • Johnson/Evinrude Ultra 4-Stroke Oil - Qt
        $27.49
        $17.49

        Johnson/Evinrude 0764365 Ultra 4-Stroke Synthetic Blend Oil - Quart Johnson/Evinrude's Ultra 4-Stroke Oil is specially formulated to fit the needs of all 4-stroke outboards, even in the harshest marine environments. This oil is ideal for high load...

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      • Quicksilver Optimax Oil DFI 2-Stroke - Gallon
        $71.15
        $59.29

        Quicksilver Optimax Oil for DFI 2-Stroke Outboards High-performance Quicksilver Optimax Oil provides superior protection for all 2-stroke applications, including household brands like Mercury Optimax, Mariner Optimax, and other manufacturer's direct...

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      • Johnson/Evinrude XPS 0779480 Gear Lube 32oz
        $29.99
        $8.49

        Johnson/Evinrude XPSGear Lube Johnson/Evinrude XPS Gear Lube is an exceptional heavy duty gearcase oil. This is a OEM part, not aftermarket. Recommended for use in Honda, Mercury, Suzuki, Yamaha, and Evinrude/Johnson outboards 1973 and up as well...

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      • Mercury 25W50 Synthetic Blend Outboard Oil
        $20.69
        $17.99

        Mercury 25W-50 Synthetic Blend Outboard Oil 25W50 oil is often recommended for engines used in racing. This high performance oil provides maximum lubrication for your marine engine. This oil maintains viscosity under the most extreme operating...

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      • Quicksilver QuickStor Fuel Stabilizer
        $23.49
        $14.99

        Quicksilver QuickStor Fuel Stabilizer QuickStor Fuel Stabilizer helps prevents regular and ethanol-blended fuel from breaking down and oxidizing. This fuel stabilizer also prevents gum and varnish from forming in the fuel and settling in fuel lines and...

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      • Mercury Marine 25/30 hp 4-Stroke EFI Oil Change Kit
        $59.99
        $44.99

        Mercury 8M0081915 25/30 hp 4-Stroke EFI Oil Change Kit Mercury oil change kits contain industry-leading Mercury 25W-40 Marine Engine Oil. Over five years of engineering and development went into the exclusive Flagship Protection formula which features a...

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      • Mercury Marine 75/90/115 hp 4-Stroke EFI Oil Change Kit
        $123.99
        $92.99

        Mercury 8M0081917 4-Stroke EFI Oil Change Kit 75/90/115 hp Mercury oil change kits contain industry-leading Mercury 25W-40 Marine Engine Oil. Over five years of engineering and development went into the exclusive Flagship Protection formula which...

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      • Sierra Type "C" Lower Unit Gear Lube (New Packaging)
        $15.99
        $11.49

        Sierra Type "C" Lower Unit Gear Lube Formulated for older model outboards and I/O's equipped with electric shift. Reduces friction and protects gears, bearings and other gearcase components. Replaces: OMC (System Matched) Premium Blend Sizes...

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      • Johnson/Evinrude 0775776 Triple Guard Marine Grease - 14 oz
        $21.49
        $13.99

        Johnson/Evinrude 0775776 Triple Guard Marine Grease - 14 oz Triple-Guard is a tough grease that stays in place and is unaffected by vibration, saltwater, or cold temperatures. Won't swell seals, packing or O-rings  Compatible with other...

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      • Quicksilver Premium Plus Synthetic Blend 2 Stroke Oil 92-858027Q01
        $16.34
        $14.21

        Quicksilver Premium Plus 2-Cycle Outboard Oil - Synthetic Blend The synthetic blend of Premium Plus Quicksilver oil features an advanced formula specially designed for all 2-stroke outboard engine applications. More specifically, the oil was created to...

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      • Mercury 8M0190472 High Performance Extreme Grease-14oz
        $22.49
        $13.99

        Mercury 8M0190472 High Performance Extreme Grease-14oz Mercury High Performance Extreme Grease is a calcium suflonate-based grease featuring excellent rust and corrosion protection. This grease is formulated for high temperature and high load...

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      • Quicksilver Premium Gear Lube
        $9.76
        $8.49

        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 Extreme Grease
        $14.94
        $12.99

        Quicksilver Extreme Grease Quicksilver Extreme Grease is a new grease that provides better rust and corrosion protection than the greases it replaces. It also provides better wear protection in high temperatures, high load applications. extreme grease...

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      • Sierra 25W-40 Catalyst Engine Oil
        $10.91
        $9.49

        Sierra Premium Blend 25W-40 Catalyst-Compatible Marine Engine Oil This Sierra Premium Blend Engine Oil meets modern recreational 4-stroke engines with or without emission catalyst systems. Sierra 25W-40 is approved for all 4-stroke applications...

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      • Sierra 18-9200 Spline Grease Replaces 92-816391A4
        $8.61
        $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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      • Mercury 25W-40 Conventional 4-Stroke Marine Engine Oil Quart
        $12.80
        $11.13

        Mercury 25W-40 Conventional 4-Stroke Marine Engine Oil Maintain peak engine performance and reliability with Mercury 24W-40 Marine Engine Oil. This oil outperforms automotive oils in marine applications because of its specialized additive package...

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      • Sierra 25W-40 Conventional Engine Oil
        $11.49
        $9.99

        Sierra Marine 25W-40 4-Stroke Sterndrive Conventional Engine 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...

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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 marine conditions. Wholesale Marine knows how important it is to have high-quality boat oil, that is why they only carry the top brands like Quicksilver, Mercury, and Sierra.

      Marine Oil for All Types Of Engines

      It is a good idea to change your marine oil annually or 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.

      When it comes to oil types, there are conventional and  synthetic oils and 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. Its 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.