Marine Oil

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      • Ecoplug Pan Saver 10-14mm
        $21.99
        $18.49

        Ecoplug Pan Saver 10-14mm The Ecoplug Pan Saver 10-14mm is a smart, threadless magnetic oil drain plug designed to replace stripped or damaged threads in steel oil pans. It fits most vehicles with 10mm to 14mm drain plug holes and provides a secure,...

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      • Ecoplug Pan Saver 14 X 1.5mm
        $21.99
        $18.49

        Ecoplug Pan Saver 14 X 1.5mm The ECO-PLUG Pan Saver 14 x 1.5 mm is a high-performance, threaded magnetic oil drain plug designed to protect your oil pan from damage. This plug features a self-tapping, tapered thread for a secure, leak-proof fit, making...

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      • Ecoplug Pan Saver 16-18mm
        $21.99
        $18.49

        Ecoplug Pan Saver 16-18mm The Ecoplug Pan Saver 16-18mm is a threadless magnetic drain plug designed to repair stripped or damaged threads in steel oil pans. It installs in seconds without tools and creates a tight, leak-free seal. The plug can be...

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      • Forespar MareLube TEF45 Max PTFE Heavy Load Lubricant - 4 oz.
        $42.95
        $33.99

        MareLube TEF45 Max PTFE Heavy Load Lubricant - 4 oz.Marelube is Forespar's new family of three specifically formulated synthetic lubricants designed for various uses around your boat. Each contains PTFE and they work equally well in fresh or salt water...

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      • Seafoam Motor Treatment 16oz | Front image
        $13.99
        $11.49

        Seafoam Motor Treatment 16oz Sea Foam is petroleum based additives that works in fuel and oil system. It cleans and lubricates critical engine parts. Works safely and effectively with any gasoline and diesel engine. Just pour it in. Features add...

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      • Shell Rotella T1 30W Heavy Duty Diesel Motor Oil | Thumbnail Picture
        $5.99

        Shell Rotella T1 30W Heavy Duty Diesel Motor Oil Shell Rotella T1 SAE 30 engine oil is a premium, monograde diesel motor oil designed to deliver dependable performance in light- to medium-duty diesel engines. Formulated with high-quality base oils and...

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      • Shell Rotella T6 5W40 Synthetic Oil
        $12.49
        $10.49

        Shell Rotella T6 5W40 Synthetic Oil 1qt The Shell Rotella T6 5W-40 Full Synthetic Diesel Engine Oil is engineered to deliver exceptional protection and performance for modern diesel engines. Utilizing Triple Protection Plus technology, it offers...

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      • Volvo Penta 1161928 Rapid Rust Loosener
        $84.00
        $70.00

        Volvo Penta 1161928 Rapid Rust Loosener Genuine OEM Volvo Penta part. Volvo Penta Rapid Rust Loosener is a multi purpose spray with excellent penetration and contact properties. It loosens rust-seized metal parts, connections, and other...

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      • Shell Rotella T6 15W40 Synthetic Diesel Oil
        $47.99
        $39.99

        Shell Rotella T6 15W40 Synthetic Diesel Oil 1gal The Shell Rotella T6 15W-40 Full Synthetic Diesel Engine Oil is engineered to deliver exceptional protection and performance for modern diesel engines. Utilizing advanced synthetic base oils and Triple...

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      • Sierra Full Synthetic Lower Unit Gear Lube
        $23.99
        $16.99

        Sierra Full Synthetic Lower Unit Gear Lube - Qt. Specifically formulated to optimize gear life by reducing friction and providing superior wear protection in severe operating conditions. The unique synthetic formulation is shear stable and resists...

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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.