Top 7 25W-40 Marine Oil – Motor Oils

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1. QuickSilver

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Sterndrive & Inboard Engines – SAE 25W-40 Mineral – 1 Gallon, Quicksilver 8M0078620 4-Stroke Marine Engine Oil – for Outboard

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QuickSilver #ad - Offers outstanding strength and viscosity retention. 1 gallon bottle. Formulated to protect against corrosion and excessive wear. Designed for use with all 4-stroke marine engines. 25w-40 viscosity.
BrandQuickSilver #ad
ManufacturerQuicksilver #ad
Height11.8 Inches
Length7.5 Inches
Weight7 Pounds
Width5.1 Inches
Part Number8M0078620
Model8M0078620

2. QuickSilver

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Sterndrive & Inboard Engines – SAE 25W-40 Synthetic – 1 Gallon, Quicksilver 8M0078623 4-Stroke Marine Engine Oil – for Outboard

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QuickSilver #ad - 1 gallon bottle. 25w-40 viscosity. Designed for use with all 4-stroke marine engines. Offers outstanding strength and viscosity retention. Formulated to protect against corrosion and excessive wear.
BrandQuickSilver #ad
ManufacturerQuicksilver #ad
Height11.8 Inches
Length7.5 Inches
Weight7 Pounds
Width5.1 Inches
Part Number8M0078623
Model8M0078623

3. QuickSilver

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Quicksilver 8M0078622 4-Stroke Marine Engine Oil – for Outboard, Sterndrive & Inboard Engines – SAE 25W-40 Synthetic – 1 Quart

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QuickSilver #ad - Designed for use with all 4-stroke marine engines. 32 ounce bottle. Formulated to protect against corrosion and excessive wear. 25w-40 viscosity. Offers outstanding strength and viscosity retention.
BrandQuickSilver #ad
ManufacturerQuicksilver #ad
Weight0.16 Pounds
Part Number8M0078622
Model8M0078622

4. Mercury Marine/Mercruiser

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25W40-8M0078628, MERCURY Genuine 1 Gallon 4-Cycle Oil

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Mercury Marine/Mercruiser #ad - Multi-viscosity 25w-40 oil formulated to eliminate thermal breakdown no viscosity improvers necessary under extreme temperatures and loads. Replaces prior part number 92-858048K01. Provides superior lubrication and protection of internal components from corrosion, wear scuffing and scoring - even in higher temperature engines. Provides warranty protection for Mercury MerCruiser engines. Field-tested and proven in gas and diesel applications.
BrandMercury Marine/Mercruiser #ad
ManufacturerMercury Marine/Mercruiser #ad
Height16 Inches
Length19 Inches
Weight11 Pounds
Width7 Inches
Part Number8M0078628
Model8

5. Mercury Marine

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OEM Mercury Marine 4-Stroke FC-W 25W-40 Engine Oil Case of 6 Quarts

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Mercury Marine #ad - Exceeds all marine industry 4‑stroke oil requirements including FC‑W and FC‑W Catalyst Compatible. For use in all 4‑Stroke Marine Engines. Full 6pc case of genuine oem factory Original Equipment PN 92-8M0078627. Flagship Engine and Corrosion Protection. 25w40 recommended in all Marine Engines.
BrandMercury Marine #ad
ManufacturerMercury Marine #ad
Height10 Inches
Length9 Inches
Weight12.68 Pounds
Width8 Inches
Part Number8M0078627

6. Liqui Moly

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4 Liter, Liqui Moly 20548 Marine 4T Motor Oil 25W-40

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Liqui Moly #ad - Rapid oil penetration. Excellent wear resistance. Tested for turbocharges and catalytic converters. Outstanding corrosion protection. Can be used in gasoline and diesel engines. Optimum stability to aging.
BrandLiqui Moly #ad
ManufacturerLiqui Moly #ad
Part Number20548
Model20548

7. RAVENOL

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Gasoline Engines API CI-4/CF 4 Liter, RAVENOL J1V2011-004 SAE 25W-40 Marine Oil

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RAVENOL #ad - Especially produced for marine full season extended oil change intervals under consideration of the manufacturer instruction. Made with specially selected additives to ensure awesome lubricating reliability and engine longevity. Reduces oil and fuel consumption while having excellent cold start characteristics. Please see product Description regarding the California Proposition 65 Warning. Excellent detergent and dispersant characteristics to keep your engine running cleaner for longer.
BrandRAVENOL #ad
ManufacturerRavenol #ad
Height14 Inches
Length8 Inches
Weight8.2 Pounds
Width4 Inches
Part Number1162115-004-01-999
ModelJ1V2011-004