To learn about the NMMA go to All Quicksilver four-stroke engine oils are FCW certified by the NMMA. Engine manufacturers such as Mercury Marine perform additional tests to ensure that our oils exceed these minimum standards. In addition, the oil must successfully pass a 100-hour general performance engine test.
There are roughly a dozen tests conducted to review viscosity, corrosion, filter plugging, foaming and aeration. Products that have the FCW have met minimum testing and quality standards. To help boaters protect their investment and to ensure a positive boating experience, the NMMA and leaders in the marine industry have developed a four-stroke marine oil certification called FCW. current price 31.98 Quicksilver 4-Stroke Marine Engine Oil SAE 25W-40 1.
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FCW certified oil has been approved by the NMMA (National Marine Manufacturers Association) for use in four-stroke marine engines. Quicksilver Premium Plus 2-Stroke Synthetic Blend Marine Oil - 1 Gallon 31.98. If you check your sterndrive or inboard owner’s manual, chances are your manufacturer recommends the use of an FCW® certified marine engine oil. There is nothing that prevents a company from taking automotive engine oil and labeling it as marine engine oil. Far exceeds Mercury in-house test standards, which are more stringent than the industrys TC-W3 standard. Simple enough, right? Well, it gets a bit more complicated since a number of marine engine oils on the market today may not be true marine engine oils. Specifically formulated with a higher concentration marine additive package to meet the needs of: High-horsepower outboard including direct fuel-injected engines in extreme marine operating conditions. But VI aren’t necessary in marine engines because it is more beneficial for marine oil to as thick as possible and still operate efficiently. This is a bit of an oversimplification, but VI are added so that oil can be as thin as possible while still meeting desired performance characteristics over wide temperature ranges. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement parts and accessories. Quicksilver has earned a loyal following by providing the highest quality products for more than 60 years.
In order to operate as efficiently as possible over these large temperature ranges, automotive oils use viscosity Improvers (VI). Consumers consider it one of the most trusted brands in the markets we serve. Air TemperatureĪutomotive engine oils are designed to operate in wider outside air temperature ranges than marine oils. Automotive oil is simply not designed to withstand the marine environment. That’s the kind of stress your marine engine is under. Imagine driving your car at 80 mph while pulling a boat while driving up a 30 degree incline-all the time.