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Add to CartENGINE 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 manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda.
It varies model to model, check out our Engine Oil Capacity Guide for more information and capacity charts!
What is Sierra 10W-30 4-Stroke Conventional Marine Engine Oil used for?
Sierra 10W-30 4-Stroke Conventional Marine Engine Oil is a highly refined petroleum-based engine oil formulated to meet or exceed the requirements of marine 4-stroke motor manufacturers. It is designed for applications involving Mercury, Yamaha, Johnson-Evinrude, Suzuki, and Honda marine engines.
What benefits does Sierra 10W-30 Marine Engine Oil provide?
Sierra 10W-30 Marine Engine Oil provides anti-wear protection, reduces friction, and is formulated to offer corrosion protection. It also helps reduce sludge to keep the engine cleaner, while its low-temperature viscosity is designed to support better cold starting.
Which marine engine brands is Sierra 10W-30 Marine Engine Oil formulated for?
Sierra 10W-30 Marine Engine Oil is specifically formulated to meet or exceed the requirements of Mercury, Yamaha, Johnson-Evinrude, Suzuki, and Honda 4-stroke marine motors. Verify the oil requirements for your specific engine before use.
What performance standards does Sierra 10W-30 Marine Engine Oil meet?
Sierra 10W-30 Marine Engine Oil meets and exceeds the listed quality performance requirements of API SJ, CF-2, and CH-4. It is also NMMA FC-W Certified.
What products does Sierra 10W-30 4-Stroke Conventional Marine Engine Oil replace?
Sierra 10W-30 4-Stroke Conventional Marine Engine Oil is listed as a replacement for Mallory part number 9-82350 and Mercury Marine part number 92-802833Q1. Verify the applicable part number and engine requirements before selecting this oil.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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