Pennzoil 5063875 Marine Premium Outboard 4-Cycle 10W-30 Engine Oil - 1 Quart Formulated to keep your marine engine running clean Protect against engine rust in both salt and freshwater environments Protect against the effect of fuel dilution Protect against wear and friction Protect under a wide range of temperatures Formulated to keep your marine engine running clean Oil weight: 10W-30 Guard against harmful engine deposits Protect against piston-scuffing Keep performance-robbing carbon deposits from forming in the combustion chamber, piston tops and under crowns and piston-combustion rings