Provide the ultimate care for your outboard with Mercury SAE 10W-30 Synthetic Blend 4-Stroke Marine Engine Oil. Even when operating at high temperatures and high rpm, the premium synthetic blend formula resists shearing and viscosity breakdown to help keep your engine running smoothly for longer. In testing, it offered 33% greater protection against camshaft wear than other leading 10W-30 marine engine oils. Advanced corrosion inhibitors add an additional layer of protection, both on the water and in storage. Mercury 10W-30 Synthetic Blend is a high-performing engine oil optimized for use in Mercury 3.4L V6 and 4.6L V8 outboards, as well as other four-cycle outboards up to 150hp.
Recommended for Mercury 3.4L V6 and 4.6L V8 outboards, and all other four-stroke outboards up to 150hp where 10W-30 is called for
Helps extend engine life by providing up to 33% greater protection against camshaft wear compared to other marine engine oils
Industry-leading strength and viscosity retention to withstand high-temperature, high-output engine operation
Advanced corrosion inhibitors outperform FC-W standards and provide outstanding protection on and off the water
Produced by Mercury Marine to our stringent original equipment manufacturer specifications
Mercury oils, lubricants and engine care products are backed by decades of experience in engineering, testing and manufacturing to provide the best protection and performance.