Quicksilver 25W-40 Synthetic Marine Engine Oil, 1 Gallon

Designed for use in 4-stroke marine engines Synthetic blend formulated to provide ultimate corrosion resistance and wear protection in high-rpm 4-stroke outboard motors Offers industry-leading strength and viscosity retention to maintain peak engine performance and reliability 25W-40 viscosity Manufacturer part number 8M0078623You may also like Quicksilver 10W-30 Oil Change Kit for 175-300hp 4-Stroke Mercury V6 and V8 Outboards.