Quicksilver 10W-40 4-Stroke Mineral Marine Engine Oil is recommended for all 4-stroke marine outboards, sterndrives, and inboard engines. This SAE 10W-40 weight oil features a specialized marine additive package designed to withstand the heat and stress of high-RPM operation. It exceeds all manufacturer's warranty requirements, maintaining viscosity and protecting against varnish and sludge buildup.
- Formulated to protect marine engines against corrosion and excessive wear
- Designed to withstand high-heat, high-RPM operation
- Exceeds NMMA certification and rust protection requirements
- FC-W and FC-W Catalyst Compatible
- 1 Gallon bottle
