Quicksilver 25W-40 mineral 4-cycle (4-stroke) oil formulated for marine outboards, stern drives and inboard engines that require 25W-40 viscosity.
- FC-W certified for 4-cycle marine engines
- Suitable for outboards, stern drives and inboard engines requiring 25W-40
- Similar corrosion protection to semi-synthetic oils
- Exceeds FC-W catalyst-compatible requirements
- Designed for continuous high-RPM marine operation and improved heat tolerance
- SAE 25W-40 mineral oil Quicksilver Part No: 92-8M0086223
- 1 litre (1.06 US qt)
Use where manufacturers specify 25W-40 marine oil; follow engine maker guidance for oil change intervals and proper disposal. See more in our Engine Oil collection.