Quicksilver 25W40 4-stroke semi-synthetic engine oil is specially formulated for the demanding marine environment. This oil provides reliable protection for all 4-stroke outboard, inboard, and sterndrive engines, keeping your engine running smoothly for longer and requiring less maintenance.
- Optimal wear and corrosion protection extends the life of your engine
- Maintains stable viscosity and prevents varnish and sludge formation for a clean engine
- Designed with a marine additive package that outperforms standard automotive oils
- Meets strict NMMA rust protection requirements, ideal for boaters and sailors
With Quicksilver motor oil, you're investing in reliable boat maintenance products that protect your engine against the unique challenges of water and salt. This way, you can enjoy your water sports or sailing adventure worry-free, knowing your engine will continue to run smoothly and powerfully.