Marine 4T Motor Oil 15W-40 is a premium 4-stroke engine oil specially formulated for marine engines in boats, jet skis, and other watercraft. Its advanced anti-corrosion additives protect against saltwater damage, while high-temperature stability ensures reliable performance under heavy loads. Ideal for both inboard and outboard engines.

Key Benefits:
✔ Corrosion & rust inhibition for saltwater/freshwater use
✔ Enhanced wear protection for high-RPM marine engines
✔ Thermal stability to prevent oil breakdown
✔ Meets major OEM standards (e.g., NMMA, API TC-W3)