The LIQUI MOLY Marine 4T Motor Oil 25W-40 is a premium mineral-based engine oil engineered for modern 4-stroke marine engines operating under demanding conditions. Formulated with advanced marine-grade additives, it delivers a strong and stable lubricating film that protects against wear, reduces oil consumption and keeps engine seals flexible over time. Designed to maintain optimum oil pressure and viscosity stability, it supports smooth, reliable operation even under high load and high temperature environments. Fully NMMA FC-W® approved, this marine motor oil meets leading engine manufacturer requirements, making it ideal for outboard and inboard petrol engines.

• Provides exceptional corrosion protection in harsh marine environments
• Strong, long-lasting oil film reduces wear and maintains engine reliability
• Stable viscosity and ageing resistance support consistent performance
• Maintains optimum oil pressure under all operating conditions
• NMMA FC-W® approved to meet marine engine manufacturer standards