Star brite 029800N Star Tron 20W-40 Mineral 4-Stroke Marine Engine Oil 1 Gallon

Star brite Star Tron Premium 4-Stroke Engine Oil SAE 20W-40 is a high-performance, mineral-based marine engine oil formulated to deliver reliable protection for outboard and inboard engines — especially those operating in warmer climates. Available in a convenient 1-gallon (128 oz) container, this oil is purpose-built for the demands of the marine environment.

Engineered to resist water intrusion, shear stress, and thermal breakdown, this 20W-40 mineral oil ensures consistent lubrication even under extreme RPMs and heavy load conditions. It actively prevents piston deposits, sticking valves, rust, and corrosion to keep marine engines running cleanly and efficiently.

Key Features:

• SAE 20W-40 Viscosity — Ideal for warmer climates and high-temperature marine operating conditions
• Mineral-Based Formula — Specially blended with additives for four-stroke marine engine requirements
• FC-W® Catalyst Compatible Certified — Meets or exceeds NMMA FC-W specifications
• Superior Rust & Wear Protection — Reduces engine wear and prevents rust and corrosion in both fresh and saltwater environments
• Deposit & Sludge Prevention — Minimizes deposit formation and prevents piston deposits and valve sticking
• Thermal & Shear Stability — Maintains viscosity under extreme RPMs and temperatures
• Broad OEM Compatibility — Safe for use in Honda, Suzuki, Johnson, Nissan, Yamaha, Mercury, Tohatsu, and Volvo-Penta 4-stroke engines
• 1-Gallon Size — Generous volume to support multiple oil changes

Backed by over 50 years of marine industry expertise, Star brite's Star Tron line delivers premium-grade protection engineered specifically for the harsh conditions of marine use. This 20W-40 mineral oil is an excellent choice for boaters looking for dependable, OEM-compatible engine protection in a cost-effective mineral formulation.