Mercury 8M0142151 – 10W‑30 Synthetic Blend 4‑Stroke Marine Engine Oil, 1 Gallon

Premium synthetic blend marine oil formulated for maximum protection against wear and corrosion in 4-stroke outboards and sterndrives.

Product Overview

Mercury 8M0142151 is a 10W‑30 synthetic blend 4-stroke marine engine oil engineered to meet the high demands of outboard and sterndrive marine engines. Clean, high-performance oil helps reduce friction, prevent component wear, and extend engine life under high load and variable RPMs.

This FC-W and FC-W Catalyst Compatible formula is tested to exceed marine industry standards, providing exceptional viscosity retention, internal corrosion protection, and overall engine durability in saltwater and freshwater conditions.

Key Features

• For use in all 4-stroke marine engines where 10W‑30 is specified
• Synthetic blend formula for enhanced high-RPM and extreme-use protection
• Certified FC-W and FC-W Catalyst Compatible for full warranty compliance
• Helps protect against corrosion, sludge, and wear
• Maintains viscosity and film strength in marine operating conditions
• Comes in a 1-gallon (3.78 L) bottle

Engine Compatibility

• Mercury 4-stroke outboards
• MerCruiser sterndrive engines
• Other major marine engine brands requiring SAE 10W-30 oil

Always refer to your owner’s manual for application-specific guidance.