Mercury Marine 4-Stroke Engine Oil 25W-40 Synthetic Blend 4L (1 US Gal) - Outboard & Sterndrive Engine Protection, 8M0078642

he Mercury Marine 25W-40 4-Stroke Synthetic Blend Engine Oil 4L is specifically engineered to protect Mercury outboard and MerCruiser sterndrive engines in demanding marine environments. Designed to handle extreme heat, moisture, and high RPM operation, this marine-grade oil delivers superior lubrication and long-lasting engine protection. It is one of the best oils for Mercury 4-stroke outboards and sterndrives, helping extend engine life and maintain peak performance.

Formulated for Mercury and Mariner outboards as well as MerCruiser sterndrive engines, this oil provides excellent wear protection and corrosion resistance in both freshwater and saltwater applications. Ideal for recreational boaters and high-performance users, it helps prevent sludge buildup, reduces internal engine wear, and ensures smooth operation across a wide temperature range.

Whether you're performing routine maintenance or preparing your engine for the season, this oil is designed to meet Mercury Marine specifications for optimal performance and durability.

Features:

• Advanced 25W-40 synthetic blend formulation for marine engines
• Superior corrosion protection in saltwater and freshwater environments
• Helps reduce engine wear and extend engine life
• Maintains viscosity under high temperature and high load conditions
• Protects against sludge and deposit formation
• Designed specifically for Mercury outboard and sterndrive engines

Fitment:

• For use in Mercury, MerCruiser and other leading brands of four-stroke outboard, sterndrive and inboard marine engines
• Suitable for a wide range of HP applications where 25W-40 marine oil is specified

Specifications:

Brand: Mercury Marine
Part Number: 8M0078642
Oil Type: Synthetic Blend
Viscosity: 25W-40
Engine Type: 4-Stroke
Application: Outboard and sterndrive engines
Volume: 4 Liters

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