Sierra 18-9554-5 15W-40 Premium Blend Engine Oil 5 Gallon Pail

The Sierra 18-9554-5 is a premium blend 15W-40 multi-grade engine oil designed specifically for marine and recreational vehicle applications. This high-quality motor oil provides excellent protection across a wide temperature range, making it ideal for 4-stroke inboard and stern drive engines.

Key Features:

• SAE 15W-40 viscosity grade for optimal performance in varying temperatures
• Premium blend formulation combines synthetic and conventional base oils
• 5-gallon pail provides economical bulk quantity for multiple oil changes
• Excellent wear protection for high-performance marine engines
• Superior thermal stability and oxidation resistance
• Helps prevent sludge and varnish buildup

Important Application Notes:

• Designed for diesel and 4-stroke gasoline marine engines
• Suitable for inboard ski boats and stern drive applications
• Not for use in gasoline engines equipped with catalytic converters
• Meets or exceeds API performance standards for marine use

This bulk 5-gallon container is perfect for marine service professionals, boat owners with multiple vessels, or those who prefer the convenience and value of larger quantity packaging. Sierra marine lubricants are formulated to meet the demanding requirements of the marine environment, providing reliable engine protection for recreational and commercial applications.