Kirkland Signature Heavy Duty Diesel 15W-40 Synblend Motor Oil – 1 Gallon

Keep your engine running at its best with Kirkland Signature Heavy Duty Diesel 15W-40 Synblend Motor Oil. Designed to meet API CK-4/SN standards, it helps enhance engine durability, protect against wear and corrosion, and maximize engine life under extreme conditions.

Perfect for heavy-duty trucks, tractors, and equipment, this advanced synthetic blend oil ensures smooth performance, improved oxidation resistance, and cleaner operation—keeping your engine protected mile after mile.

Key Features:

• Viscosity: 15W-40
• Type: Synthetic blend motor oil
• 1-gallon containers
• API CK-4/SN Certified for diesel and gasoline engines
• Designed to enhance engine durability and minimize wear
• Protects against corrosion and deposits
• Optimized for long-lasting engine performance