Opti-Lube XL Formula Diesel Fuel Additive - Quart, Case of 12. Each Quart Treats up to 320 Gallons of Diesel Fuel.

Opti-Lube XL Xtreme Lubricant is the ultimate Diesel Fuel lubricity additive, containing the highest lubricity concentration on the market today with testing to back it up.

XL is also extremely efficient with water and deposit control to keep your fuel system safe and functioning at its peak efficiency.

Designed for use in Ultra Low Sulfur Diesel (ULSD), to improve fuel system efficiency and reliability.

Benefits Include:

• Proven Xtreme Lubrication for safe fuel system operation & reliability
• Improved Fuel System Efficiency
• Reduces Deposits & Cleans
• Reduced Emissions
• Prevents Rust & Corrosion
• Cleans Injectors
• Compatible with all vehicle emissions systems