OPT-XL4-CB8  Includes an 8 pack of 4oz bottles and a hard plastic Opti-Box. 

Opti-Box keeps bottles upright and has an o-ring seal to help prevent spills and keep the scent contained.


Opti-Lube XL Xtreme Lubricant is the ultimate 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


XL Blend Treatment Rates

Premium Treatment Rate (extreme lubrication: 1 to 512 (1 ounce per 4 gallons of fuel)

Minimum Treatment Rate: 1 to 1280 (1 ounce per 10 gallons of fuel)

1 gallon treats 512 - 1,280 gallons of diesel fuel

4oz bottle treats 16 - 40 gallons of diesel fuel


Technical Data:


*Available by the 4oz 8 pack, 8 oz. 6 pack, Quart, Gallon, 5-Gallon Pail and 55 Gallon Drum