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.

(Intertek HFRR testing of XL & XPD, view it here).

(Opti-Lube ranked first in an independent study, view it here).

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

  • 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 quart treats 128 - 320 gallons of diesel fuel

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

5 gallon pail treats 2,560 - 6,400 gallons of diesel fuel

55 gallon drum treats 28,160 - 70,400 gallons of diesel fuel

  • XL Xtreme Lubricant Formula: 4oz 8 pack

    XL Xtreme Lubricant Formula: 4oz 8 pack

    $23.14
  • XL 8 pack with Opti-box

    XL Xtreme Lubricant Formula: 8 pack 4oz bottles with Opti-Box

    $37.25
  • XL Xtreme Lubricant Formula: 8oz 6 pack

    XL Xtreme Lubricant Formula: 8oz 6 pack

    $32.14
  • OPT-XL6P-CB8, includes 1 XL 8oz 6 pack and Opti-Box.

    XL Xtreme Lubricant Formula: 6 pack 8oz bottles with Opti-Box

    $39.31
  • XL Xtreme Lubricant Formula: Quart (32oz)

    XL Xtreme Lubricant Formula: Quart (32oz)

    $12.44
  • XL Xtreme Lubricant Formula: Quart, Case of 12

    XL Xtreme Lubricant Formula: Quart, Case of 12

    $145.76
  • XL Xtreme Lubricant Formula: 1 Gallon without Accessories

    XL Xtreme Lubricant Formula: 1 Gallon without Accessories

    $40.16
  • XL Xtreme Lubricant Formula: 1 Gallon with Accessories

    XL Xtreme Lubricant Formula: 1 Gallon with Accessories

    $48.36
  • XL Xtreme Lubricant Formula: 5 Gallon Pail without Accessories, will treat up to 6,400 gallons of diesel fuel.

    XL Xtreme Lubricant Formula: 5 Gallon Pail without Accessories

    $172.98
  • XL Xtreme Lubricant Formula: 5 Gallon Pail with Accessories (Plastic Hand Pump & 4 Empty 4oz Bottles). Pail will treat up to 6,400 gallons of diesel fuel.

    XL Xtreme Lubricant Formula: 5 Gallon Pail with Accessories

    $195.26
  • XL Xtreme Lubricant Formula: 5 Gallon Pail with Accessories OPT#2 (Heavy Duty Metal Hand Pump & 4 Empty 4oz Bottles). Pail will treat up to 6,400 gallons of diesel fuel.

    XL Xtreme Lubricant Formula: 5 Gallon Pail with Accessories OPT#2

    $217.30
  • XL Formula: 55 Gallon Drum

    XL Xtreme Lubricant Formula: 55 Gallon Drum

    $1,664.68