Opti-Lube prides itself on providing the Best Diesel Fuel Additives on the market. By providing exceptional lubrication to diesel fuel pumps and injectors Opti-Lube XL allows your fuel system to reach their intended durab...

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Product Review

Opti-Lube prides itself on providing the Best Diesel Fuel Additives on the market. By providing exceptional lubrication to diesel fuel pumps and injectors Opti-Lube XL allows your fuel system to reach their intended durability.

Opti-Lube XL Xtreme Lubricant is the ultimate lubricity additive with revolutionary deposit control. The best we know.

This product continues to increase the lubricity of diesel fuel up to a mix ratio of 512:1. By providing exceptional lubrication to diesel fuel pumps and injectors Opti-Lube XL allows your fuel system to reach their intended durability.

XL also contains a measure of water separator and deposit control to keep your fuel system safe and functioning at peak efficiency.

Designed for use in Ultra Low Sulphur Diesel (ULSD).

XL Xtreme Lubricant Formula: 1 Gallon with Accessories (1 Hand Pump & 2 Empty 4oz Bottle). Gallon will treat up to 1,280 gallons of diesel fuel, filled 4oz accessory bottle will treat up to 40 gallons.



  • MADE FOR OPTIMAL LUBRICATION: Your truck has been there for you every minute and every mile, which is why it’s important to keep it in pristine condition. At Opti-Lube, our goal is to keep your engine operating at its best. Our fuel additive helps to increase the lubricity properties of ultra-low-sulfur diesel (ULSD) so that you can play more and worry less.
  • IMPROVES FUEL ECONOMY: Trucks are known for eating up fuel. Fortunately, there’s a way to fix that with Opti-Lube XL Xtreme Lubricant formula. This diesel fuel additive has been shown to enhance fuel mileage, giving you more bang for your buck. With greater fuel economy, you’ll find increased power for summer driving.
  • CLEANS INJECTORS: When your fuel injectors build up with residue, your engine doesn’t run as efficiently. Opti-Lube XL Xtreme Lubricant formula cleans injectors and helps prevent future build-up. This helps to reduce deposits and emissions, making this lube compatible with all vehicle emissions systems. Additionally, it acts as rust and corrosion prevention to keep your vehicle in tip-top shape.
  • ENHANCES PERFORMANCE: Whether during rain, snow, or shine, Opti-Lube XL Xtreme Lubrication formula delivers. It works to improve the performance of your truck all year round. This fuel additive also helps separate water from Diesel fuel as a demulsifier and more than doubles the storage life of standard diesel fuel.
  • COMES WITH ACCESSORIES: With your purchase, you’ll receive 1 gallon of Opti-Lube XL Xtreme Lubricant Formula Diesel Fuel Additive, a convenient hand pump, and 2 empty 4-ounce bottles for on-the-go travel. This diesel fuel treatment isn’t just limited to trucks; use it for your farm and construction equipment too!

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