Opti-Lube XL Xtreme Lubricant Formula Diesel Fuel Additive provides many benefits to your diesel engine and emission system. This powerful additive increases lubricity, improves fuel mileage, keeps your tank clean, and en...

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Product Review

Opti-Lube XL Xtreme Lubricant Formula Diesel Fuel Additive provides many benefits to your diesel engine and emission system. This powerful additive increases lubricity, improves fuel mileage, keeps your tank clean, and enhances your truck's performance.

Over time, build-up and residue occur within your fuel injectors, which decreases your truck's efficiency. As this additive lubricates your fuel injectors, it can help reduce fuel system wear. It protects against rust and corrosion while simultaneously cleaning your fuel system. This creates a cleaner tank so that you can enjoy improved fuel mileage and a better running engine. Additionally, this additive prevents future build-up. It's a powerful tool that cuts down wear and tear and helps to keep your vehicle in its original condition.

When you add the Opti-Lube XL Xtreme Lubricant formula, you'll notice a significant difference in the way your engine runs. It will run more smoothly. Opti-Lube XL Xtreme Lubricant is the ultimate lubricity additive with revolutionary deposit control. By providing exceptional lubrication to diesel fuel pumps and injectors, Opti-Lube XL allows your fuel system to reach its intended durability.

With your order, you'll receive a 1-quart bottle of the XL formula, which can treat up to 320 gallons of diesel fuel.

For best results, always follow the directions listed on the bottle, as the suggested amount will depend on temperature, diesel type. This fuel additive is made specifically for ultra-low-sulfur diesel (ULSD).

It's time to upgrade your truck's fuel capabilities by adding this fuel additive to your car care supplies. Order today!



  • 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 and the tools in the toolbox. Our XL formula contains the highest lubricity concentration on the market today, with the testing to back it up, which helps to keep your engine operating at its best. It increases the lubricity properties of ultra-low-sulfur diesel so you can play more and worry less.
  • IMPROVES FUEL ECONOMY: 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: The XL Xtreme Lubricant formula helps to reduce deposits and emissions, making this lube compatible with all vehicle emissions systems. It also protects against rust and corrosion.
  • ENHANCES PERFORMANCE: Opti-Lube’s XL Xtreme Lubrication formula works to improve the performance of truck year round. By increasing the lubrication, keeping things clean, and water under control, XL improves your fuel systems’ efficiency, reliability, and prevents premature wear.
  • EACH QUART TREATS UP TO 320 GALLONS OF DIESEL FUEL

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