--- product_id: 10428729 title: "Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 1 Gallon + Pump Kit" brand: "opti-lube" price: "788.52 DT" currency: TND in_stock: true category: "Opti Lube" url: https://www.desertcart.tn/products/10428729-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-1-gallon store_origin: TN region: Tunisia --- # Boosts fuel economy by up to 10% Cleans and protects injectors for peak engine health Prevents rust & corrosion, extending engine life Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 1 Gallon + Pump Kit **Brand:** opti-lube **Price:** 788.52 DT **Availability:** ✅ In Stock ## Summary > 🚛 Drive smarter, save bigger — fuel your freedom with Opti-Lube XL! ## Quick Answers - **What is this?** Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 1 Gallon + Pump Kit by opti-lube - **How much does it cost?** 788.52 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/10428729-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-1-gallon) ## Best For - opti-lube enthusiasts ## Why This Product - Trusted opti-lube brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Injector Detox:** Effectively cleans fuel injectors, preventing buildup that drags down performance and increases emissions. - • **Ready-to-Go Kit:** Includes 1 gallon, a hand pump, and travel bottles—perfect for trucks, farms, and heavy equipment on the move. - • **All-Weather Warrior:** Works year-round to separate water from diesel and more than doubles fuel storage life. - • **Maximize Every Mile:** Enhances diesel lubricity to reduce engine wear and keep your truck running smoother, longer. - • **Fuel Efficiency Unleashed:** Improves fuel mileage, giving you more power and savings on every tank. ## Overview Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive is a premium 1-gallon formula designed to optimize diesel engine performance by enhancing fuel lubricity, improving fuel economy by up to 10%, and cleaning injectors to reduce deposits and emissions. It also prevents rust and corrosion, extends fuel storage life, and comes with a convenient pump and travel bottles, making it ideal for trucks, farm, and construction equipment. ## Description Buy Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 1 Gallon + Pump Kit | Best lubricity performance for maximum fuel-pump and injector protection: Diesel Additives - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 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! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00MAU9PV8 | | Best Sellers Rank | #122,267 in Automotive ( See Top 100 in Automotive ) #99 in Diesel Additives | | Brand | Opti-Lube | | Customer Reviews | 4.7 4.7 out of 5 stars (164) | | Date First Available | July 31, 2014 | | Item Weight | 4 ounces | | Item model number | OPT-XL1 | | Manufacturer | Opti-Lube | | Manufacturer Part Number | OPT-XL1 | | Product Dimensions | 8.5 x 4.5 x 10.5 inches | ## Product Details - **Brand:** Opti-Lube - **Item Weight:** 4 Ounces - **Liquid Volume:** 1 Gallons - **Material:** Mineral Oils, Synthetic Oils - **Package Information:** Bottle ## Images ![Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 1 Gallon + Pump Kit - Image 1](https://m.media-amazon.com/images/I/61d56Rqq-yL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can I use this in cold weather if I use another source of anti-gel? I get kwik trip diesel and there premium line comes with anti-gel** A: I use this product Alone. I have 04 3500 ,lb7 Duramax 300k never worked on injector replacement, no smoke, averaging 23mpg also use red label in my 2016 3500 getting 16 mpg towing **Q: is opti-lube ok for marine diesel engines ?** A: Yes, it can be used in all Diesel engines including Marine applications. **Q: How often do I have to add to diesel?** A: I add 2-4oz. with every fill up. I add 4oz+ when I fill my 50 gal auxiliary tank. The product comes with recommended treatment per 10, 20 etc gal of diesel fuel. **Q: How long does this store for? I have a tiny 2 liter diesel with a 14.5 gallon tank. I expect this to last me more than a year.** A: You can expect the fluid to last 4-5 years depending on storage conditions. The bottle itself may not last that long so you may have to transfer into something else after 2-3 years. ## Frequently Bought Together - Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive: 1 Gallon with Accessories (HDPE Plastic Hand Pump and 2 Empty 4oz Bottles) Treats up to 1,280 Gallons - Opti-Lube XPD All Seasons Diesel Fuel Additive: 1 Gallon with Accessories (1 Hand Pump & 2 Empty 8oz Bottles) (1 Gallon XPD with Hand Pump and Regular Accessory Bottles) - Opti-Lube Summer+ Cetane Formula Diesel Fuel Additive: 1 Gallon with Accessories (HDPE Plastic Hand Pump and 2 Empty 4oz Bottles) Treats up to 2,560 Gallons --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/10428729-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-1-gallon](https://www.desertcart.tn/products/10428729-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-1-gallon) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-13*