--- product_id: 494293616 title: "LX4 Lubricity Extreme Fuel Additive, 1 Gallon | Treats 1,280 gallons. Increases lubricity and helps protect fuel pumps and injectors." brand: "hot shot's secret" price: "$370.61" currency: USD in_stock: true reviews_count: 5 category: "Hot Shot's Secret" url: https://www.desertcart.us/products/494293616-lx4-lubricity-extreme-fuel-additive-1-gallon-treats-1-280 store_origin: US region: United States of America --- # Safe for all gasoline & diesel 56% fuel lubricity boost Protects fuel pumps & injectors LX4 Lubricity Extreme Fuel Additive, 1 Gallon | Treats 1,280 gallons. Increases lubricity and helps protect fuel pumps and injectors. **Brand:** hot shot's secret **Price:** $370.61 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Keep your engine running smoother, longer β€” don’t let dry fuel slow you down! ## Quick Answers - **What is this?** LX4 Lubricity Extreme Fuel Additive, 1 Gallon | Treats 1,280 gallons. Increases lubricity and helps protect fuel pumps and injectors. by hot shot's secret - **How much does it cost?** $370.61 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/494293616-lx4-lubricity-extreme-fuel-additive-1-gallon-treats-1-280) ## Best For - hot shot's secret enthusiasts ## Why This Product - Trusted hot shot's secret brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Clean & Safe Formula:** Free from harmful solvents and alcohol, ensuring no damage to emissions systems. - β€’ **Maximize Engine Longevity:** Boosts fuel lubricity by up to 56%, reducing wear and tear on critical components. - β€’ **Universal Fuel Compatibility:** Works seamlessly with gasoline, ethanol blends, and ultra-low sulfur diesel fuels. - β€’ **Versatile Performance Booster:** Ideal for all diesel and gasoline engines, compatible with fuel stabilizers and treatments. - β€’ **Enhanced Fuel System Protection:** Shields fuel pumps, injectors, and upper cylinders from ethanol and diesel fuel damage. ## Overview Hot Shot's Secret LX4 Lubricity Extreme is a premium 1-gallon fuel additive designed to increase fuel lubricity by up to 56%, protecting and extending the life of fuel pumps, injectors, and upper cylinders in all gasoline and diesel engines. Its solvent- and alcohol-free formula ensures safe use across all emissions systems, making it the go-to treatment for professionals seeking peak engine performance and durability. ## Description LX4 Lubricity Extreme is a specially formulated fuel additive that increases your fuel's lubricity up to 56% to combat the harmful effects of "dry fuel." With LX4 Lubricity Extreme you can Increase the life span of your engine and protect your components for years to come. We're confident about our ingredients so that you can be, too. With Hot Shot's Secret LX4 Lubricity Extreme, you can prevent unnecessary scarring of your fuel system's key components. Our formula works with ULSD to protect those parts and keep your fuel pump, upper cylinders and injectors running smoothly. LX4 works best with low-lubricity, ultra-low sulfur diesel (ULSD), and gasoline as a diesel fuel additive or gas treatment. Our formula is essential for farm equipment, semi-trucks, pickups include GM Duramax, Ford Powerstroke, and Ram Cummins engines along with other vehicles. Every bottle of our LX4 Lubricity Extreme is free from solvents and alcohol and is safe for all emissions systems. Review: Monitor your motor oil level the first few fill-ups - Smooth! Please monitor your motor oil level closely the first few fill-ups. If it increases above the max dot, lower the treat rate. Review: Best on the Market. - I use this in all my diesel trucks and equipment never had a fuel issue ## Features - Adds Protection – Increases fuel lubricity by up to 56% for an added layer of protection that keeps fuel pumps and injectors from unnecessary damage or failure, and adds lubricity back to Ultra Low Sulfur Diesel (USLD) - No Harmful Ingredients – LX4 is formulated without harmful solvents or alcohol making it a safe and effective fuel treatment for all systems and engines - Extends Fuel System Life – Protects any fuel system from harsh ethanol or diesel fuels and maintains a smoothly working engine and fuel system, keeping it healthy for even longer - Lubricates Upper Cylinder – Works with any gasoline, ethanol, or diesel fuel to lubricate and protect the upper cylinder and other key engine and fuel system components - Versatile – Perfect for gasoline or diesel engines, LX4 can also be used with fuel stabilizers and fuel system treatments to keep your vehicle at peak performance ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B097CHHYBD | | Brand | Hot Shot's Secret | | Brand Name | Hot Shot's Secret | | Container Type | Bottle | | Customer Reviews | 4.6 out of 5 stars 215 Reviews | | Included Components | Bottle | | Item Form | Liquid | | Item Type Name | LX4 Lubricity Extreme 1 Gallon Bottle | | Item form | Liquid | | Liquid Volume | 1 Gallons | | Liquid volume | 1 Gallons | | Manufacturer | Lubrication Specialties, Inc. | | Material | Silicone | | Model Number | LX401G | | Number of Items | 1 | | Package information | Bottle | | Part Number | LX401G | | Recommended Uses For Product | all diesel and gasoline vehicles | | Recommended uses for product | all diesel and gasoline vehicles | | UPC | 731717961390 | | Unit Count | 128 Fluid Ounces | ## Product Details - **Brand:** Hot Shot's Secret - **Liquid volume:** 1 Gallons - **Material:** Silicone - **Package information:** Bottle - **Recommended uses for product:** all diesel and gasoline vehicles ## Images ![LX4 Lubricity Extreme Fuel Additive, 1 Gallon | Treats 1,280 gallons. Increases lubricity and helps protect fuel pumps and injectors. - Image 1](https://m.media-amazon.com/images/I/71BbGSim5qL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Monitor your motor oil level the first few fill-ups *by A***G on 20 May 2025* Smooth! Please monitor your motor oil level closely the first few fill-ups. If it increases above the max dot, lower the treat rate. ### ⭐⭐⭐⭐⭐ Best on the Market. *by P***E on 7 June 2026* I use this in all my diesel trucks and equipment never had a fuel issue ### ⭐⭐⭐⭐⭐ Great product *by S***. on 14 April 2026* Works well, I won’t run any of my diesels without it ## Frequently Bought Together - Hot Shot's Secret LX4 Lubricity Extreme 1 Gallon, Fuel Treatment for All Engines, Gasoline & Diesel Additive, Fuel Additive Increases Lubricity, Protects & Extends Fuel System Life - Hot Shot's Secret - HSSEDT01G Everyday Diesel Treatment - EDT 1 Gallon - Treats Up to 3,200 Gallons - Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine Performance --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/494293616-lx4-lubricity-extreme-fuel-additive-1-gallon-treats-1-280](https://www.desertcart.us/products/494293616-lx4-lubricity-extreme-fuel-additive-1-gallon-treats-1-280) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-06*