--- product_id: 203045704 title: "Hot Shot's Secret Diesel Extreme Fuel Additive, 1 Gallon | Treats 320 gallons. Cleans fuel systems and injectors while restoring diesel performance." brand: "hot shot's secret" price: "$198.87" currency: USD in_stock: true category: "Hot Shot's Secret" url: https://www.desertcart.us/products/203045704-hot-shots-secret-diesel-extreme-fuel-additive-1-gallon-treats store_origin: US region: United States of America --- # Boosts cetane by up to 7 points Treats 320 gallons Cleans injectors & fuel system Hot Shot's Secret Diesel Extreme Fuel Additive, 1 Gallon | Treats 320 gallons. Cleans fuel systems and injectors while restoring diesel performance. **Brand:** hot shot's secret **Price:** $198.87 **Availability:** ✅ In Stock ## Summary > ⚡ Unlock your diesel’s hidden power and never settle for less! ## Quick Answers - **What is this?** Hot Shot's Secret Diesel Extreme Fuel Additive, 1 Gallon | Treats 320 gallons. Cleans fuel systems and injectors while restoring diesel performance. by hot shot's secret - **How much does it cost?** $198.87 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/203045704-hot-shots-secret-diesel-extreme-fuel-additive-1-gallon-treats) ## 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 - • **Trusted & Proven:** Top-rated with 4.7 stars from over 5,700 users—join the diesel elite - • **Engine-Deep Clean:** Eliminates stubborn injector deposits & varnish for peak performance - • **Power Boost Formula:** Increases cetane up to 7 points for smoother, more efficient combustion - • **Effortless Application:** Just 8 oz per 20 gallons—easy to use at every fill-up or 6,000 miles - • **Rust & Moisture Defense:** Military-grade inhibitors protect against corrosion and water damage ## Overview Hot Shot's Secret Diesel Extreme is a concentrated fuel additive that treats up to 320 gallons, cleaning fuel systems and injectors while boosting cetane by up to 7 points. It protects against rust and moisture with military-grade inhibitors, improving fuel economy and engine power. Easy to use and highly rated, it’s the go-to solution for diesel performance restoration. ## Description Buy Hot Shot's Secret Diesel Extreme Fuel Additive, 1 Gallon | Treats 320 gallons. Cleans fuel systems and injectors while restoring diesel performance.: Fuel System Cleaners - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - CLEANS FUEL SYSTEM: Hot Shot’s Secret Diesel Extreme is designed to thoroughly clean, lubricate, and safeguard all components of your engine & fuel system, such as valves, pumps, rings, pistons, and upper cylinders. - CLEANS FUEL INJECTORS: Designed to eliminate & prevent the buildup of Internal Diesel Injector Deposits (IDIDs), External Diesel Injector Deposits (EDID's), as well as other stubborn varnish and deposits, this will keep your engine running smoothly. - BOOSTS CETANE: Increases cetane (up to 7 points), for a more efficient combustion process, improved fuel economy, & increased engine power. It also helps reduce the frequency of DPF regenerations, ensuring a smoother driving experience. - FIXES ISSUES: Non-alcohol-based water dispersant, fortified with military-grade rust and corrosion inhibitors, stabilizes & prevents rust, effectively dispersing moisture, this product ensures to improve overall engine performance. - EASY TO USE: With a simple application of 8 oz. for every 20 gallons, this product is easy to use! Just pour it into your fuel tank during your next fill up or every 6,000 miles ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B086DWKK29 | | ASIN | B086DWKK29 | | Best Sellers Rank | #1,017 in Automotive ( See Top 100 in Automotive ) #6 in Diesel Additives #7 in Fuel System Cleaners | | Brand Name | Hot Shot's Secret | | Contains Liquid Contents? | Yes | | Customer Reviews | 4.7 4.7 out of 5 stars (5,791) | | Date First Available | August 30, 2017 | | Included Components | Diesel Extreme 1 Gallon | | Is Discontinued By Manufacturer | No | | Item Form | Liquid | | Item Type Name | Fuel Additive | | Item Volume | 128 Fluid Ounces | | Item Weight | 7.7 Pounds | | Item model number | P040401G | | Manufacturer | Lubrication Specialties, Inc. | | Manufacturer | Lubrication Specialties, Inc. | | Material Features | Unscented | | Model Number | P040401G | | Number of Items | 1 | | Part Number | P040401G | | Product Dimensions | 6.5 x 4.75 x 10 inches; 7.74 Pounds | | Scent | Unscented | | Size | 128 Fl Oz (Pack of 1) | | Special Features | Concentrated Fuel Injector Cleaner | | Specific Uses For Product | Diesel Fuel Additive | | Surface Recommendation | Vehicle | | UPC | 722512381513 | | Unit Count | 128.0 Fluid Ounces | | Warranty Description | 100% Money Back Guarantee | ## Product Details - **Brand:** Hot Shot's Secret - **Item Form:** Liquid - **Material Feature:** Unscented - **Scent:** Unscented - **Specific Uses For Product:** Diesel Fuel Additive ## Images ![Hot Shot's Secret Diesel Extreme Fuel Additive, 1 Gallon | Treats 320 gallons. Cleans fuel systems and injectors while restoring diesel performance. - Image 1](https://m.media-amazon.com/images/I/71hnqNpe-9L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: We heard that this product only needs to be used twice a year, does anyone know if it says this on the bottle?** A: So?? Which came first?! My bottle says 6,000 miles… this bottle is about 10 months old. I’d really like to know if the manufacturer recommends 6k or 6 months! Thanks **Q: Would this product be suitable for a 1.6 Diesel engine in our family car?** A: I use it it a 1.9 TDI and 2 7.3 diesels. **Q: Has anyone used this with a TDI with DEF / Urea?** A: It is specifically designed for restoring the performance of diesel engines so yea it will be fine in your TDI just make sure you follow instructions don't mix it too strong or your car will run like a raped ape for a minute **Q: I want to use this in a diesel parking heater to try and remove some of the carbon buildup inside the burn chamber. Do you think this would do that?** A: It is very unlikely that using Diesel Extreme will remove carbon that is already built up in your heater. It is best used as a preventative to combat the amount of soot/carbon build up. Another note is that unfortunately, Diesel Extreme is very odorous and using it in an open heating element may cause some unpleasant odors. ## Frequently Bought Together - Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine Performance - Hot Shot's Secret - HSSEDT01G Everyday Diesel Treatment - EDT 1 Gallon - Treats Up to 3,200 Gallons - 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 --- ## 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.us/products/203045704-hot-shots-secret-diesel-extreme-fuel-additive-1-gallon-treats](https://www.desertcart.us/products/203045704-hot-shots-secret-diesel-extreme-fuel-additive-1-gallon-treats) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-22*