--- product_id: 375895066 title: "Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster" brand: "archoil" price: "72061CFA" currency: XOF in_stock: true reviews_count: 13 category: "Archoil" url: https://www.desertcart.sn/products/375895066-archoil-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel store_origin: SN region: Senegal --- # Treats 400 gallons per 40 oz bottle Boosts cetane by up to +8 points Improves lubricity by 43% (ASTM D6079) Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster **Brand:** archoil **Price:** 72061CFA **Availability:** βœ… In Stock ## Summary > πŸ”₯ Fuel smarter, drive cleaner, and lead the pack with Archoil AR6500! ## Quick Answers - **What is this?** Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster by archoil - **How much does it cost?** 72061CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/375895066-archoil-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel) ## Best For - archoil enthusiasts ## Why This Product - Trusted archoil brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **DPF Friendly Formula:** Reduces soot buildup and regeneration frequency, extending your diesel particulate filter’s life. - β€’ **Injector & Turbo TLC:** Cleans injectors and turbo deposits to restore peak performance and acceleration. - β€’ **Powerful Cetane Boost:** Up to +8 cetane points for faster ignition and smoother rides. - β€’ **Effortless Every Fill-Up:** Add directly with a precision measuring chamber for hassle-free dosing. - β€’ **Universal Diesel Compatibility:** Works seamlessly with all diesel engines, from pickups to heavy-duty rigs. ## Overview Archoil AR6500 Diesel Treatment is a premium 40 oz additive that treats up to 400 gallons of diesel fuel. It enhances fuel lubricity by 43%, boosts cetane by up to 8 points for improved combustion, cleans injectors and turbo deposits, and supports diesel particulate filter health by reducing soot and regeneration frequency. Compatible with all diesel engines, it ensures smoother acceleration, better fuel economy, and extended engine life. ## Description Buy Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster: Diesel Additives - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases Review: Legit works! Boosted mpg, range, and power - I suspect my Audi 3.0 TDI had a clogged cat some 5 years after a DPF delete back in 2019. MPG was down and it felt like it was also down on power. Sometimes the "Italian Tune-up" (high rev driving) would briefly help by blowing a lot of crap out the back, but it would go back to reduced after a day or two. I had been using the Hotshots Every Day in each fill-up, which may have slowed this issue down but it still happened. I also tried Opti-Lube XPD for a few months. Not much, if any, improvement. I do suspect they helped improve cetane values, but idk what else. If I had a good run, I was getting ~560 miles per tank. After some YouTube videos, I decided to try Archoil. I didn't notice anything for a couple fill-ups, but after about 1-1.5 months, I started to notice some slight improvements in mileage to/from work and some other trips. It was getting hard to hit 30 mpg on the way to work, whereas I started hitting 31-32, even with significant traffic. After 2 months, there has been a definite improvement. I'm currently seeing 33+ mpg on the way to work (same conditions as before) and reaching closer to the 38 mpg EPA advertised on my way home. I've also hit 42 mpg coming home from a friends' house, whereas before it was struggling to hit 39. Power feels like it has returned to expected levels compared to the previous treatments. My range is now reporting >600 miles per tank, even dealing with some stop and go traffic. For the results, price, and ease of applying into the tank, I highly recommend using it and I intend to continue using this from hereon out. Review: Ease of use - Works great, my truck loves it, saves me fuel and engine runs smoother, also less regens . ## Features - EASY USE AT EVERY FILL-UP: Add directly to the fuel tank at each fill-up. The long neck and measuring chamber make treating fuel simple. One 40 oz bottle treats up to 400 gallons - FOR ALL DIESEL ENGINES: Suitable for use in all diesel vehicles and equipment - light-duty, heavy-duty, pickup, SUV, van, RV, etc. (including modern HPCR systems) - IMPROVES LUBRICITY (ASTM D6079): Tested to improve lubricity by 43% to help protect fuel system components, including wear-sensitive parts like the CP4 pump - BOOSTS CETANE UP TO +8: Raises cetane up to 8 points for faster ignition, smoother combustion, and improved drivability; many engines run best around 48–50 while pump diesel is often 40–45 - CLEANS INJECTORS: AR6500's detergent package removes injector deposits and restores spray patterns for improved atomization, supporting better performance and fuel economy - SUPPORTS DPF & REDUCES REGENS: Targets deposit formation to help keep the DPF clean and reduce regeneration frequency – restores performance, fuel economy, and extends DPF lifespan - KEEPS TURBO CLEAN: Helps reduce fuel soot and deposit formation that impacts turbo response, restoring boost and smoother acceleration ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09KS9JMDP | | Best Sellers Rank | #183 in Automotive ( See Top 100 in Automotive ) #2 in Diesel Additives | | Brand | Archoil | | Customer Reviews | 4.8 4.8 out of 5 stars (3,944) | | Date First Available | November 1, 2021 | | Item Weight | 2.94 pounds | | Item model number | AR6500-40 | | Manufacturer | Archoil | | Manufacturer Part Number | AR6500-40 | | Package Dimensions | 12.87 x 7.8 x 3.74 inches | ## Images ![Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster - Image 1](https://m.media-amazon.com/images/I/61PN0hNSMfL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can it be used in my vehicle?** A: AR6500 is suitable for use in all diesel vehicles, including newer systems such as High Pressure Common Rail. **Q: What's the difference between AR6500 Diesel Treatment and AR6400-D Diesel Fuel System Cleaner?** A: AR6400-D is a one-tank treatment that rapidly deep cleans the entire fuel system. AR6500 is a on-going maintainance treatment that improves fuel quality at every fill-up. For best results, use both with the Diesel Fuel System Kit. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Legit works! Boosted mpg, range, and power *by B***B on September 23, 2025* I suspect my Audi 3.0 TDI had a clogged cat some 5 years after a DPF delete back in 2019. MPG was down and it felt like it was also down on power. Sometimes the "Italian Tune-up" (high rev driving) would briefly help by blowing a lot of crap out the back, but it would go back to reduced after a day or two. I had been using the Hotshots Every Day in each fill-up, which may have slowed this issue down but it still happened. I also tried Opti-Lube XPD for a few months. Not much, if any, improvement. I do suspect they helped improve cetane values, but idk what else. If I had a good run, I was getting ~560 miles per tank. After some YouTube videos, I decided to try Archoil. I didn't notice anything for a couple fill-ups, but after about 1-1.5 months, I started to notice some slight improvements in mileage to/from work and some other trips. It was getting hard to hit 30 mpg on the way to work, whereas I started hitting 31-32, even with significant traffic. After 2 months, there has been a definite improvement. I'm currently seeing 33+ mpg on the way to work (same conditions as before) and reaching closer to the 38 mpg EPA advertised on my way home. I've also hit 42 mpg coming home from a friends' house, whereas before it was struggling to hit 39. Power feels like it has returned to expected levels compared to the previous treatments. My range is now reporting >600 miles per tank, even dealing with some stop and go traffic. For the results, price, and ease of applying into the tank, I highly recommend using it and I intend to continue using this from hereon out. ### ⭐⭐⭐⭐⭐ Ease of use *by S***. on July 28, 2026* Works great, my truck loves it, saves me fuel and engine runs smoother, also less regens . ### ⭐⭐⭐⭐⭐ Highly recommend this product! *by E***R on July 27, 2026* I have used Archoil in my Diesel Truck, and my heavy equipment now for more than 3 years. I depend on its reliability! Last fall we had to change out the DPF filter in my Cat Skid Steer when it was approaching 3000 hrs, I had been using the product for the past 2yrs or so by that time, I was very happy and somewhat surprised how clean the filter was. The Cat mechanic was very surprised because he has changed out many of these and after the first 3000 hours he has seen DPF Filters where the customer had not been using this product and the filter and system was much much dirtier than mine. He recommended to keep using the product. I add it to my bulk diesel tank before they fill the tank. I will continue using this product as long as they continue to force us to use def! I hate def and wish manufacturers would get rid of it, its costly repairs on pickup trucks and equipment is a huge cost that I believe is completely unnecessary! So if you have a vehicle or equipment that has Def, use this product it will save you money! ## Frequently Bought Together - Archoil AR6500 Diesel Treatment (40.6 oz) - Treats 400 Gallons - Additive for All Diesel Vehicles - Archoil AR9100 Friction Modifier Value Pack - Two 16oz Bottles of AR9100 for Two Powerstroke Treatments… - Archoil AR6400-D Diesel Fuel System Cleaner (Two Pack) - Cleans Injectors, Turbo & DPF --- ## 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.sn/products/375895066-archoil-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel](https://www.desertcart.sn/products/375895066-archoil-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-12*