--- product_id: 375895066 title: "AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster" price: "412.64 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/375895066-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel-fuel store_origin: TN region: Tunisia --- # Treats 400 gallons per 40 oz bottle Boosts cetane by up to +8 points Improves lubricity by 43% (ASTM D6079) AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster **Price:** 412.64 DT **Availability:** ✅ In Stock ## Summary > 🔥 Unlock peak diesel performance and never settle for less! ⛽ ## Quick Answers - **What is this?** AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster - **How much does it cost?** 412.64 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/375895066-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel-fuel) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerful Cetane Boost:** Elevate ignition quality by up to 8 points for smoother, faster combustion and enhanced drivability. - • **DPF Longevity & Efficiency:** Reduces soot buildup and regeneration frequency, extending your Diesel Particulate Filter’s life. - • **Injector & Turbo Revitalizer:** Cleans injectors and turbo deposits to restore peak spray patterns and turbo responsiveness. - • **Effortless Every-Fill Fuel Care:** Add directly at every fill-up with a precision measuring chamber for hassle-free dosing. - • **Universal Diesel Engine Compatibility:** Perfect for all diesel vehicles—from pickups to heavy-duty rigs and modern HPCR systems. ## Overview Archoil AR6500 Diesel Treatment is a premium 40 oz additive that treats up to 400 gallons of diesel fuel. It improves lubricity by 43%, boosts cetane by up to 8 points, cleans injectors, controls DPF and turbo deposits, and is compatible with all diesel engines including modern HPCR systems—ensuring enhanced engine protection, fuel economy, and smoother performance. ## 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 ✓ FREE DELIVERY possible on eligible purchases ## 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 | #178 in Automotive (See Top 100 in Automotive) #2 in Diesel Additives | | Brand | Archoil | | Customer Reviews | 4.8 4.8 out of 5 stars (4,034) 4.8 out of 5 stars | | Date First Available | November 1, 2021 | | Item Model Number | AR6500-40 | | Item Weight | 2.95 pounds | | Manufacturer | Archoil | | Manufacturer Part Number | AR6500-40 | | Package Dimensions | 14.09 x 7.8 x 3.35 inches | ## Images ![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. ## 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? - 🛒 **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/375895066-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel-fuel](https://www.desertcart.tn/products/375895066-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel-fuel) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-11-11*