--- 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: "VT21822" currency: VUV in_stock: true reviews_count: 13 category: "Archoil" url: https://www.desertcart.vu/products/375895066-archoil-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel store_origin: VU region: Vanuatu --- # 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:** VT21822 **Availability:** ✅ In Stock ## Summary > 🚀 Unlock peak diesel performance and never settle for less! ## 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?** VT21822 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/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 - • **Powerful Cetane Boost:** Elevate ignition quality by up to 8 points for smoother, faster combustion and enhanced drivability. - • **DPF Longevity & Efficiency:** Reduces soot deposits to keep your Diesel Particulate Filter cleaner and cut down costly regen cycles. - • **Injector & Turbo Revitalizer:** Cleans injectors and turbo deposits to restore peak spray patterns and turbo response. - • **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 and equipment, including 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 fuel 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 Review: It really works!! - Helps with mpg! Review: Cleans your system. - Good product. Your diesel will love it. Increased my mileage slightly and cleans your system. ## 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 | #205 in Automotive ( See Top 100 in Automotive ) #2 in Diesel Additives | | Brand | Archoil | | Customer Reviews | 4.8 4.8 out of 5 stars (1,855) | | Date First Available | November 1, 2021 | | Item Weight | 2.97 pounds | | Item model number | AR6500-40 | | Manufacturer | Archoil | | Manufacturer Part Number | AR6500-40 | | Package Dimensions | 13.5 x 7.24 x 3.82 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 ### ⭐⭐⭐⭐⭐ It really works!! *by R***Y on March 19, 2026* Helps with mpg! ### ⭐⭐⭐⭐⭐ Cleans your system. *by F***W on March 25, 2026* Good product. Your diesel will love it. Increased my mileage slightly and cleans your system. ### ⭐⭐⭐⭐⭐ Good stuff, convenient to use the Subscribe & Save option to never run out *by S***X on March 26, 2026* Good stuff, have tried several diesel additives. This seems to be the best all around. (And the bottle doesn’t leak!). There is a winter formula for anti-gel as well as friction modifiers and such. ## 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.vu/products/375895066-archoil-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel](https://www.desertcart.vu/products/375895066-archoil-ar6500-diesel-treatment-40-oz-treats-400-gallons-diesel) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-10*