EXCEPTIONAL HIGH-PERFORMING SUPER DIESEL FUEL. AR6900-D MAX converts low-quality supermarket diesel into high-performing Super Diesel Fuel using a carefully selected blend of pure 2-EHN cetane improver, multiple detergents, ester lubricant, stabiliser and combustion catalyst.

HIGHLY CONCENTRATED FORMULATION with no fillers. 100% Active Ingredients and manufactured in the UK. 1ml Treats 1L of Diesel Fuel. 1L bottle treats up to 1,000L of fuel.

TRANSFORMS ALL DIESEL ENGINES GUARANTEED. Improved Cold Start, Eliminates Diesel Knock, Fuel System Cleaner, Fuel Injector Cleaner, Carbon Cleanr, DPF Cleaner, EGR Valve Cleaner, CAT Cleaner, Turbo Cleaner and Exhaust cleaner.

MAXIMUM ENGINE PERFORMANCE AND FUEL ECONOMY. This diesel additive maintains & improves engine pickup, performance and fuel economy. This diesel additive also lowers harmful exhaust emissions and exhaust particulates.

RESOLVES ENGINE PROBLEMS. Multiple detergents and post-combustion fuel-borne catalysts deliver a proprietary blend of Professional Grade Cleaning. Now you can reduce the chance of engine problems while enjoying a smoother and more responsive engine.

CLASS LEADING CETANE IMPROVER AND ESTER LUBRICANT using the highest purity 2-EHN and proprietary ester lubricant delivering below 290 on the HFRR scar wear test.

CUSTOMER SATISFACTION IS OUR PRIORITY. Feel free to contact us if you have any query regarding this diesel cleaner. All Archoil fuel cleaners include professional support and Performance and Emissions Pass Guarantee. Over a decade of success and trusted by professionals.

FAST, SAFE AND THOROUGH CLEANING. Suitable for all diesel engines, AR6400-D engine MAX contains a proprietary blend of carefully selected diesel additives / detergents and acts as a diesel particulate filter cleaner, egr cleaner and entire fuel system cleaner (fuel injectors, fuel filter, fuel pump, fuel lines). Also cleans engine, combustion area, glow plugs, turbo, DPF and catalytic converter.

RESOLVES AND PREVENTS RUNNING ISSUES. This diesel engine cleaner helps free a problematic EGR and rapidly reduces harmful emissions and unwanted smoke from the exhaust. Resolve engine running issues and restore lost engine performance and fuel economy. Enjoy a smoother and more responsive engine.

RESTORES ENGINE PERFORMANCE AND IMPROVES FUEL ECONOMY. This diesel fuel additive / diesel cleaner has been shown to enhance fuel mileage year round, by acting as a diesel fuel system cleaner, fuel injector cleaner, diesel turbo cleaner and catalytic converter cleaner.

FULL ESTER LUBRICATION. Additional diesel treatment functions include a proven Cetane Improver using the highest purity 2-EHN, proprietary ester lubricant, water remover and much more.

CUSTOMER SATISFACTION IS OUR PRIORITY. Feel free to contact us if you have any query regarding this petrol cleaner. All Archoil fuel cleaners include professional support and Performance and Emissions Pass Guarantee. Over a decade of success and trusted by professionals.

✅ HEAVY-DUTY CLEANING SOLUTION FOR SEVERELY BLOCKED DPFs: Designed specifically for Diesel Particulate Filters (DPFs) that are heavily clogged with more than 70% soot loading. When standard regeneration methods fail to restore the filter’s functionality, this cleaning solution provides a powerful alternative. Formulated to break down stubborn soot, ash, and other particulate matter, it effectively eliminates obstructions that hinder proper engine performance.

✅ PROFESSIONAL-GRADE IN-HOUSE WORKSHOP CLEANING FORMULA: Developed as a specialised workshop solution, this formula is designed for professional use when dealing with critically clogged DPFs. Unlike standard cleaning additives, this advanced chemical formulation requires the removal of the filter from the vehicle to ensure thorough cleaning. By soaking the DPF for approximately two hours, the solution penetrates deep into the filter’s structure, dissolving accumulated deposits and restoring airflow.

✅ READY-TO-USE AND EASY APPLICATION FOR MAXIMUM EFFECTIVENESS: This DPF cleaner is pre-mixed and does not require any dilution, simplifying the cleaning process and ensuring precise chemical composition. For proper application, the Diesel Particulate Filter must be dismounted from the vehicle before treatment. Once removed, the solution is applied directly to the filter, allowing it to soak for the recommended time to maximise cleaning performance. No complex preparation or mixing is required, making the process straightforward while delivering exceptional results.

✅ SAFE, BIODEGRADABLE FORMULATION FOR ALL DPF TYPES: Manufactured with a biodegradable composition, this cleaner is safe for use on all types of Diesel Particulate Filters. The carefully developed formula ensures that it does not affect the function of the catalytic elements present in the filter, maintaining the integrity of the emissions system. It is designed to remove contaminants without causing damage to delicate components, making it a reliable solution for restoring blocked DPFs while prioritising environmental responsibility.

✅ RESTORES PROPER DPF PRESSURE LEVELS AND ENGINE PERFORMANCE: By effectively eliminating blockages caused by soot, ash, and other harmful contaminants, this cleaner plays a crucial role in restoring the DPF to its correct pressure levels. A clean DPF allows the engine to function as intended, reducing backpressure and improving fuel efficiency. Vehicles struggling with poor acceleration, increased emissions, and frequent regeneration cycles can benefit from this deep-cleaning treatment, ensuring smoother performance and prolonged filter life.

FAST, SAFE AND THOROUGH CLEANING. Suitable for all diesel engines, AR6400-D engine MAX contains a proprietary blend of carefully selected diesel additives / detergents and acts as a diesel particulate filter cleaner, egr cleaner and entire fuel system cleaner (fuel injectors, fuel filter, fuel pump, fuel lines). Also cleans engine, combustion area, glow plugs, turbo, DPF and catalytic converter.

RESOLVES AND PREVENTS RUNNING ISSUES. This diesel engine cleaner helps free a problematic EGR and rapidly reduces harmful emissions and unwanted smoke from the exhaust. Resolve engine running issues and restore lost engine performance and fuel economy. Enjoy a smoother and more responsive engine.

RESTORES ENGINE PERFORMANCE AND IMPROVES FUEL ECONOMY. This diesel fuel additive / diesel cleaner has been shown to enhance fuel mileage year round, by acting as a diesel fuel system cleaner, fuel injector cleaner, diesel turbo cleaner and catalytic converter cleaner.

FULL ESTER LUBRICATION. Additional diesel treatment functions include a proven Cetane Improver using the highest purity 2-EHN, proprietary ester lubricant, water remover and much more.

CUSTOMER SATISFACTION IS OUR PRIORITY. Feel free to contact us if you have any query regarding this petrol cleaner. All Archoil fuel cleaners include professional support and Performance and Emissions Pass Guarantee. Over a decade of success and trusted by professionals.

Restores Blocked Filters – Effectively breaks down soot, carbon, and ash buildup in diesel particulate filters that cannot regenerate on their own.

Non-Flammable & Metal-Free – Safe to use with no risk of combustion or metal residue, protecting your vehicle’s emission system.

Dual Cleaning Action – Cleans both the DPF and EGR valve system for improved airflow, engine performance, and fuel efficiency.

Supports Regeneration Process – Helps restore the filter’s ability to self-clean during high-speed driving conditions.

Easy Application – Designed for use by professionals and vehicle owners alike—just follow manufacturer's guidelines for optimal results.

Restores Blocked Filters – Effectively breaks down soot, carbon, and ash buildup in diesel particulate filters that cannot regenerate on their own.

Non-Flammable & Metal-Free – Safe to use with no risk of combustion or metal residue, protecting your vehicle’s emission system.

Dual Cleaning Action – Cleans both the DPF and EGR valve system for improved airflow, engine performance, and fuel efficiency.

Supports Regeneration Process – Helps restore the filter’s ability to self-clean during high-speed driving conditions.

Easy Application – Designed for use by professionals and vehicle owners alike—just follow manufacturer's guidelines for optimal results.

✅ CLEARS BLOCKED DPFs AND REDUCES SOOT EMISSIONS: Formulated to effectively clear blocked diesel particulate filters, this advanced solution restores optimal airflow and ensures efficient engine performance. By breaking down and eliminating accumulated soot, the product helps maintain the longevity of the diesel filter, reducing the need for costly maintenance or replacement. A clean particulate filter also contributes to lower emissions, making the vehicle more environmentally friendly by minimising the release of harmful soot particles.

✅ EASILY CLEANS AND REGENERATES A BLOCKED DIESEL SOOT FILTER WITHOUT DISMANTLING: Specially engineered to work without the need for disassembly, this powerful formula allows quick and effective cleaning of blocked diesel particulate filters. Its highly active components penetrate deep into the filter, dissolving stubborn soot deposits and improving overall efficiency. The simple application ensures immediate results, helping to restore optimal exhaust flow without mechanical intervention. Ideal for diesel engines experiencing filter blockages, this solution provides a convenient way to maintain the performance of the exhaust system with minimal effort.

✅ CATALYST FOR OPTIMISED COMBUSTION AND DECREASED SOOT BUILD-UP: By acting as a combustion catalyst, this formula optimises the burning process of diesel fuel, resulting in lower soot production and improved engine efficiency. Its advanced chemical composition enhances the breakdown of carbon deposits, ensuring cleaner fuel combustion and preventing excessive soot accumulation. This not only improves engine power and fuel economy but also reduces harmful emissions. With regular use, the risk of clogging in the diesel particulate filter is significantly reduced, contributing to long-term engine health and improved vehicle performance.

✅ REDUCES THE COMBUSTION TEMPERATURE OF SOOT SO THAT THE SOOT PARTICLES BURN FASTER AND AT A LOWER TEMPERATURE: Designed to lower the ignition temperature of soot particles, this formula facilitates quicker and more efficient burning of accumulated soot in the diesel particulate filter. By reducing the required combustion temperature, the regeneration process occurs more frequently and effortlessly, preventing excessive build-up and maintaining filter efficiency. This feature is particularly beneficial for vehicles frequently used in urban areas or for short trips, where natural regeneration might not occur as effectively.

✅ REGENERATION PROCESS STARTS IMMEDIATELY - SUPER-FAST RESULTS: Engineered for rapid action, this highly effective diesel particulate filter cleaner initiates the regeneration process immediately upon application. Unlike traditional cleaning solutions that take extended periods to show results, this formulation quickly dissolves accumulated soot and restores proper filter function. The immediate effect minimizes downtime, ensuring the vehicle remains in optimal working condition. With its fast-acting properties, it helps maintain peak engine performance, allowing for smoother operation and better fuel efficiency while reducing the likelihood of costly repairs.

ENHANCED DPF REGENERATION: Our premium additive with cerium helps to optimise the performance of diesel particulate filters in diesel engines. It aids the regeneration process, reducing soot build-up & preventing clogging.

PREVENT A BLOCKED DPF: The advanced formula works to burn off soot at a lower temperature, which protects the filter core & leaves less ash residue, for a cleaner exhaust system.

OPTIMAL ENGINE PERFORMANCE: Maintain peak engine performance & improve power output & fuel efficiency by keeping the DPF clean. It can extend the service life of your DPF, reducing maintenance costs & the need for costly repairs.

LESS EMISSIONS: The additive helps to keep the DPF clean which can lower harmful exhaust emissions, reducing your vehicle's carbon footprint.

EASY TO USE ADDITIVE: Simply add to a tank of diesel & drive as normal; suitable for all diesel engines. Easily keep the exhaust system clean; apply the solution regularly to maintain optimal engine performance.