STP Diesel Bundle contains STP Diesel Injector Cleaner 200ml and STP Ultra 5-in-1 Diesel System Cleaner 400ml

Cleans & Unclogs: Powerful STP Diesel Injector Cleaner clears dirty injectors with just one treatment

Restores Performance: STP Ultra 5-in-1 System Cleaner is our most advanced diesel formula, helping to remove deposits and clear dirty injectors

Lowers Emissions: A cleaner engine may mean less exhaust emissions and lower fuel consumption

For All Diesel Engines: Suitable for all diesel engines including DI, IDI and common rail, and catalytic converters

Quick & Easy: Simply pour the entire bottle of STP Diesel Injector Cleaner or STP Diesel System Cleaner into a full tank

Reduces Rough Idling: For a smoother engine experience

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. 2 x 250ML bottle treats up to 500L 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.

✅ [ IMPROVES FUEL ECONOMY ] Increase fuel economy by up to 10% due to Dipetane enabling a more efficient and complete fuel burn saving you money.

✅ [ AIDS DPF CLEAN ] Dipetane is a complete fuel system cleaner it helps keep DPF and Catalytic Convertors clean. Also cleans and keeps clean; valves, pistons, injectors, sensors and EGR valves. Helps engine last longer giving complete Engine Flush. Works alongside Ad Blue and compliments the AdBlue benefits.

✅ [ LESS SMOKE ] Dipetane will remove soot and other internal combustion deposits from the engine through the complete combustion process created by Dipetane meaning less exhaust smoke and restores performance.

✅ [ FOR ALL ENGINES ] Ideal for all vehicles, Diesel, Petrol or kerosene engines, our unique fuel treatment upgrades all fuels without additives. No detergents, no cetane enhancers, no octane boosters, and no heavy metals. Simply pour it into your fuel tank, and it gets to work right away.

✅ [ REDUCE EMISSIONS] Increases the air/fuel mixing rate, creates cleaner combustion, resulting in a substantial reduction in harmful emissions by up to 25%, positively contributing to the environment with less greenhouse gases entering the atmosphere and helping you pass your MOT.

✅ [ BEST VALUE ] Our large 1 Litre bottle treats 4 full tanks or 200 Litres of fuel (Petrol, Diesel or Kerosene). There are 10 marked divisions on the side of the 1 litre bottle, each division treats 20 litres of fuel with no danger of overdosing.

What You'll Get - 400 ml Diesel Fuel System Cleaner

Concentrated Cleaning Power - Cleans and conditions the entire fuel delivery system in one tank

Restores Power and Performance - Recovers peak engine performance by removing harmful deposits

Protects Your Engine - Reduces friction and protects key engine parts from wear and corrosion

Reduces Diesel consumption and exhaust emissions - promotes better fuel economy

DPF DIESEL PARTICULATE FILTER CLEANER: Use Redex DPF Cleaner Diesel, the specialist diesel additive and cleaner, to keep your Diesel Particulate Filter (DPF) clean - this will prevent costly repairs and a lot of stress.

CLEARS SOOT FAST: Our DPF Cleaner is designed to remove the soot that builds up in your DPF by lowering the temperature at which it burns - this means that more soot will burn off without you having to get your engine very hot.

KEEP ON TOP OF YOUR DPF CLEANING: If you want to maintain your car’s DPF, so that the warning light never comes on, try adding a shot of Redex DPF Cleaner to your car with every 2-3 tanks of fuel.

HOW TO USE: Pour the Redex DPF Cleaner directly into your fuel tank. Thanks to our specially designed bottle, you can add the product directly to your car through the fuel filler cap, where it will mix with diesel and circulate through the system.

OVER 100 YEARS OF EXCELLENCE: At Redex, we have spent over a century offering solutions to your car troubles to make your life easier and stress free. If you want the perfect tools to maintain, repair or clean your vehicle, we have what you need.

Packaging may vary

✅ CLEANS THE ENTIRE DIESEL FUEL SYSTEM: Effectively removes dirt, carbon deposits, and other harmful residues that accumulate within the fuel system over time. Ensures a cleaner and more efficient combustion process by thoroughly cleaning key components such as the fuel pump, diesel injectors, and intake valves. By dissolving stubborn contaminants, it helps prevent clogging and improves the overall efficiency of the fuel delivery system. Designed to work in a single treatment, providing a powerful 'one tank' clean-up that restores optimal fuel system functionality.

✅ RESTORES FUEL ECONOMY: This product helps optimise fuel consumption by ensuring a cleaner and more efficient fuel-burning process. By eliminating harmful deposits and improving fuel atomisation, it contributes to a smoother and more complete combustion cycle. This results in less fuel waste and improved miles per gallon, allowing for greater cost savings over time. By restoring lost performance, the cleaner enables engines to operate at peak efficiency, reducing unnecessary fuel consumption caused by inefficient combustion. Ideal for vehicles experiencing a decline in fuel economy due to carbon build-up and fuel injector blockages.

✅ PREVENTS PROBLEMS WITH TURBO, EGR VALVE & DPF: Designed to maintain the cleanliness of crucial engine components such as the turbocharger, Exhaust Gas Recirculation (EGR) valve, and Diesel Particulate Filter (DPF). Helps prevent carbon and soot build-up, which can lead to blockages and reduced performance. By keeping these components clean, it enhances engine efficiency and reduces the risk of costly repairs. Supports proper airflow and exhaust circulation, ensuring smooth turbo operation and reducing emissions. Helps to minimise common diesel engine issues such as sluggish acceleration, excessive smoke, and reduced power caused by carbon deposits.

✅ ELIMINATES AND AVOIDS STARTING PROBLEMS: Effectively addresses hard starting issues caused by contaminated fuel or clogged injectors. Ensures a smoother ignition process by restoring proper fuel flow and combustion efficiency. Helps eliminate rough idling, misfires, and hesitation that often result from a dirty fuel system. By cleaning the fuel injectors and fuel pump, it improves cold starts and reduces strain on the battery and starter motor. Ideal for vehicles that experience difficulties starting due to carbon deposits and injector blockages. Consistent use helps prevent future starting problems and maintains reliable engine operation under various driving conditions.

✅ RESTORES LOST ENGINE PERFORMANCE & REDUCES EMISSIONS: The Extreme diesel system cleaner revitalises the engine power by cleaning and protecting critical fuel system components. Improves throttle response, acceleration, and overall drivability by ensuring an uninterrupted fuel supply. Reduces harmful exhaust emissions by promoting cleaner combustion and minimising unburned fuel residues. Helps the engine run more smoothly and quietly, reducing vibrations and improving overall efficiency. Supports compliance with emission standards by lowering carbon monoxide, nitrogen oxides, and particulate matter in exhaust gases.

REDEX DIESEL FUEL ADDITIVE: Use Redex Diesel Treatment Fuel Additive, the specialist diesel system cleaner, lab designed to maximise performance and offer potential increases in fuel economy for your diesel engine.

IMPROVE ENGINE LIFE: This incredible Diesel Injector Cleaner removes harmful deposits that build up in the fuel system, which will help prolong your engine’s life, and improve day-to-day performance. Don’t settle for anything less.

SAVE FUEL & REDUCE EMISSIONS: By cleaning out those harmful deposits, Redex Diesel Additive and Cleaner will help your car become more fuel efficient, meaning you will reduce your emissions and use less fuel.

EASY TO USE DIESEL CLEANER: Pour one shot of Redex Fuel Additive directly into your fuel tank. It can be used as often as you like to keep your engine running well. We recommend using a shot in each tank.

OVER 100 YEARS OF EXCELLENCE: At Redex, we have spent over a century offering solutions to your car troubles to make your life easier and stress free. If you want the perfect tools to maintain, repair or clean your vehicle, we have what you need.

REDEX DIESEL FUEL ADDITIVE: Use Redex One Shot Fuel Additive, the specialist diesel system cleaner, lab designed to maximise performance and offer potential increases in fuel economy for your diesel engine.

IMPROVE ENGINE LIFE: This incredible Diesel Fuel Additive removes harmful deposits that build up in the fuel system, which will help prolong your engine’s life, and improve day-to-day performance. Don’t settle for anything less.

SAVE FUEL & REDUCE EMISSIONS: By cleaning out those harmful deposits, Redex Diesel Additive and Cleaner will help your car become more fuel efficient, meaning you will reduce your emissions and use less fuel.

EASY TO USE DIESEL CLEANER: Pour one shot of Redex Fuel Additive directly into your fuel tank. It can be used as often as you like to keep your engine running well. We recommend using a shot in each tank.

OVER 100 YEARS OF EXCELLENCE: At Redex, we have spent over a century offering solutions to your car troubles to make your life easier and stress free. If you want the perfect tools to maintain, repair or clean your vehicle, we have what you need.