Top 7 Diesel Treatment Additive UK – Fuel Systems

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1. Millers Oils

Millers Oils Diesel Power Ecomax Fuel Additive Treatment 500ml

Millers Oils - High specification diesel fuel additive treatment for enhanced combustion efficiency and engine cleanliness, now with improved detergency.
BrandMillers Oils
ManufacturerMillers Oils
Part Number6204-1

2. STP

STP GST54200EN Diesel Treatment 200 ml

STP - Reduces diesel consumption. Reduces engine noise. Improves cold start performance. For capless fuel tanks, please use manufacturer supplied funnel to pour in STP additive. Reduces exhaust smoke. Keeps injectors clean.
ManufacturerArmor All
Part NumberGST54200EN


HYDRA EHN-99, 2-Ethylhexyl-Nitrate 99% Pure 2 EHN Performance Enhancer Cetane Booster Diesel Treatment Additive 5L Treats up to 5000L

HYDRA - Diesel treatment reduces harmfull emmissions… use for cetane booster diesel engine applications, improves performance and economy in all types of diesel engines whilst reducing harmful emissions.

Massive cetane boost… raises cetane rating by up to 4 to 8 points this improves cold start, reduces engine noise and engine knock, reduces black smoke and particulate matter. Cost effective 2-ethylhexyl nitrate… a little goes a long way, 5 litre treats up to 5000 litres of diesel fuel. Great for bio diesel… ideal for home-made biodiesel made from cooking oils, ULSD, diesel, gas oil, also boosts cetane ratings of any diesel type fuel that has a low cetane rating including red derv, MGO etc.

Improves performance cetane booster diesel… 2 ehn is the best product to give a cetane boost, a performance enhancer which improves performance and economy, engine runs smoother with better pickup.
ManufacturerHydra International Ltd
Part Number2-EHN

4. Forte

Forte Advanced Formula Diesel Treatment 400ml

Forte - Improves engine performance and response. Reduces black smoke emissions. Lubricates and extend the life of injectors and fuel pump. Restores injector spray patterns. Maintains egR valve and variable vane turbo cleanliness.
Part Number44617

5. Roaduserdirect Car Care Packages

Roaduserdirect Car Care Packages STP DIESEL PACK Engine Flush/Injector Cleaner/Fuel Treatment Additive

Roaduserdirect Car Care Packages - 1 x stp diesel injector cleaner 200ml. 1 x stp diesel treatment 200ml. 1 x emoji air freshener Freshener May Vary Depending On Stock Availability. 1 xstp engine flush 450 ml.
BrandRoaduserdirect Car Care Packages
ManufacturerRoaduserdirect Car Care Packages
Part NumberRUD-7458


HYDRA FPB-77 FuelPlus Multi-biocide, removes slime and sludge 100ml treats up to 1000 litres, diesel bug treatment ideal for cleaning diesel fuel and liquid fuels, fuel system cleaner

HYDRA - Ideal for long term fuel storage, 000L. For all liquid fuels… including diesel, kerosene, protects cleaned systems for up to 2 years 100ml treats up to 1, gas oil, red derv, petrol, heating oil etc.

Achieving 100% kill rates, 100% of the time, in any fuel anywhere in the world. Multi-biocide… the essential multi-biocide synergistic fuel clean for your engine. Best fuel microbe killer… rapidly removes problem bio sludge build-up in fuel lines, filters and injectors, fuel tanks, heavy plant, generators, used in cars, farm equipment, classic cars, trucks, vans, boats, bikes etc. Gives a very thorough clean of all internal fuel system components.

Hydra fpb-77 has been used for years and is highly effective and keeps working. 100% cleaned fuel system… it is essential to use the correct product when cleaning fuel and fuel systems. Ideal for polishing fuel… ideal for polishing fuel, a process where a series of filters remove fuel bio sludge build-up from recirculated fuel.
ManufacturerHydra International Ltd
Part NumberHYD56465

7. WOL

WOL Hydraulic System Cleaner Treatment, Liqui Moly 2770 Hydraulic Lifter Additive 300ml – Vehicle Lubricant, Hydraulic Valve Lifter Treatment 2, For All Gasoline And Diesel Engines

WOL - Best for - all gasoline and diesel engines. After adding, run the engine until warm. For petrol and diesel engines with or without turbocharger. Effective lubricant - lubricates and releases sticking valves.

The product can be added at any time. How to use - one 300 ml can of liqui moly hydraulic tappet additive is sufficient for up to 6 litres motor oil. Cleans valve bores reduces valve train noise. Secures optimal hydro tappet performance. Restores efficient working of hydraulic valve lifters. Can be mixed with all commercially available motor oils. Restores lost power. Increases the reliability and travel comfort of the vehicle. Oil soluble supplement developed to clean away internal engine deposits that create noise and reduce efficiency. Lubrication holes and ducts in the oil circuit are cleaned. Benefits - prevents hydro tappet noise.
Part Number2770