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Best Diesel Fuel Additives

From leading brands and best sellers available on the web.
#1

Winner

STP Diesel Fuel Additive Treatment

STP

STP Diesel Fuel Additive Treatment Bundle, Includes Diesel Injector Cleaner and Ultra 5-in-1 Diesel System Cleaner, Cleans Injectors and Restores Performance For A Smoother Engine, Made in the UK

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#2
STP Ultra 5 in 1 Diesel Fuel System

STP

STP Ultra 5 in 1 Diesel Fuel System Cleaner 400ml , Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

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#3
Archoil AR6900-D Max Advanced Diese

Archoil

Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 1L Treats 1,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (1Litre)

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#4
Archoil AR6400-D MAX Pro DPF Cleane

Archoil

Archoil AR6400-D MAX Pro DPF Cleaner Diesel Fuel System, Diesel Injector Cleaner, Turbo, CAT Cleaner Concentrate - High Strength Carbon Removal & Exhaust Emissions Reduction for MOT Pass (400ml)

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#5
Redex Diesel Fuel System Cleaner 50

Redex

Redex Diesel Fuel System Cleaner 500ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Diesel Engines, Suitable For Hybrids

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Up to 21% off

#6
STP Diesel Particulate Filter Clean

STP

32%OFF

STP Diesel Particulate Filter Cleaner 200 ml, Cleans and Protects Your Filter by Removing Soot in One Treatment, Restores Power and Acceleration, Mechanical Car Cleaning Products, Made in the UK

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#7
Redex Diesel Booster, Diesel Additi

Redex

Redex Diesel Booster, Diesel Additives To Boost Cetane Number, Maximise Performance & Increase Fuel Economy With Redex Diesel Fuel Additive, Boost Diesel Engine Performance & Improve Power, 250ml

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#8
Redex DPF Cleaner Diesel, DPF Diese

Redex

Redex DPF Cleaner Diesel, DPF Diesel Particulate Filter Cleaner To Clear Soot Blockages Quickly & Avoid Costly Repairs, Hassle-Free DPF Cleaner To Prevent Clogging & Reduce Emissions, 250ml

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#9
STP Diesel High Milage Injector Cle

STP

14%OFF

STP Diesel High Milage Injector Cleaner 200 ml, Cleans and Protects your Engine for 300 miles, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

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#10
Wynn's Extreme Diesel System Cleane

Wynn's

Wynn's Extreme Diesel System Cleaner - Deep Cleaning Engine Treatment - Restores Fuel Economy & Reduces Emissions - Prevents Turbo, EGR Valve & DPF Issues - 325ml

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Buying Guide for the Best Diesel Fuel Additives

Choosing the right diesel fuel additive can significantly improve the performance and longevity of your diesel engine. Diesel fuel additives are chemical compounds formulated to enhance the quality and efficiency of diesel fuel. They can help in cleaning the fuel system, improving fuel economy, reducing emissions, and preventing fuel gelling in cold weather. To select the best diesel fuel additive for your needs, it's important to understand the key specifications and how they align with your vehicle's requirements and your driving conditions.
Cetane Number ImproverThe cetane number is a measure of the combustion quality of diesel fuel during compression ignition. A higher cetane number indicates that the fuel ignites more easily and burns more completely, leading to smoother engine operation and reduced emissions. Cetane number improvers can be particularly beneficial for older engines or those that experience rough idling. If you frequently drive in cold weather or have a high-performance diesel engine, look for additives that boost the cetane number.
Lubricity EnhancerLubricity enhancers are additives that reduce friction and wear in the fuel system, particularly in the fuel pump and injectors. This is crucial because modern ultra-low sulfur diesel (ULSD) fuels have lower natural lubricity, which can lead to increased wear and tear on engine components. If you want to extend the life of your engine and maintain optimal performance, choose an additive that includes lubricity enhancers.
Fuel StabilizerFuel stabilizers prevent the degradation of diesel fuel over time, which can lead to the formation of gums, varnishes, and other deposits that clog the fuel system. This is especially important if your vehicle sits unused for extended periods. If you store diesel fuel for long durations or have a backup generator, a fuel stabilizer can help maintain fuel quality and ensure reliable engine starts.
Anti-Gel AdditiveAnti-gel additives prevent diesel fuel from gelling or thickening in cold temperatures, which can clog fuel lines and filters, making it difficult to start the engine. These additives are essential for those who operate diesel vehicles in cold climates. If you live in or travel to areas with freezing temperatures, an anti-gel additive will help keep your fuel flowing smoothly.
DetergentsDetergents in diesel fuel additives help clean the fuel system by removing deposits from injectors, valves, and combustion chambers. This can improve fuel efficiency, reduce emissions, and restore lost power. If you notice a decrease in engine performance or fuel economy, or if you drive a high-mileage vehicle, look for additives with strong detergent properties.
Corrosion InhibitorsCorrosion inhibitors protect the metal components of the fuel system from rust and corrosion, which can be caused by water contamination in the fuel. This is important for maintaining the integrity and longevity of the fuel system. If you operate in humid environments or use biodiesel blends, which can attract more water, a corrosion inhibitor is a wise choice.
Emissions ReducersEmissions reducers are additives designed to lower the levels of harmful exhaust emissions, such as particulate matter and nitrogen oxides. These can help your vehicle meet environmental regulations and reduce its environmental impact. If you are concerned about air quality or need to comply with stringent emissions standards, consider an additive that focuses on reducing emissions.