10 bestDiesel Fuel Additivesof July 2026
112M consumers helped this year.
1
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)
Archoil
9.9
2
DERV Control - Biocide for Diesel/Gas Oil & Red Diesel (25 Litres)
Chemiphase
9.8
3
Archoil AR6400-D MAX Pro DPF Cleaner Diesel - Diesel Injector and Particulate Filter Treatment - Fuel System Cleaner - EGR, Turbo and Emissions Additive for MOT Pass - 400ml Concentrate
Archoil
9.6
18% off
4
Wynn's Diesel Particulate Filter Cleaner - Cleans & Regenerates Blocked DPF Soot Filters - Reduces Soot Formation & Emissions - Compatible with Diesel & Hybrid Diesel up to B30-325ml
Wynn's
9.3
5
Wynn's Diesel Power 7 Complete Action Fuel Additive Optimises Engine Performance 1L
Wynn's
9.1
OtherUp to 5% off
Dipetane 1L Fuel Additive | Improve Fuel Economy | Reduce Emmisions | Helps keep DPF Clean Diesel and Petrol | Flush and clean Engine, Injector and EGR valve- Treats 200L of Fuel
Hydra DPB-100 Diesel Power Blast - Diesel Fuel System Cleaner | Diesel Injector Cleaner with Diesel Fuel Additive | 1 Litre Treats 1,000L
WOL Diesel Additive Injector Cleaner Liqui Moly Super Diesel Additive 250ml - Fuel System Cleaner - DPF Cleaner Diesel 1806 - Diesel Particulate Filter Cleaner (3 UNIT)
BG 2 Pack 44k Bg44k Fuel System Cleaner Power Enhancer 11 Oz Cans
43% off
6
Redex DPF Cleaner Diesel, Diesel Particulate Filter Cleaner, 250 ml
Redex
8.8
7
Redex Diesel Fuel System Cleaner 250ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy Fuel Additives For Diesel Engines, Suitable For Hybrids (Pack of 2)
Redex
8.6
9% off
8
Wynn's High Performance Diesel Fuel System Treatment - Enhances Combustion, Improves Acceleration, Reduces Fuel Consumption & Black Smoke - 500ml
Wynn's
8.3
9
Wynn's Professional Diesel Particulate Filter Regenerator- Clears Blocked DPS & Reduces Soot Emissions- No Dismantling Required - Enhances Combustion & Lowers Soot Build-Up- 500ml - Packaging May Vary
Wynn's
8.0
10% off
10
Wynn's Diesel Turbo Cleaner - Removes Carbon Build-Up & Frees Sticking Vanes - Cleans Diesel Oxidation Catalyst & EGR Valve - Restores Engine Power & Reduces Soot Emissions - 500ml
Wynn's
7.8
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A Guide to Selecting 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 Improver
The 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 Enhancer
Lubricity 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 Stabilizer
Fuel 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 Additive
Anti-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.
Detergents
Detergents 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 Inhibitors
Corrosion 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 Reducers
Emissions 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.
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