10 bestDiesel Cleanerof April 2025
112M consumers helped this year.
41% off
1
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
STP
9.9
2
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 4 x 500ml
Cataclean
9.8
3
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml
Cataclean
9.7
12% off
4
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
Redex
9.5
5
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
9.3
OtherUp to 11% off
SYPRIN Diesel Cleaner 500ml - cleaning and maintenance of diesel fuel systems and motors I diesel cleaner additives for injector dpf particulate filter motor
Wynn's 5L Off-Car Diesel Particulate Filter Cleaner Removes Soot & Deposits From DPFs
Wynn's Professional Formula Extreme Diesel Injector Cleaner Fuel System Additive 500ml
2 x Liqui Moly Diesel Particulate Filter Protector DPF Cleaner Regenerator 250ml
25% off
6
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
Redex
9.1
7
Wynn's Extreme Diesel System Fuel Injector Cleaner Engine Additive Treatment 325ml
Wynn's
8.8
8
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)
Archoil
8.6
18% off
9
STP Diesel Fuel Additive Twin Pack
STP
8.3
10
SYPRIN Diesel Additive and Cleaner Bundle - maintaining and cleaning for diesel fuel motors engines systems injectors I engine injector - 250ml + 500ml
SYPRIN
8.0
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A Guide to Selecting the Best Diesel Cleaner
Choosing the right diesel cleaner can significantly improve the performance and longevity of your diesel engine. Diesel cleaners help to remove deposits, improve fuel efficiency, and reduce emissions. When selecting a diesel cleaner, it's important to consider several key specifications to ensure you pick the best product for your needs. Here are the key specs to look out for and how to navigate them.
Cleaning Power
Cleaning power refers to the effectiveness of the diesel cleaner in removing deposits and contaminants from the fuel system. This is important because a cleaner fuel system can lead to better engine performance and fuel efficiency. Cleaning power can vary from mild to strong. If your engine is relatively new or well-maintained, a mild cleaner may be sufficient. For older engines or those with significant deposits, a stronger cleaner may be necessary. Consider the condition of your engine when choosing the cleaning power.
Compatibility
Compatibility indicates whether the diesel cleaner is suitable for your specific type of diesel engine. This is crucial because using an incompatible cleaner can cause damage to the engine or fuel system. Diesel cleaners are generally formulated for either light-duty (passenger vehicles) or heavy-duty (trucks, industrial equipment) engines. Always check the product label to ensure it matches your engine type. If you are unsure, consult your vehicle's manual or a professional mechanic.
Additives
Additives are additional chemicals included in the diesel cleaner to enhance its performance. Common additives include lubricants, cetane boosters, and anti-gel agents. Lubricants help reduce wear on engine components, cetane boosters improve combustion efficiency, and anti-gel agents prevent fuel from gelling in cold temperatures. Depending on your needs, you may want a cleaner with specific additives. For example, if you live in a cold climate, an anti-gel agent is beneficial. Consider what additional benefits you need from the cleaner.
Frequency of Use
Frequency of use refers to how often the diesel cleaner should be used. This can range from every tank of fuel to once every few thousand miles. Regular use can help maintain a clean fuel system, but overuse can be unnecessary and costly. If you drive frequently or have an older engine, you might need to use the cleaner more often. For newer engines or less frequent driving, occasional use may be sufficient. Follow the manufacturer's recommendations and consider your driving habits.
Ease of Use
Ease of use describes how simple it is to add the diesel cleaner to your fuel system. Some products come in easy-to-pour bottles, while others may require more careful measurement. This is important because a product that is difficult to use may discourage regular maintenance. If you prefer convenience, look for a cleaner with a user-friendly design. Consider your comfort level with handling automotive products when making your choice.
Environmental Impact
Environmental impact refers to the cleaner's effect on the environment. Some diesel cleaners are formulated to be more eco-friendly, reducing harmful emissions and using biodegradable ingredients. This is important for reducing your carbon footprint and complying with environmental regulations. If environmental considerations are important to you, look for products labeled as eco-friendly or biodegradable. Consider the environmental impact as part of your overall decision-making process.
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