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10 bestFuel Additivesof April 2025

112M consumers helped this year.

47% off

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

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50% off

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

9.8

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7% off

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

9.6

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39% off

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

STP

9.4

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Wynn's Extreme Diesel System Fuel Injector Cleaner Engine Additive Treatment 325ml

Wynn's

9.2

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OtherRelated productsUp to 25% off

STP Diesel Fuel Additive Twin Pack

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Liqui Moly 1803 Injection Cleaner 300ml

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Wynn's Diesel Injector Cleaner Engine Fuel System Additive Treatment 325ml

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STA-BIL Storage Fuel Stabilizer - Keeps Fuel Fresh For Up To Two Years, Effective In All Gasoline Including All Ethanol Blended Fuels, For Quick, Easy Starts, Treats Up To 40 Gallons, 16oz (22207),Red

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15% off