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10 Best Diesel Fuel Additives For A Cleaner And More Efficient Engine - May 2026

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Last Updated: 27-05-2026

1

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

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

Redex

9.8

9.8

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2

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

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

Wynn's

9.6

9.6

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3

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

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

STP

9.5

9.5

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4

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 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

9.2

9.2

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5

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 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

9.1

9.1

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6

WYNNS Professional Diesel Injector Cleaner - One-Tank Solution for Optimal Fuel System Performance - Cleans & Lubricates Injectors - Improves Fuel Economy & Engine Efficiency - 500ml

WYNNS Professional Diesel Injector Cleaner - One-Tank Solution for Optimal Fuel System Performance - Cleans & Lubricates Injectors - Improves Fuel Economy & Engine Efficiency - 500ml

Wynn's

8.8

8.8

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7

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

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

STP

8.6

8.6

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8

Wynn's High Performance Diesel Fuel System Treatment - Enhances Combustion, Improves Acceleration, Reduces Fuel Consumption & Black Smoke - 500ml

Wynn's High Performance Diesel Fuel System Treatment - Enhances Combustion, Improves Acceleration, Reduces Fuel Consumption & Black Smoke - 500ml

Wynn's

8.4

8.4

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9

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

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

DIPETANE

8.2

8.2

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10

STP GST59200EN Diesel Injector Cleaner 200 ml,Packaging/label may vary

STP GST59200EN Diesel Injector Cleaner 200 ml,Packaging/label may vary

STP

8.1

8.1

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