10 Best Diesel Fuel Additives For Increased Engine Power

10 Best diesel fuel additives for increased engine power - January 2026

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Last Updated: 03-01-2026

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Wynn's Diesel Power 7 Complete Action Fuel Additive Optimises Engine Performance 1L

Wynn's

9.8

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Carlube Diesel Injector Cleaner - Restore Power & Economy - Fuel Additive for Diesel Engines with Turbochargers & DPF Filters

Carlube

9.6

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Best value

14% Off

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

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7% 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

9.2

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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

9.1

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Yhenlovtt 100ml Diesel Fuel Additive for Increased Power and Fuel Efficiency with Engine Cleaning for Automotive Diesel Vehicles

Yhenlovtt

8.8

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Diesel Fuel Additive for Increased Power and Fuel Efficiency with Engine Cleaning, 100ml Bottle for Automotive Use

Gdfnmogo

8.6

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

Wynn's

8.4

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30% Off

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

Redex

8.2

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Redex Diesel Fuel System Cleaner 250ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Diesel Engines, Suitable For Hybrids

Redex

8.1

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Wynn's Diesel Power 7 Complete Action Fuel Additive Optimises Engine Performance 1L

Carlube Diesel Injector Cleaner - Restore Power & Economy - Fuel Additive for Diesel Engines with Turbochargers & DPF Filters

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 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

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

Yhenlovtt 100ml Diesel Fuel Additive for Increased Power and Fuel Efficiency with Engine Cleaning for Automotive Diesel Vehicles

Diesel Fuel Additive for Increased Power and Fuel Efficiency with Engine Cleaning, 100ml Bottle for Automotive Use

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

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

Redex Diesel Fuel System Cleaner 250ml, 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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