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10 bestDiesel Engine Fuel Additivesof April 2025

112M consumers helped this year.

47% 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 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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26% off

2

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 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

9.8

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3

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

Wynn's

9.6

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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

9.4

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10% off

5

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 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

9.2

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Related products

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

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

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Wynn's 1831090 Stop Smoke For Oil Additive For Reducing Petrol & Diesel Engine Exhaust Emissions, Purple, 325ml

Wynn's 1831090 Stop Smoke For Oil Additive For Reducing Petrol & Diesel Engine Exhaust Emissions, Purple, 325ml

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HYDRA DPB-100 Diesel Power Blast - Diesel Fuel System Cleaner | Diesel Injector Cleaner with Diesel Fuel Additive | 1 litre treats 1,000L

HYDRA DPB-100 Diesel Power Blast - Diesel Fuel System Cleaner | Diesel Injector Cleaner with Diesel Fuel Additive | 1 litre treats 1,000L

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SYPRIN Diesel Additive 250ml - engine additive for diesel cars I injector dpf cleaner I fuel system additives for diesel motors particulate filter

SYPRIN Diesel Additive 250ml - engine additive for diesel cars I injector dpf cleaner I fuel system additives for diesel motors particulate filter

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14% off

6

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

Wynn's

8.9

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25% off

7

STP Diesel Fuel Additive Twin Pack
STP Diesel Fuel Additive Twin Pack

STP

8.7

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13% off

8

Wynn's Professional Formula Extreme Diesel Injector Cleaner Fuel System Additive 500ml
Wynn's Professional Formula Extreme Diesel Injector Cleaner Fuel System Additive 500ml

Wynn's

8.4

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10% off

9

Wynn's Formula Gold High Performance Diesel System Treatment 500ml
Wynn's Formula Gold High Performance Diesel System Treatment 500ml

Wynn's

8.1

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14% off

10

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

7.8

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