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10 bestDiesel Fuel Conditionersof November 2025

112M consumers helped this year.

30% 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 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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2

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 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

9.8

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3

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1

Liqui Moly

9.6

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14% off

4

Wynn's W12264 Extreme Diesel System Fuel Injector Cleaner Engine Additive Treatment 325ml

Wynn's W12264 Extreme Diesel System Fuel Injector Cleaner Engine Additive Treatment 325ml

Wynn's W12264 Extreme Diesel System Fuel Injector Cleaner Engine Additive Treatment 325ml

Wynn's

9.4

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7% off

5

Dipetane DP001 1 ltr Fuel Additive Treatment for Improve Fuel Economy and Reduced Emissions

Dipetane DP001 1 ltr Fuel Additive Treatment for Improve Fuel Economy and Reduced Emissions

Dipetane DP001 1 ltr Fuel Additive Treatment for Improve Fuel Economy and Reduced Emissions

DIPETANE

9.1

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OtherRelated productsUp to 10% off

Wynn's 31964 Diesel Pre-Emission MOT Test Treatment Reduces CO Emissions & Exhaust Smoke

Wynn's 31964 Diesel Pre-Emission MOT Test Treatment Reduces CO Emissions & Exhaust Smoke

Fuel Set Concentrated Fuel Conditioner 500ml

Fuel Set Concentrated Fuel Conditioner 500ml

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

Wynn's Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel

Wynn's Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel

6

Fuel Set Fuel Conditioner Concentrate 1 Litre Bottle

Fuel Set Fuel Conditioner Concentrate 1 Litre Bottle

Fuel Set Fuel Conditioner Concentrate 1 Litre Bottle

Liquid Engineering

8.8

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10% off

7

Marine 16 Diesel Fuel Complete DFC (500ml

Marine 16 Diesel Fuel Complete DFC (500ml

Marine 16 Diesel Fuel Complete DFC (500ml

Marine 16 Diesel Fuel Complete DFC

8.6

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34% off

8

Wynns 1831039 76401 500ml Formula Gold Diesel

Wynns 1831039 76401 500ml Formula Gold Diesel

Wynns 1831039 76401 500ml Formula Gold Diesel

Wynn's

8.3

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9

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 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

8.0

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10

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

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

HYDRA

7.7

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