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10 bestauto fuel additivesof August 2025

112M consumers helped this year.

7% off

1

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

9.9

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22% off

2

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 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

9.8

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3

Redex Diesel Fuel System Cleaner, Diesel Additives To Remove Harmful Deposits, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Diesel Engines, Redex One Shot, 90ml
Redex Diesel Fuel System Cleaner, Diesel Additives To Remove Harmful Deposits, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Diesel Engines, Redex One Shot, 90ml

Redex

9.6

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27% off

4

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

STP

9.3

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19% off

5

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
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

STA-BIL

9.1

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Related productsUp to 14% off

Liqui Moly 1803 Injection Cleaner 300ml

Liqui Moly 1803 Injection Cleaner 300ml

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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

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Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

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Archoil AR6900-P Max Advanced Petrol Fuel Additive Concentrate, Treats 500L of Fuel, Petrol Injector Cleaner, GPF Turbo EGR Valve Cleaner, Super Unleaded Convertor, Octane Booster (2 x 250ml)

Archoil AR6900-P Max Advanced Petrol Fuel Additive Concentrate, Treats 500L of Fuel, Petrol Injector Cleaner, GPF Turbo EGR Valve Cleaner, Super Unleaded Convertor, Octane Booster (2 x 250ml)

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18% 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

8.8

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7

Wynn's Diesel Injector Cleaner - Reduces Knocking & Black Smoke - Protects Fuel System from Corrosion - Safe for EGR, Turbo, DPF & SCR - 325ml
Wynn's Diesel Injector Cleaner - Reduces Knocking & Black Smoke - Protects Fuel System from Corrosion - Safe for EGR, Turbo, DPF & SCR - 325ml

Wynn's

8.6

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8

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

8.3

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15% off

9

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

STP

8.0

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10

STP Diesel Treatment 200 ml, Keeps your Fuel System Clean, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK, Black/Blue
STP Diesel Treatment 200 ml, Keeps your Fuel System Clean, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK, Black/Blue

STP

7.8

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