10 bestFuel System Cleanersof June 2026

112M consumers helped this year.

31% off

1

Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 5L Treats 5,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (5Litre)

Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 5L Treats 5,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (5Litre)

Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 5L Treats 5,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (5Litre)

Archoil

9.7

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2

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (8)

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (8)

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (8)

Sea Foam

9.4

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3

Redline (60103-12PK) Complete SI-1 Fuel System Cleaner - Gas and Injector Additive Treatment (12 PK Case)

Redline (60103-12PK) Complete SI-1 Fuel System Cleaner - Gas and Injector Additive Treatment (12 PK Case)

Redline (60103-12PK) Complete SI-1 Fuel System Cleaner - Gas and Injector Additive Treatment (12 PK Case)

Red Line

9.2

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8% off

4

STP Diesel Injector Cleaner 200 ml, Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

STP Diesel Injector Cleaner 200 ml, Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

STP Diesel Injector Cleaner 200 ml, Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

STP

8.9

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33% off

5

Archoil AR6400-D MAX Pro DPF Cleaner Diesel - Diesel Injector and Particulate Filter Treatment - Fuel System Cleaner - EGR, Turbo and Emissions Additive for MOT Pass - 400ml Concentrate

Archoil AR6400-D MAX Pro DPF Cleaner Diesel - Diesel Injector and Particulate Filter Treatment - Fuel System Cleaner - EGR, Turbo and Emissions Additive for MOT Pass - 400ml Concentrate

Archoil AR6400-D MAX Pro DPF Cleaner Diesel - Diesel Injector and Particulate Filter Treatment - Fuel System Cleaner - EGR, Turbo and Emissions Additive for MOT Pass - 400ml Concentrate

Archoil

8.6

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OtherRelated productsUp to 29% off

STP GST53200EN Petrol Injector Cleaner 200 ml

STP GST53200EN Petrol Injector Cleaner 200 ml

TECHRON PEA Concentrate Plus Petrol Fuel Injector System Cleaner - 300ml

TECHRON PEA Concentrate Plus Petrol Fuel Injector System Cleaner - 300ml

LIQUI MOLY Injection Cleaner | 300 ml | Petroladititive | SKU: 1803

LIQUI MOLY Injection Cleaner | 300 ml | Petroladititive | SKU: 1803

WOL Diesel Additive Injector Cleaner Liqui Moly Diesel Engine Purge 500ml - Fuel System Cleaner – DPF Diesel Cleaner 1811 – Smooth Engine Running (2 UNIT)

WOL Diesel Additive Injector Cleaner Liqui Moly Diesel Engine Purge 500ml - Fuel System Cleaner – DPF Diesel Cleaner 1811 – Smooth Engine Running (2 UNIT)

6

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 (Pack of 2)

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 (Pack of 2)

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 (Pack of 2)

Redex

8.3

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15% off

7

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

Wynn's

8.0

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21% off

8

STP Petrol Fuel System Cleaner 400ml, Fuel Injector Cleaner Additive for Petrol Cars, Engine Performance & Reduces Emissions, Suitable For Hybrids

STP Petrol Fuel System Cleaner 400ml, Fuel Injector Cleaner Additive for Petrol Cars, Engine Performance & Reduces Emissions, Suitable For Hybrids

STP Petrol Fuel System Cleaner 400ml, Fuel Injector Cleaner Additive for Petrol Cars, Engine Performance & Reduces Emissions, Suitable For Hybrids

STP

7.7

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19% off

9

Wynn's Diesel Turbo Cleaner - Removes Carbon Build-Up & Frees Sticking Vanes - Cleans Diesel Oxidation Catalyst & EGR Valve - Restores Engine Power & Reduces Soot Emissions - 500ml

Wynn's Diesel Turbo Cleaner - Removes Carbon Build-Up & Frees Sticking Vanes - Cleans Diesel Oxidation Catalyst & EGR Valve - Restores Engine Power & Reduces Soot Emissions - 500ml

Wynn's Diesel Turbo Cleaner - Removes Carbon Build-Up & Frees Sticking Vanes - Cleans Diesel Oxidation Catalyst & EGR Valve - Restores Engine Power & Reduces Soot Emissions - 500ml

Wynn's

7.4

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10

Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

Sea Foam

7.1

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