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10 bestCatalytic Converter Cleanersof February 2025

112M consumers helped this year.

1

Cataclean Petrol | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 500ml
Cataclean Petrol | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 500ml

Cataclean

9.8

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2

Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml

Cataclean

9.6

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9% off

3

Wynn's Catalytic Converter & Lambda Sensor Cleaner Petrol & Hybrid Additive Keeps Cat Clean
Wynn's Catalytic Converter & Lambda Sensor Cleaner Petrol & Hybrid Additive Keeps Cat Clean

Wynn's

9.3

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4

LIQUI MOLY 5171 Catalytic Converters and Parts
LIQUI MOLY 5171 Catalytic Converters and Parts

Liqui Moly

9.0

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5

Carlube Catalytic Converter Exhaust DPF Cleaner for Petrol and Diesel 500ml
Carlube Catalytic Converter Exhaust DPF Cleaner for Petrol and Diesel 500ml

Carlube

8.7

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6

Liqui Moly 7110 - Fuel Additive
Liqui Moly 7110 - Fuel Additive

Liqui Moly

8.4

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17% off

7

LIQUI MOLY 8931 Catalytic-System Cleaner, uncoloured
LIQUI MOLY 8931 Catalytic-System Cleaner, uncoloured

Liqui Moly

8.1

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8

Cataclean Powershot Bike | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive for Performance & Fuel Efficiency | Emissions Reducer | 2 x 250ml
Cataclean Powershot Bike | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive for Performance & Fuel Efficiency | Emissions Reducer | 2 x 250ml

Cataclean

7.8

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9

Fiinix 2 x Redex Hybrid Petrol Cleaner | Number 1 Fuel Additive for Cars & Motorbikes for Treatment of Engines, Fuel Systems & Injectors | Suitable For All Hybrid Petrol Engines & Catalytic Converters
Fiinix 2 x Redex Hybrid Petrol Cleaner | Number 1 Fuel Additive for Cars & Motorbikes for Treatment of Engines, Fuel Systems & Injectors | Suitable For All Hybrid Petrol Engines & Catalytic Converters

Fiinix

7.5

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10

WOL Fuel Additives for Petrol Engines - Petrol Fuel System Cleaner - Liqui Moly MTX Valve Cleaner 1818 - Petrol Stabiliser - Engine and Catalytic Converter Cleaning Treatment 300 ml (1 UNIT)
WOL Fuel Additives for Petrol Engines - Petrol Fuel System Cleaner - Liqui Moly MTX Valve Cleaner 1818 - Petrol Stabiliser - Engine and Catalytic Converter Cleaning Treatment 300 ml (1 UNIT)

WOL

7.2

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