10 Best Catalytic Converter Cleaner For

10 Best catalytic converter cleaner for - July 2025

checkIcon 19M consumers helped this year.

Last Updated: 03-07-2025

Advertising Disclosure

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

9.8

CHECK PRICE

more deals (1)

3% Off

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

Cataclean

9.6

CHECK PRICE

more deals (1)

Best value

12% Off

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

Carlube

9.5

CHECK PRICE

more deals (1)

Borfh Catalytic Converter Cleaner 500 ml | Advanced Formula for Comprehensive Engine, Exhaust, and Emissions System Cleaning, Ensuring Optimal Performance and Efficiency

BÖRFH

9.2

CHECK PRICE

more deals (1)

Wynn's Catalytic Converter & Lambda Sensor Cleaner - Optimises Efficiency, Reduces Emissions & Restores Engine Performance - Ideal for Petrol & Hybrid Engines - 325ml

Wynn's

9.1

CHECK PRICE

more deals (1)

Maggikey Fuel System Cleaner, Boost Up Catalytic Converter Cleaner 2PCS - Fuel System & Auto Parts Engine Exhaust Oil - Gasoline Car Carbon Deposit Removal

Maggikey

8.8

CHECK PRICE

more deals (1)

2PCS Catalytic Converter Petrol Cleaner, Fuel Exhaust System & Auto Parts Engine Exhaust Oil, 120ml Gasoline Car Carbon Removal Cleaner

Generic

8.6

CHECK PRICE

more deals (1)

8% Off

LIQUI MOLY 8931 Catalytic-System Cleaner, uncoloured

Liqui Moly

8.4

CHECK PRICE

more deals (1)

Boost Up 120ml Catalytic Converter Cleaner for Gasoline Cars - Fuel System Cleaners & Auto Parts Engine Exhaust Cleaner - Removes Carbon Deposits

LaluluTek

8.2

CHECK PRICE

more deals (1)

21% Off

120ml Boost Up Catalytic Converter Cleaner - Fuel & Exhaust System Auto Parts - Removes Carbon Deposits for Gasoline Cars - Oil-Based Formula

AurolaGlow

8.1

CHECK PRICE

more deals (1)

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

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

Borfh Catalytic Converter Cleaner 500 ml | Advanced Formula for Comprehensive Engine, Exhaust, and Emissions System Cleaning, Ensuring Optimal Performance and Efficiency

Wynn's Catalytic Converter & Lambda Sensor Cleaner - Optimises Efficiency, Reduces Emissions & Restores Engine Performance - Ideal for Petrol & Hybrid Engines - 325ml

Maggikey Fuel System Cleaner, Boost Up Catalytic Converter Cleaner 2PCS - Fuel System & Auto Parts Engine Exhaust Oil - Gasoline Car Carbon Deposit Removal

2PCS Catalytic Converter Petrol Cleaner, Fuel Exhaust System & Auto Parts Engine Exhaust Oil, 120ml Gasoline Car Carbon Removal Cleaner

LIQUI MOLY 8931 Catalytic-System Cleaner, uncoloured

Boost Up 120ml Catalytic Converter Cleaner for Gasoline Cars - Fuel System Cleaners & Auto Parts Engine Exhaust Cleaner - Removes Carbon Deposits

120ml Boost Up Catalytic Converter Cleaner - Fuel & Exhaust System Auto Parts - Removes Carbon Deposits for Gasoline Cars - Oil-Based Formula

Related Products