Best Catalytic Converters Deals Online in the UK (24 Deals Found)

Last Updated - 23/09/2026 Sort By:

Best Choice
Wynn's

New
Wynn's Petrol & Hybrid Catalytic Converter & Lambda Sensor Cleaner - 325ml
✅ OPTIMISES THE EFFICIENCY OF THE CATALYTIC CONVERTER: Ensures the catalytic converter operates at peak performance by e

£11.24
HouYeen

New
Front Catalytic Converter with Mounting Parts for Cit-roen Peu-geot O-pel
Suitable for Citroen C-Elysee DD 1.2 VTI 11.2012-Onwards, C1 mk2 1.2 VTI 04.2014-04.2018, C3 Aircross mk2 1.2 06.2017-On

£88.99
New
CATALYTIC CONVERTER FITS FOR BMW SERIES 1-2-3 WITH FREE DELIVERY 🚚

£220.00
Best Value
Yeoflagtrade

New
Yeoflagtrade Catalytic Converter, 2" Universal Catalytic Converter, 2" Catalytic Converter, Direct Adjustable Catalytic
Function: This three-way catalytic converter can repair malfunctions and noise, clean the car exhaust, meet or exceed th

£36.19
New
Catalytic Converter Type Approved fits FORD FOCUS Mk3 1.0 12 to 20 BM 1766306
FORD 1766306, 1770958, 1790029, 1843288, 1851622, 1873837, 1881321, 1929807, 1930046, 1940610, CM515E211CF, F1F15E211FD,

£194.71
ZORVEXLYNX

New
ZORVEXLYNX 4PCS Catalytic Converter Cleaner, Catalytic Convertor Cleaner Petrol - Advanced Fuel System Treatment for Die
Advanced Catalytic Converter Cleaning Action:Our catalytic converter cleaner formula is specifically designed to help br

£11.99
Cataclean

New
Cataclean Petrol Fuel & Exhaust System Cleaner 2 x 500ml
VEHICLE MAINTENANCE > Safe for all engines, Cataclean original 8-in-1 engine cleaning system has been scientifically for

£28.49
New
Catalytic Converter Type Approved + Kit BM91339H + FK91339C BM Catalysts Front
The converter contains catalysts, often made of platinum, palladium, and rhodium, which facilitate chemical reactions.

£197.87
43% Off
Generic

New
2pcs Catalytic Converter Cleaner Auto Parts Engine, Boost Up Catalytic Convertor Cleaner,Exhaust System Pipe Carbon Remo
🚗【Restore Engine Performance】Effectively addresses driveability issues such as hesitation, power reduction, rough idle,

£5.69 £9.99
New
Catalytic Converter Type Approved + Kit BM91588H + FK91588B BM Catalysts Front
The converter contains catalysts, often made of platinum, palladium, and rhodium, which facilitate chemical reactions.

£138.55
HouYeen

New
Front Catalytic Converter with Mounting Parts for Suzu-ki Vaux-hall O-pel
Suitable for Nissan Pixo UA0 1.0 03.2009-Onwards.

£139.99
CoyCriter

New
3 Pcs Catalytic Converter Cleaner Kit, Boost Up Fuel Catalytic System Cleaner for Gas Diesel Cars, Auto Parts Engine/exh
【Reduce Fuel Consumption】Reduces carbon build-up in catalytic converter, oxygen sensors, fuel injectors and cylinder hea

£7.99
New
Catalytic Converter Type Approved + Kit BM91756H + FK91756C BM Cats 0342L3
A failing converter can negatively impact engine performance, fuel efficiency, and emissions.

£179.69
11% Off
Kilibili

New
2PCS Catalytic Converter Cleaner Auto Parts Engine
Powerful All-In-One Cleaner: Effectively removes carbon deposits from catalytic converters, oxygen sensors, fuel injecto

£7.99 £8.99
New
Catalytic Converter Type Approved + Fitting Kit Front BM91403HK BM Catalysts New
Part Number BM91403HK.

£140.41
DNTHYRIN

New
DNTHYRIN 4PCS Catalytic Converter Cleaner, with Folding Funnel Set- Fuel System Treatment for Diesel & Petrol Engines, E
Simple Pour-In Application Process: Includes a portable funnel with a compact bottle design for convenient storage and t

£6.49
New
Catalytic Converter Type Approved BM91320H BM Catalysts 51795487 51795488 New
Catalytic Converter Type Approved BM91320H BM Catalysts.

£176.86
New
Catalytic Converter Type Approved + Kit BM91754H + FK91754B BM Catalysts Front
The converter contains catalysts, often made of platinum, palladium, and rhodium, which facilitate chemical reactions.

£220.84
New
Catalytic Converter Type Approved + Kit BM91758H + FK91758B BM Catalysts Front
The converter contains catalysts, often made of platinum, palladium, and rhodium, which facilitate chemical reactions.

£260.54
New
Catalytic Converter Type Approved + Kit BM91164H + FK91164B BM Catalysts Rear
The converter contains catalysts, often made of platinum, palladium, and rhodium, which facilitate chemical reactions.

£165.36
New
Catalytic Converter Type Approved + Kit BM80025H + FK80025C BM Cats 028131089AX
A failing converter can negatively impact engine performance, fuel efficiency, and emissions.

£119.71
New
Catalytic Converter Type Approved + Fittings For Citroen Relay 2.2 HDi 120 Front
Quantity Included: Catalytic Converter + Fitting Kit.

£155.45
New
Catalytic Converter Type Approved + Kit BM91756H + FK91756A BM Cats 0342L3
A failing converter can negatively impact engine performance, fuel efficiency, and emissions.

£175.78
New
Catalytic Converter Type Approved + Kit BM90774H + FK90774A BM Catalysts Rear
The converter contains catalysts, often made of platinum, palladium, and rhodium, which facilitate chemical reactions.

£133.54

24 Catalytic Converters deals are available from: Amazon, eBay stores, starting from £5.69.
The biggest discount we found is 43% on 2pcs Catalytic Converter Cleaner Auto Parts Engine, Boost Up Catalytic Convertor Cleaner,Exhaust System Pipe Carbon Removal Cleaners,Fuel System Treatment Oil Additive for Gas and Diesel Car,120ml*2 at Amazon.
The lowest price we found is £5.69 while the highest is £260.54.
Prices for the best Catalytic Converters deals average at £117.68.
Last updated on September 23, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Catalytic Converters.