Audi A3 8v Catalytic Converter
Replacement catalytic converter — fitment, symptoms & live UK prices.
Fits Audi A3 8v — check your reg/VIN to confirm
From £156.70 · 6 live listings on eBay
View Catalytic Converter on eBay🛡️ eBay Money Back Guarantee🇬🇧 UK sellers↩️ Easy returns
Audi A3 8V 1.4 TFSI Petrol Catalytic Converter 500131701S OEM
£156.70View ›
AUDI A3 8V S LINE 1.6 DIESEL CATALYTIC CONVERTER
£159.00View ›
2015 AUDI A3 SE 8V 1.4TFSI AUTO MK3 3DRS HATCH CATALYTIC CONVERTER REF12968
£159.20View ›
Audi A3 catalytic converter 5Q0131701S 1.4 TFSI CXSA 66k miles only 8V 2013
£180.00View ›
Catalytic Converter Type Approved + Fitting Kit fits AUDI A3 8V 1.2 Front BM New
£193.99View ›
AUDI A3 8V 2017 CATALYTIC CONVERTER CAT 1.4L PETROL CZEA 5Q0254502X
£195.00View ›
Will it fit my Audi A3 8v?
Must be the correct emissions-spec cat for your engine and year, or it'll fail MOT. Type-approved units only.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Audi A3 8v catalytic converter needs replacing
- P0420 / catalyst efficiency code
- Rattling inside (broken substrate)
- Failed emissions/MOT
- Sluggish, rotten-egg smell
Fitting it yourself
Bolt-on or welded depending on setup. Lambda sensors often transfer over.
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Live pricesFrom £156.70
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