Audi A4 B8 Catalytic Converter
Replacement catalytic converter — fitment, symptoms & live UK prices.
Fits Audi A4 B8 — check your reg/VIN to confirm
From £16.15 · 6 live listings on eBay
View Catalytic Converter on eBay🛡️ eBay Money Back Guarantee🇬🇧 UK sellers↩️ Easy returns
AUDI A4 CATALYTIC CONVERTER 2.0 TDI 4G0131703AE B8.5 2012 - 2016
£16.15View ›
AUDI A4 B8 2012 2.0TDI Catalyst Converter 4G0131703AE 8K0230CA
£108.00View ›
Fits Audi A4 A6 2.4 2.6 2.8 Catalytic Converter Kit Right Stallex #1
£116.95View ›
AUDI A4 B8 A5 8T 2.0 TFSI 2008-2016 CATALYTIC CONVERTER 8K0254253FX
£156.70View ›
AUDI A4 B8 A5 8T 1.8 2.0 TFSI CATALYTIC CONVERTER 8K0131701AR
£208.70View ›
AUDI A4 B8.5 B8 1.8 2.0 TFSI Catalytic Converter For 8K0131701BM 8KO178LA 08-16
£209.00View ›
Will it fit my Audi A4 B8?
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 A4 B8 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.
See Catalytic Converter prices on eBayMore Audi A4 B8 parts
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Live pricesFrom £16.15
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