Audi A3 Catalytic Converters

We found 19 eBay listings for Audi A3 catalytic converters.

19 listings available |18 sellers

Last checked: . Confirm current price and fitment with the seller.

Compare catalytic converters options for the Audi A3 by part number, specification and seller fitment details. Matching listing titles mention 2003–2024; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.

What the listings say: Of the 19 listings for Audi A3 catalytic converters checked on 28 October 2026, 8 give model years between 2003 and 2024. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.

19 Results

Catalytic Converters

Found 19 listings for "audi a3 catalytic converters"

AUDI A3 8Y 2024 30 TFSI CATALYTIC CONVERTER CAT 5WA131723C 29K

AUDI A3 8Y 2024 30 TFSI CATALYTIC CONVERTER CAT 5WA131723C 29K

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Used📍 GB
Seller: expressgermanspares
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AUDI A3 CATALYTIC CONVERTER PETROL PARTICULATE FILTER PPF FITS 2020 TO 2024

AUDI A3 CATALYTIC CONVERTER PETROL PARTICULATE FILTER PPF FITS 2020 TO 2024

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Used📍 GB
Seller: nirroltd
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BM Catalysts BM91102H Catalytic Converter Audi TT A3 Golf Bora Leon Octavia 1.8T

BM Catalysts BM91102H Catalytic Converter Audi TT A3 Golf Bora Leon Octavia 1.8T

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New other (see details)📍 GB
Seller: first4partsuk
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Catalytic Converter For Audi A3 2003-2011 1.6 BM Euro 4 1K0254505SX 1K0254510NX

Catalytic Converter For Audi A3 2003-2011 1.6 BM Euro 4 1K0254505SX 1K0254510NX

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New📍 GB
Seller: yadiddc
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AUDI A3 S3 8V MK3 2013-2020 2.0 TFSI CATALYTIC CONVERTER EXHAUST 5Q0131701AN

AUDI A3 S3 8V MK3 2013-2020 2.0 TFSI CATALYTIC CONVERTER EXHAUST 5Q0131701AN

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Used📍 GB
Seller: peterborough-parts-warehouse3
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VW Golf Audi A3 8P BKD 2.0d De-cat decat dpf Catalytic Converter

VW Golf Audi A3 8P BKD 2.0d De-cat decat dpf Catalytic Converter

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Used📍 GB
Seller: set_the_boost_loose
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AUDI A3 8P 1.6 DOWN PIPE FLEXI CATALYTIC CONVERTER AFTER MARKET VW GOLF BSE

AUDI A3 8P 1.6 DOWN PIPE FLEXI CATALYTIC CONVERTER AFTER MARKET VW GOLF BSE

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For parts or not working📍 GB
Seller: vwct2026
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Audi A3 8p Catalytic Converter 1.6 Petrol

Audi A3 8p Catalytic Converter 1.6 Petrol

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Used📍 GB
Seller: natashamarques22
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Catalytic converter  Audi A3 TT Seat Leon VW Bora Golf 4 1.8 2.3 4 Motion 311996

Catalytic converter Audi A3 TT Seat Leon VW Bora Golf 4 1.8 2.3 4 Motion 311996

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New other (see details)📍 GB
Seller: craig2747
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Catalytic Converter + Fit Kit For Audi A3 8L1 S3 Quattro BM Cats 8N0254400AX

Catalytic Converter + Fit Kit For Audi A3 8L1 S3 Quattro BM Cats 8N0254400AX

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New📍 GB
Seller: mr-wiper
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Catalytic Converter Fits Audi A3 VW Bora 1 Golf MK4 Seat KLARIUS 311996

Catalytic Converter Fits Audi A3 VW Bora 1 Golf MK4 Seat KLARIUS 311996

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For parts or not working📍 GB
Seller: allsop74
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Stainless Downpipe 3 " With 200 Cell Sports Catalytic Converter Audi A3 8P Tt VW

Stainless Downpipe 3 " With 200 Cell Sports Catalytic Converter Audi A3 8P Tt VW

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New📍 DE
Seller: tuning-stuff
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Catalytic Converter + Fitting Kit For Audi A3 8V S3 Quattro EEC 5Q0254501CX

Catalytic Converter + Fitting Kit For Audi A3 8V S3 Quattro EEC 5Q0254501CX

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New📍 GB
Seller: mr-wiper
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Catalytic Converter Type Approved fits AUDI A3 8P1, 8PA 1.6 03 to 11 BM Quality

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New📍 GB
Seller: carpartsinmotion
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Catalytic Converter For Audi A3 VW Touran Golf 1.6 1.4 Fsi Fuel Parts Pas37920

Catalytic Converter For Audi A3 VW Touran Golf 1.6 1.4 Fsi Fuel Parts Pas37920

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New📍 GB
Seller: grahams125
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Audi A3 MK3 8V 1.5 Petrol Catalytic Converter CAT 2012 - 2019 5Q0254504K Euro 6

Audi A3 MK3 8V 1.5 Petrol Catalytic Converter CAT 2012 - 2019 5Q0254504K Euro 6

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Used📍 GB
Seller: motexspares
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Catalytic Converter EURO 3 (D3) 820mm Length + Fitting Kit Fits Audi A3 TT EEC

Catalytic Converter EURO 3 (D3) 820mm Length + Fitting Kit Fits Audi A3 TT EEC

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New📍 GB
Seller: partandparcel_1
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Petrol Catalytic Converter For Audi A3 1.6 04-07, Skoda Octavia 1.6 04-08 Euro 4

Petrol Catalytic Converter For Audi A3 1.6 04-07, Skoda Octavia 1.6 04-08 Euro 4

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New📍 GB
Seller: freshcarcomponents
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AUDI A3 2015 CATALYTIC CONVERTER CAT 1.4L PETROL CZCA 5Q0254502X

AUDI A3 2015 CATALYTIC CONVERTER CAT 1.4L PETROL CZCA 5Q0254502X

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Used📍 GB
Seller: asm.auto.recycling.ltd
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Questions about these listings

Which model years are named in the listings for Audi A3 catalytic converters?

8 listing titles give model years from 2003 to 2024. Check your car’s year against the fitment details in each listing.

How do I check fitment before buying Audi A3 catalytic converters?

Match the part number on your old part with the listing, then confirm the model year, generation and engine in the seller’s fitment details. Titles are the sellers’ descriptions, not confirmed fitment.

Check compatibility before buying

These listings were found using Audi A3 catalytic converters search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.