Mazda Mazda3 Catalytic Converters

We found 20 eBay listings for Mazda Mazda3 catalytic converters, covering model years 2003 to 2019.

20 listings available |14 sellers

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

Compare catalytic converters options for the Mazda Mazda3 by part number, specification and seller fitment details. Matching listing titles mention 2003–2019; 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 20 listings for Mazda Mazda3 catalytic converters checked on 4 November 2026, 18 give model years between 2003 and 2019, most often 2004–2009 (4). Positions named in the titles: front (4), rear (3). Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.

20 Results

Catalytic Converters

Found 20 listings for "mazda mazda3 catalytic converters"

Mazda 3 2.5L Manifold Catalytic Converter 2014-2019 - OBD II/EPA Approved

Mazda 3 2.5L Manifold Catalytic Converter 2014-2019 - OBD II/EPA Approved

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New📍 US
Seller: quality-exhausts
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Catalytic Converter For MAZDA 3 2004 - 2009 2.0L

Catalytic Converter For MAZDA 3 2004 - 2009 2.0L

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New📍 US
Seller: js_exhaust
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DIRECT FIT CATALYTIC CONVERTER FOR 04-09 MAZDA 3  2.0L | 2.3L FEDERAL EMISSIONS

DIRECT FIT CATALYTIC CONVERTER FOR 04-09 MAZDA 3 2.0L | 2.3L FEDERAL EMISSIONS

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New📍 US
Seller: exhaustdepot
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Exact Fit CATALYTIC CONVERTER FOR 2012-2013 MAZDA 3 GS-SKY SKYACTIVE 2.0L BANK 1

Exact Fit CATALYTIC CONVERTER FOR 2012-2013 MAZDA 3 GS-SKY SKYACTIVE 2.0L BANK 1

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New📍 CA
Seller: exhaustdepot
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2010 TO 2012 Mazda 3 2.5L Manifold Catalytic Converter Direct Fit OBDII

2010 TO 2012 Mazda 3 2.5L Manifold Catalytic Converter Direct Fit OBDII

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New📍 US
Seller: detroitcat
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Mazda 3 2.0L 2014 TO 2017 Manifold Catalytic Converter

Mazda 3 2.0L 2014 TO 2017 Manifold Catalytic Converter

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New📍 US
Seller: detroitcat
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Front Catalytic Converter with Integrated Exhaust Manifold For 2003-2009 Mazda 3

Front Catalytic Converter with Integrated Exhaust Manifold For 2003-2009 Mazda 3

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New📍 US
Seller: autogards_us
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Mazda 3 2.0L Manifold Catalytic Converter 2014-2018

Mazda 3 2.0L Manifold Catalytic Converter 2014-2018

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New📍 CA
Seller: asam96
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Manifold Catalytic Converter for Mazda3 BK BK12 BK14 BK3P BKEP 03-09

Manifold Catalytic Converter for Mazda3 BK BK12 BK14 BK3P BKEP 03-09

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New📍 US
Seller: autosite_8
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Catalytic Converter for Mazda 3 2004 2005 2006 2007 2008 2009 2.3L L3262055XG

Catalytic Converter for Mazda 3 2004 2005 2006 2007 2008 2009 2.3L L3262055XG

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New📍 US
Seller: autoparts_premium
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Catalytic Converter & Rear Pipe for 2010 2011 2012 2013 Mazda 3 2.0L / 2.5L

Catalytic Converter & Rear Pipe for 2010 2011 2012 2013 Mazda 3 2.0L / 2.5L

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New📍 CA
Seller: ontarioexhaust
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Mazda 3 2.0L Manifold Catalytic Converter 2010-2013 Direct Fit 20HM2

Mazda 3 2.0L Manifold Catalytic Converter 2010-2013 Direct Fit 20HM2

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New📍 CA
Seller: asam96
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Mazda 3 2.0L engine Rear Resonator Pipe & Catalytic Converter 2010 TO 2013

Mazda 3 2.0L engine Rear Resonator Pipe & Catalytic Converter 2010 TO 2013

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New📍 US
Seller: detroitcat
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Rear Catalytic Converter for 2007 Mazda 3 S 2.3L L4 GAS DOHC

Rear Catalytic Converter for 2007 Mazda 3 S 2.3L L4 GAS DOHC

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New📍 US
Seller: heavypulse_exhaust
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DIRECT FIT CATALYTIC CONVERTER FOR 2004-2009 MAZDA 3 2.0L CALIFORNIA EMISSIONS

DIRECT FIT CATALYTIC CONVERTER FOR 2004-2009 MAZDA 3 2.0L CALIFORNIA EMISSIONS

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New📍 US
Seller: exhaustdepot
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Front Bank 1 Manifold Converter For 2012-2013 Mazda 3 GS-SKYACTIVE 2.0L FastShip

Front Bank 1 Manifold Converter For 2012-2013 Mazda 3 GS-SKYACTIVE 2.0L FastShip

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New📍 US
Seller: the.exhaust.shop
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Catalytic Converter for Mazda 3 2.0L/2.3L 2004-2009 Mazda 5 2.3L 2008-2010

Catalytic Converter for Mazda 3 2.0L/2.3L 2004-2009 Mazda 5 2.3L 2008-2010

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New📍 US
Seller: car-parts-center
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Catalytic Converter with Integrated Exhaust Manifold fits 2010 2011 Mazda 3 2.5L

Catalytic Converter with Integrated Exhaust Manifold fits 2010 2011 Mazda 3 2.5L

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New📍 US
Seller: calnorthautoparts
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2013-2004 Mazda 3 2.0L Front Direct Fit Catalytic Converter

2013-2004 Mazda 3 2.0L Front Direct Fit Catalytic Converter

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New📍 US
Seller: ep-supply
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2018-2014 Mazda 3 2.5L Front Direct Fit Catalytic Converter

2018-2014 Mazda 3 2.5L Front Direct Fit Catalytic Converter

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New📍 US
Seller: ep-supply
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Questions about these listings

Which model years are named in the listings for Mazda Mazda3 catalytic converters?

18 listing titles give model years from 2003 to 2019; 2004–2009 appears most often (4 listings). Check your car’s year against the fitment details in each listing.

Which positions are named in the listings for Mazda Mazda3 catalytic converters?

The titles name front (4 listings) and rear (3). Order for the position on your car, as stated in the title or the seller’s fitment details.

How do I check fitment before buying Mazda Mazda3 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 Mazda Mazda3 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.