2021 Mazda CX-5 Catalytic Converters

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Keep Your 2021 Mazda CX-5 in Top Shape with Quality Catalytic Converters

Whether you’re repairing or upgrading your Catalytic Converter, using high-quality parts is key to keeping your 2021 Mazda CX-5 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converters. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2021 Mazda CX-5 Catalytic Converter at Advance Auto Parts is around $597.99, with a range that starts at $215.99 and goes up to $1,275.00. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 19.680 IN, 14841, Dorman Manifold Converter – Not CARB Compliant, 674-600, and Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 24.550 IN, 14840 start at just $215.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Catalytic Converter, don’t forget to check out other key components like Exhaust Mufflers and Exhaust Pipes. At Advance Auto Parts, we’re here to help you keep your 2021 Mazda CX-5 in peak condition, inside and out.

Essential 2021 Mazda CX-5 Catalytic Converters

Dorman – Dorman Manifold Converter – Not CARB Compliant, 674-098 (Part No.674-098)

Dorman Manifold Converter - Not CARB Compliant, 674-098

from

$1389.00
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-328 (Part No.21-328)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-328

from

$738.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-328. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2013-2016 Mazda CX-5 2.0L & 2014-2020 Mazda CX-5 2.5L. MagnaFlow 21-328 includes (2) Bolts, (2) Torca Clamps, (2) Flat Ring Gaskets and interchanges with OE parts PE03-20-55XA, PE03-20-55XB, PE06-20-55XA, PE06-20-55XB, PY33-20-55X, PYE8-20-55X. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205" (Part No.84205)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205"

from

$229.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-329 (Part No.21-329)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-329

from

$644.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-329. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2013-2016 Mazda CX-5 2.0L & 2014-2020 Mazda CX-5 2.5L. MagnaFlow 21-329 includes (1) Nut, (5) Bolts, (2) Torca Clamps, (2) Flat Ring Gaskets, (1) Split Lock Washer and interchanges with OE parts PY35-20-55XA. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Outlet (OD), 16888" (Part No.16888)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Outlet (OD), 16888"

from

$591.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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Dorman – Dorman Manifold Converter – Not CARB Compliant – Direct replacement, 674-610 (Part No.674-610)

Dorman Manifold Converter - Not CARB Compliant - Direct replacement, 674-610

from

$1153.00
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
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Walker – Walker Ultra EPA Direct Fit Catalytic Converter, 16890 (Part No.16890)

Walker Ultra EPA Direct Fit Catalytic Converter, 16890

from

$293.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 24.550 IN, 14840 (Part No.14840)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 24.550 IN, 14840

from

$215.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205 (Part No.51205)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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Dorman – Dorman Manifold Converter – Not CARB Compliant, 674-600 (Part No.674-600)

Dorman Manifold Converter - Not CARB Compliant, 674-600

from

$1275.00
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 19.680 IN, 14841 (Part No.14841)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 19.680 IN, 14841

from

$302.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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Most Popular Catalytic Converters for 2021 Mazda CX-5s

Enhance your 2021 Mazda CX-5 with one of the 3 Catalytic Converters we have in stock, starting at just $215.99.

Dorman – Dorman Manifold Converter – Not CARB Compliant, 674-600 (Part No.674-600)

Dorman Manifold Converter - Not CARB Compliant, 674-600

from

$1275.00
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 19.680 IN, 14841 (Part No.14841)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 19.680 IN, 14841

from

$302.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 24.550 IN, 14840 (Part No.14840)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 24.550 IN, 14840

from

$215.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

FAQs for 2021 Mazda CX-5 Catalytic Converters

What are the best-selling Catalytic Converters for 2021 Mazda CX-5s?

Out of 3 Catalytic Converters that fit 2021 Mazda CX-5s, the following parts are the top sellers:

What’s the price range for 2021 Mazda CX-5 Catalytic Converters?

The prices of Catalytic Converters for the 2021 Mazda CX-5 range from $215.99 up to $1,275.00 for the most premium parts.

What is the average price of a Catalytic Converter for a 2021 Mazda CX-5?

The average price for Catalytic Converters for the 2021 Mazda CX-5 is $597.99. Keep in mind the variety of part types within our Catalytic Converter category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Catalytic Converters for other Mazda CX-5 model years?

Yes, we carry Catalytic Converters for 7 model years of Mazda CX-5s between 2013 and 2020. The following model years are the most popular for Catalytic Converter purchases: 2018, 2017, 2016, 2015, 2014, 2013, 2020, and 2019.

What are the cheapest Catalytic Converters for my 2021 Mazda CX-5?

Does Advance Auto Parts sell Catalytic Converters for any other 2021 Mazda models?

Yes. We stock Catalytic Converters for 2 other popular 2021 Mazda models. Some of the most popular are 2021 6 Catalytic Converters, 2021 CX-3 Catalytic Converters, and 2021 CX-9 Catalytic Converters.

What types of Catalytic Converters do you sell for my 2021 Mazda CX-5?

We currently have just 1 Catalytic Converter in stock for a 2021 Mazda CX-5, and as of 8/2/26, it is a Catalytic Converter.

Can I get help with 2021 Mazda CX-5 Catalytic Converter orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mazda Catalytic Converters and more.

What is your return policy for Mazda CX-5 Catalytic Converters?

Advance Auto Parts keeps returns simple. For new Mazda CX-5 Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.