Mazda B2300 Catalytic Converters

Your One-Stop Shop For Trusted Mazda B2300 Catalytic Converters

If you’re in search of Mazda B2300 Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 35 Catalytic Converters from top brands with prices ranging from $11.99 to $1,166.00.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your Mazda B2300.

And don’t forget to read customer reviews across all Catalytic Converters categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Catalytic Converters have to cost top dollar, and we prove it. Browse our top Mazda B2300 Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Mazda B2300 Catalytic Converters

Walker – Walker Exhaust Pipe Flange Gasket, 31372 (Part No.31372)

Walker Exhaust Pipe Flange Gasket, 31372

from

$11.99
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – "Walker Ultra EPA Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 93247" (Part No.93247)

"Walker Ultra EPA Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 93247"

from

$239.99
Designed to meet EPA emissions requirements while delivering premium performance and durability, Walker Ultra universal catalytic converters fit import and domestic OBDII (1996 and newer) vehicles. Each converter features an OE style high technology washcoat with an optimal precious metal load for assured compliance.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2.5"" Outlet (ID), 84104" (Part No.84104)

"Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2.5"" Outlet (ID), 84104"

from

$843.99
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 Universal Catalytic Converter, 51356 (Part No.51356)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51356

from

$223.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51356. 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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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51176 (Part No.51176)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51176

from

$194.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51176. 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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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99175HM (Part No.99175HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99175HM

from

$188.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99175HM. 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 weld 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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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 451256 (Part No.451256)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 451256

from

$406.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 451256. 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 weld 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 441405 (Part No.441405)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 441405

from

$556.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441405. 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 weld 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99176HM (Part No.99176HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99176HM

from

$326.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99176HM. 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 weld 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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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM (Part No.99205HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99205HM. 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 weld 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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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 454020 (Part No.454020)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 454020

from

$1166.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 454020. 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 2004-2006 Ford Ranger 2.3L & 2004-2006 Mazda B2300 2.3L. MagnaFlow 454020 includes (2) Donut Gaskets and interchanges with OE parts 1F20-20-500, 1F20-20-500A, 1F60-20-500, 1FAA-20-500, 1FAB-20-500. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 418005 (Part No.418005)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 418005

from

$477.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 418005. 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 weld 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51175 (Part No.51175)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51175

from

$194.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51175. 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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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51355 (Part No.51355)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51355

from

$223.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51355. 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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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Inlet (ID) 2.25"" Outlet (OD), 55668" (Part No.55668)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Inlet (ID) 2.25"" Outlet (OD), 55668"

from

$684.99
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 CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed, 81973 (Part No.81973)

Walker CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed, 81973

from

$1063.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Direct-Fit Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit.
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MagnaFlow – MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 91004 (Part No.91004)

MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 91004

from

$109.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 91004. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design. With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23380 (Part No.23380)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23380

from

$552.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23380. 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 1995-1997 Mazda B2300 2.3L. MagnaFlow 23380 includes (2) O2 Port Plugs, (1) Donut Gasket and interchanges with OE parts ZZMA-20-500, ZZMA-20-500A, ZZMB-20-500, ZZMB-20-500A, ZZN0-20-500, ZZN2-20-500. 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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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 454175 (Part No.454175)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 454175

from

$391.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 454175. 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 weld 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2.5"" Outlet (ID), 82523" (Part No.82523)

"Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2.5"" Outlet (ID), 82523"

from

$649.99
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 Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99356HM (Part No.99356HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99356HM

from

$214.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99356HM. 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 weld 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.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99355HM (Part No.99355HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99355HM

from

$204.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99355HM. 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 weld 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.
See More

Walker – "Walker Ultra EPA Universal Catalytic Converter – 2.25"" Inlet (ID) 2.25"" Outlet (ID), 93302" (Part No.93302)

"Walker Ultra EPA Universal Catalytic Converter - 2.25"" Inlet (ID) 2.25"" Outlet (ID), 93302"

from

$351.99
Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker Ultra Universal Catalytic Converters are available for import and domestic OBDII (1996 and newer) vehicles.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Inlet (ID), 15828" (Part No.15828)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Inlet (ID), 15828"

from

$601.99
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 2.5"" Inlet (ID), 55344" (Part No.55344)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Inlet (ID), 55344"

from

$681.99
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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Catalytic Converters Brands You Can Trust For Your Mazda B2300

2 trusted brands of Catalytic Converters line our shelves, ready to help keep your Mazda B2300 running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Popular Walker Catalytic Converters

Walker products for the Mazda B2300 span several categories. Some of the highest-rated Walker Catalytic Converters that will fit your Mazda B2300 are:
Walker Exhaust Pipe Flange Gasket, 31372
from $11.99
(22)
Walker Exhaust Pipe Flange Gasket, 31372
Catalytic Converter Gaskets

Top Mazda B2300 Catalytic Converters from Walker

Your Mazda B2300 will be purring again thanks to Walker brand Catalytic Converters available for online order or in-store pick up. Popular Walker parts include:

Most Purchased Mazda B2300 Catalytic Converters from Walker

When you buy the most frequently purchased Walker brand Catalytic Converters, you can be confident it will be the right part for your Mazda B2300. Here are the Walker Catalytic Converters Advanced Auto customers buy the most:
Walker Exhaust Pipe Flange Gasket, 31372
from $11.99
(22)
Walker Exhaust Pipe Flange Gasket, 31372
Catalytic Converter Gaskets

FAQs for Mazda B2300 Catalytic Converters

What are the most purchased Catalytic Converters for the Mazda B2300?

Out of 35 Catalytic Converters for the Mazda B2300, the most popular in our inventory are:
MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51355
from $223.99
This product is not rated
MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51355
Catalytic Converters

What are the top-rated Mazda B2300 Catalytic Converters?

Top-rated Catalytic Converters for your Mazda B2300 based on customer reviews/ratings are:
MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99175HM
from $188.99
(1)
MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99175HM
“Said exact fit for my Expedition but angles on pipes where not even close. Had to buy flex tube in order to get even close to original exhaust.”