GMC G3500 Catalytic Converters

Your One-Stop Shop For Trusted GMC G3500 Catalytic Converters

If you’re in search of GMC G3500 Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 42 Catalytic Converters from top brands with prices ranging from $4.25 to $1,428.00.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your GMC G3500.

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 GMC G3500 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 GMC G3500 Catalytic Converters

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99309HM (Part No.99309HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99309HM

from

$204.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99309HM. 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, 99759HM (Part No.99759HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99759HM

from

$248.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99759HM. 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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Walker – Walker Exhaust Pipe Flange Gasket, 31398 (Part No.31398)

Walker Exhaust Pipe Flange Gasket, 31398

from

$19.79
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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MAHLE Original – MAHLE Original Exhaust Pipe to Converter, F7566 (Part No.F7566)

MAHLE Original Exhaust Pipe to Converter, F7566

from

$7.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23142 (Part No.23142)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23142

from

$1428.00
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23142. 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. MagnaFlow 23142 includes (1) Torca Clamp. 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, 99559HM (Part No.99559HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99559HM

from

$346.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99559HM. 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, 445006 (Part No.445006)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 445006

from

$603.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445006. 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, 445004 (Part No.445004)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 445004

from

$603.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445004. 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, 51006 (Part No.51006)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51006

from

$252.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51006. 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, 99209HM (Part No.99209HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99209HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99209HM. 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, 3391476 (Part No.3391476)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 3391476

from

$995.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3391476. 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 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 Ultra EPA Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 93304" (Part No.93304)

"Walker Ultra EPA Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 93304"

from

$348.99
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 Standard EPA Direct Fit Catalytic Converter 3"" Inlet (ID) 3"" Outlet (OD), 15693" (Part No.15693)

"Walker Standard EPA Direct Fit Catalytic Converter 3"" Inlet (ID) 3"" Outlet (OD), 15693"

from

$411.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker Standard direct-fit catalytic converters are available for pre-OBD (1995 and older) vehicles. Count on Walker Standard converters for industry-leading fit and performance.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 445009 (Part No.445009)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 445009

from

$603.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445009. 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 3"" Inlet (ID) 3"" Outlet (ID), 83509" (Part No.83509)

"Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 83509"

from

$967.99
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 California Grade Carb Compliant Universal Catalytic Converter, 339106 (Part No.339106)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 339106

from

$523.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 339106. 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 Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 93506 (Part No.93506)

MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 93506

from

$177.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 93506. 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 Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206 (Part No.51206)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51206. 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, 99206HM (Part No.99206HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99206HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99206HM. 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 Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51759 (Part No.51759)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51759

from

$258.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51759. 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 California Grade Carb Compliant Universal Catalytic Converter, 334009 (Part No.334009)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 334009

from

$219.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 334009. 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.
See More

Walker – "Walker Standard EPA Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 15043" (Part No.15043)

"Walker Standard EPA Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 15043"

from

$159.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker universal catalytic converters are available for pre-OBDII (1995 and older) vehicles. Count on Walker�catalytic�converters�for�industry-leading fit and performance.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 80907" (Part No.80907)

"Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 80907"

from

$673.99
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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Walker – "Walker Standard EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 15042" (Part No.15042)

"Walker Standard EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 15042"

from

$193.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker universal catalytic converters are available for pre-OBDII (1995 and older) vehicles. Count on Walker�catalytic�converters�for�industry-leading fit and performance.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93613 (Part No.93613)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93613

from

$441.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93613. 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. MagnaFlow 93613 includes (1) Donut Gasket. 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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Catalytic Converters Brands You Can Trust For Your GMC G3500

3 trusted brands of Catalytic Converters line our shelves, ready to help keep your GMC G3500 running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Popular Walker Catalytic Converters

Walker products for the GMC G3500 span several categories. Some of the highest-rated Walker Catalytic Converters that will fit your GMC G3500 are:
Walker Exhaust Pipe Flange Gasket, 31398
from $19.79
(11)
Walker Exhaust Pipe Flange Gasket, 31398
Catalytic Converter Gaskets

Top GMC G3500 Catalytic Converters from Walker

Your GMC G3500 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 GMC G3500 Catalytic Converters from MagnaFlow

When you buy the most frequently purchased MagnaFlow brand Catalytic Converters, you can be confident it will be the right part for your GMC G3500. Here are the MagnaFlow Catalytic Converters Advanced Auto customers buy the most:
Walker Exhaust Pipe Flange Gasket, 31398
from $19.79
(11)
Walker Exhaust Pipe Flange Gasket, 31398
Catalytic Converter Gaskets

FAQs for GMC G3500 Catalytic Converters

What are the most purchased Catalytic Converters for the GMC G3500?

Out of 42 Catalytic Converters for the GMC G3500, the most popular in our inventory are:
MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94009
from $129.99
This product is not rated
MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94009
Catalytic Converters
MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206
from $213.99
This product is not rated
MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206
Catalytic Converters

What are the top-rated GMC G3500 Catalytic Converters?

Top-rated Catalytic Converters for your GMC G3500 based on customer reviews/ratings are: