GMC K1500 Catalytic Converters

Your One-Stop Shop For Trusted GMC K1500 Catalytic Converters

If you’re in search of GMC K1500 Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 54 Catalytic Converters from top brands with prices ranging from $4.25 to $2,098.00.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your GMC K1500.

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 K1500 Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential GMC K1500 Catalytic Converters

Victor Reinz – Victor Reinz Catalytic Converter Gasket, 71-14058-00 (Part No.71-14058-00)

Victor Reinz Catalytic Converter Gasket, 71-14058-00

from

$9.39
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Walker – Walker Exhaust Pipe Flange Gasket, 31588 (Part No.31588)

Walker Exhaust Pipe Flange Gasket, 31588

from

$9.99
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 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 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 Ultra EPA Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 93236" (Part No.93236)

"Walker Ultra EPA Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 93236"

from

$246.99
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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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204 (Part No.51204)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204. 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 Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94037 (Part No.94037)

MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94037

from

$141.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94037. 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 Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93432 (Part No.93432)

MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93432

from

$219.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93432. 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 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, 445005 (Part No.445005)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 445005

from

$603.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445005. 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 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 Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23256 (Part No.23256)

MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23256

from

$379.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23256. 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 23256 includes (1) Torca Clamp, (2) Donut Gaskets. 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 CalCat CARB Direct Fit Catalytic Converter 2.5"" Inlet (ID) 3.375"" Outlet (OD), 80946" (Part No.80946)

"Walker CalCat CARB Direct Fit Catalytic Converter 2.5"" Inlet (ID) 3.375"" Outlet (OD), 80946"

from

$1139.00
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. 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, 333006 (Part No.333006)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 333006

from

$368.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 333006. 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, 94047 (Part No.94047)

MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94047

from

$151.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94047. 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 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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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 3391256 (Part No.3391256)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 3391256

from

$1285.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3391256. 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 3391256 includes (1) Torca Clamp, (2) Donut Gaskets. 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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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 3.25"" Inlet (ID), 50409" (Part No.50409)

"Walker Ultra EPA Direct Fit Catalytic Converter 3.25"" Inlet (ID), 50409"

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 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 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 Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99004HM (Part No.99004HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99004HM

from

$242.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99004HM. 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 Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93476 (Part No.93476)

MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93476

from

$296.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93476. 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 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 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 CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 83506" (Part No.83506)

"Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 83506"

from

$481.99
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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Catalytic Converters Brands You Can Trust For Your GMC K1500

4 trusted brands of Catalytic Converters line our shelves, ready to help keep your GMC K1500 running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Top GMC K1500 Catalytic Converters from Walker

Your GMC K1500 will be purring again thanks to Walker brand Catalytic Converters available for online order or in-store pick up. Popular Walker parts include:
Walker Ultra EPA Direct Fit Catalytic Converter, 50410
from $704.99
(14)
Walker Ultra EPA Direct Fit Catalytic Converter, 50410
Catalytic Converters

Most Purchased GMC K1500 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 K1500. Here are the MagnaFlow Catalytic Converters Advanced Auto customers buy the most:

FAQs for GMC K1500 Catalytic Converters

What are the most purchased Catalytic Converters for the GMC K1500?

Out of 54 Catalytic Converters for the GMC K1500, the most popular in our inventory are:

What are the top-rated GMC K1500 Catalytic Converters?

Top-rated Catalytic Converters for your GMC K1500 based on customer reviews/ratings are:
"Walker Standard EPA Direct Fit Catalytic Converter 3.25"" Inlet (ID) 3.375"" Outlet (OD), 50300"
from $383.99
(8)
"Walker Standard EPA Direct Fit Catalytic Converter 3.25"" Inlet (ID) 3.375"" Outlet (OD), 50300"
“My muffler guy had no problem getting this in place. It came with no parts or accessories but the bands lined up perfectly and was easy to install.”
MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23256
from $379.99
(7)
MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23256
“I like the better flowing look of this and it has a 2 piece design for the drivers side pipe making it super easy to install. Kit included the donut e”
MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23453
from $665.99
(6)
MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23453
“I installed this on my 97 GMC with 240+K miles. The old one had died, to the point the catalyst “nets” had melted down to clumps of metal on one side.”