GMC G1500 Catalytic Converters

Your One-Stop Shop For Trusted GMC G1500 Catalytic Converters

If you’re in search of GMC G1500 Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 17 Catalytic Converters from top brands with prices ranging from $129.99 to $1,159.00.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your GMC G1500.

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 G1500 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 G1500 Catalytic Converters

MagnaFlow – Standard Grade Federal / Epa Compliant Universal Catalytic Converter (Part No.94016)

Standard Grade Federal / Epa Compliant Universal Catalytic Converter

from

$137.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94016. 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.

Product Features:
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Walker – Standard EPA Direct Fit Catalytic Converter 2.5" Inlt ID 2.5" Outlt ID 2.5" Outlt OD (Part No.15501)

Standard EPA Direct Fit Catalytic Converter 2.5" Inlt ID 2.5" Outlt ID 2.5" Outlt OD

from

$326.99
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.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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Walker – Standard EPA Universal Catalytic Converter – 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.15042)

Standard EPA Universal Catalytic Converter - 2.5" Inlet (ID) 2.5" Outlet (ID)

from

$175.99
Product Features:
  • EPA COMPLIANT – For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED – Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE – Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION – Customizable design features expandable bushings for easy fitment and may require specialized fabrication and welding for installation
  • OE-STYLE DESIGN – Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE – Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 50,000-mile/80,000-kilometer structural integrity limited warranty. Visit Walkerexhaust.com for details.
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Walker – Standard EPA Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID) (Part No.15043)

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

from

$218.99
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.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
See More

MagnaFlow – California Grade Carb Compliant Universal Catalytic Converter (Part No.333006)

California Grade Carb Compliant Universal Catalytic Converter

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.

Product Features:
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MagnaFlow – Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter (Part No.93476)

Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter

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.

Product Features:
See More

MagnaFlow – California Grade Carb Compliant Universal Catalytic Converter (Part No.334009)

California Grade Carb Compliant Universal Catalytic Converter

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.

Product Features:
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Walker – Standard EPA Direct Fit Catalytic Converter 3" Inlet (ID) 3" Outlet (OD) (Part No.15693)

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

from

$373.99
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.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
See More

MagnaFlow – Standard Grade Federal / Epa Compliant Universal Catalytic Converter (Part No.94009)

Standard Grade Federal / Epa Compliant Universal Catalytic Converter

from

$129.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94009. 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.

Product Features:
See More

MagnaFlow – California Grade Carb Compliant Universal Catalytic Converter (Part No.334006)

California Grade Carb Compliant Universal Catalytic Converter

from

$219.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 334006. 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.

Product Features:
See More

Walker – CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID) (Part No.80907)

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

from

$611.99
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.

Product Features:
See More

MagnaFlow – California Grade Carb Compliant Universal Catalytic Converter (Part No.333009)

California Grade Carb Compliant Universal Catalytic Converter

from

$368.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 333009. 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.

Product Features:
See More

MagnaFlow – California Grade Carb Compliant Direct-Fit Catalytic Converter (Part No.3391432)

California Grade Carb Compliant Direct-Fit Catalytic Converter

from

$1159.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3391432. 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.

Product Features:
See More

MagnaFlow – California Grade Carb Compliant Direct-Fit Catalytic Converter (Part No.3391476)

California Grade Carb Compliant Direct-Fit Catalytic Converter

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.

Product Features:
See More

Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.80906)

CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)

from

$611.99
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.

Product Features:
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MagnaFlow – California Grade Carb Compliant Universal Catalytic Converter (Part No.339106)

California Grade Carb Compliant Universal Catalytic Converter

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.

Product Features:
See More

MagnaFlow – Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter (Part No.93432)

Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter

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.

Product Features:
See More

Catalytic Converters Brands You Can Trust For Your GMC G1500

2 trusted brands of Catalytic Converters line our shelves, ready to help keep your GMC G1500 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 G1500 span several categories. Some of the highest-rated Walker Catalytic Converters that will fit your GMC G1500 are:

Most Purchased GMC G1500 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 GMC G1500. Here are the Walker Catalytic Converters Advanced Auto customers buy the most:
Standard Grade Federal / Epa Compliant Universal Catalytic Converter
from $129.99
This product is not rated
Standard Grade Federal / Epa Compliant Universal Catalytic Converter
Catalytic Converters

FAQs for GMC G1500 Catalytic Converters

What are the most purchased Catalytic Converters for the GMC G1500?

Out of 17 Catalytic Converters for the GMC G1500, the most popular in our inventory are:
Standard Grade Federal / Epa Compliant Universal Catalytic Converter
from $129.99
This product is not rated
Standard Grade Federal / Epa Compliant Universal Catalytic Converter
Catalytic Converters
CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)
from $611.99
This product is not rated
CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)
Catalytic Converters
Standard Grade Federal / Epa Compliant Universal Catalytic Converter
from $137.99
This product is not rated
Standard Grade Federal / Epa Compliant Universal Catalytic Converter
Catalytic Converters