GMC Terrain Catalytic Converters

Your One-Stop Shop For Trusted GMC Terrain Catalytic Converters

If you’re in search of GMC Terrain Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 25 Catalytic Converters from top brands with prices ranging from $5.49 to $2,262.00.

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

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 Terrain 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 Terrain Catalytic Converters

Walker – Walker Exhaust Pipe Flange Gasket, 31602 (Part No.31602)

Walker Exhaust Pipe Flange Gasket, 31602

from

$9.89
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, 31537 (Part No.31537)

Walker Exhaust Pipe Flange Gasket, 31537

from

$5.49
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, 31337 (Part No.31337)

Walker Exhaust Pipe Flange Gasket, 31337

from

$5.49
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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Dorman – Dorman Pre-Converter – Not CARB Compliant, 679-755 (Part No.679-755)

Dorman Pre-Converter - Not CARB Compliant, 679-755

from

$899.99
This catalytic converter is precision-engineered to match the original equipment fit and function 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, 21-421 (Part No.21-421)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-421

from

$989.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-421. 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 21-421 includes (6) Bolts, (1) Flange Gasket, (2) Split Lock Washers and interchanges with OE parts 12667331. 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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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 Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52103 (Part No.52103)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52103

from

$497.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52103. 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 52103 includes (1) Torca Clamp, (1) Flange 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 California or Federal/EPA Emission systems.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.74"" Outlet (OD), 16796" (Part No.16796)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.74"" Outlet (OD), 16796"

from

$679.99
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 2.25"" Outlet (ID), 54850" (Part No.54850)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.25"" Outlet (ID), 54850"

from

$553.99
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 California Grade Carb Compliant Universal Catalytic Converter, 5582406 (Part No.5582406)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5582406

from

$1864.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5582406. 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 Direct-Fit Catalytic Converter, 52186 (Part No.52186)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52186

from

$743.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52186. 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 52186 includes (5) Nuts, (6) Bolts, (6) Flat Washers, (1) O2 Port Plug, (1) Flange Gasket, (1) Crush Ring Gasket and interchanges with OE parts 25970315. 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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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5592306 (Part No.5592306)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5592306

from

$1230.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5592306. 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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Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-527 (Part No.679-527)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-527

from

$764.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
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Dorman – Dorman Pre-Converter – CARB Compliant – Direct replacement, 673-486 (Part No.673-486)

Dorman Pre-Converter - CARB Compliant - Direct replacement, 673-486

from

$1972.00
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 Manifold Catalytic Converter, 52230 (Part No.52230)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 52230

from

$965.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 52230. 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 Manifold Catalytic Converter is designed to fit the 2010-2011 Chevrolet Equinox 3.0L & 2010-2011 GMC Terrain 3.0L. MagnaFlow 52230 includes (1) Flange 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 California or Federal/EPA Emission systems.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5592103 (Part No.5592103)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5592103

from

$1264.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5592103. 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 5592103 includes (1) Torca Clamp, (1) Flange Gasket. 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 Direct Fit Catalytic Converter Overall Length 18.730 IN, 16952 (Part No.16952)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 18.730 IN, 16952

from

$985.99
Designed to comply with EPA emissions requirements, Walker Ultra EPA-compliant manifold converters are available for import and domestic OBDII (1996 and newer) vehicles. Engineered for specific vehicle emissions requirements with an OE-style high-technology washcoat and optimal precious metal load, Ultra manifold converters provide premium performance and durability.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter, 2.74"" Outlet (OD), 16581" (Part No.16581)

"Walker Ultra EPA Direct Fit Catalytic Converter, 2.74"" Outlet (OD), 16581"

from

$899.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.
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Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 14.230 IN, 16883 (Part No.16883)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 14.230 IN, 16883

from

$883.99
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 California Grade Carb Compliant Direct-Fit Catalytic Converter, 5592804 (Part No.5592804)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5592804

from

$1372.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5592804. 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 5592804 includes (1) Flange Gasket. 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 Direct Fit Catalytic Converter Overall Length 14.030 IN, 16882 (Part No.16882)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 14.030 IN, 16882

from

$881.99
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 CARB Universal Catalytic Converter, 84808 (Part No.84808)

Walker CalCat CARB Universal Catalytic Converter, 84808

from

$413.99
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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Dorman – Dorman Pre-Converter – CARB Compliant, 678-527 (Part No.678-527)

Dorman Pre-Converter - CARB Compliant, 678-527

from

$1884.00
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51804 (Part No.51804)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51804

from

$479.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51804. 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 51804 includes (1) Flange Gasket and interchanges with OE parts 25970320. 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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5582941 (Part No.5582941)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5582941

from

$2262.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5582941. 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 5582941 includes (5) Nuts, (6) Bolts, (6) Flat Washers, (1) O2 Port Plug, (1) Flange Gasket, (1) Crush Ring Gasket and interchanges with OE parts 25970315. 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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Catalytic Converters Brands You Can Trust For Your GMC Terrain

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

Most Purchased GMC Terrain 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 Terrain. Here are the Walker Catalytic Converters Advanced Auto customers buy the most:
Walker Exhaust Pipe Flange Gasket, 31602
from $9.89
(2)
Walker Exhaust Pipe Flange Gasket, 31602
Catalytic Converter Gaskets
MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52186
from $743.99
This product is not rated
MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52186
Catalytic Converters

FAQs for GMC Terrain Catalytic Converters

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

Out of 25 Catalytic Converters for the GMC Terrain, the most popular in our inventory are:
"Walker Ultra EPA Direct Fit Catalytic Converter 2.25"" Outlet (ID), 54850"
from $553.99
This product is not rated
"Walker Ultra EPA Direct Fit Catalytic Converter 2.25"" Outlet (ID), 54850"
Catalytic Converters
MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52186
from $743.99
This product is not rated
MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52186
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