2008 Cadillac Escalade EXT Catalytic Converters

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Keep Your 2008 Cadillac Escalade EXT in Top Shape with Quality Catalytic Converters

Whether you’re repairing or upgrading your Catalytic Converter, using high-quality parts is key to keeping your 2008 Cadillac Escalade EXT looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converter Gaskets and Catalytic Converters. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Catalytic Converters from Trusted Brands

Looking for a reliable Catalytic Converter? We’ve got you covered with options from brands you know and trust like Walker. For example, Walker Catalytic Converters start at just $29.49 with an average 4.2 star rating. With over 4 reviews and a solid 5.0 star average, you can shop with confidence knowing other Cadillac Escalade EXT owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2008 Cadillac Escalade EXT Catalytic Converter at Advance Auto Parts is around $1,239.18, with a range that starts at $29.49 and goes up to $3,229.00. With 8 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like "Walker Ultra EPA Direct Fit Catalytic Converter 3.625"" Inlet (ID) 3.5"" Outlet (OD), 50486", MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206, and MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49631 start at just $213.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Catalytic Converter, don’t forget to check out other key components like Exhaust Manifold and Headers and Exhaust Mufflers. At Advance Auto Parts, we’re here to help you keep your 2008 Cadillac Escalade EXT in peak condition, inside and out.

Essential 2008 Cadillac Escalade EXT Catalytic Converters

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49631 (Part No.49631)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49631

from

$1069.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49631. 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 49631 includes (1) Torca Clamp, (1) Donut Gasket, (1) Crush Ring 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 3.625"" Inlet (ID) 3.5"" Outlet (OD), 50486" (Part No.50486)

"Walker Ultra EPA Direct Fit Catalytic Converter 3.625"" Inlet (ID) 3.5"" Outlet (OD), 50486"

from

$1086.00
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, 5582616 (Part No.5582616)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5582616

from

$5720.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5582616. 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 5582616 includes (1) Torca Clamp, (1) Crush Ring 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 CalCat CARB Direct Fit Catalytic Converter Overall Length 36.60 IN, 84798 (Part No.84798)

Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 36.60 IN, 84798

from

$2179.00
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, 5551205 (Part No.5551205)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5551205

from

$1418.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5551205. 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, 4651306 (Part No.4651306)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 4651306

from

$1140.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 4651306. 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, 5582376 (Part No.5582376)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5582376

from

$1828.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5582376. 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, 51556 (Part No.51556)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51556

from

$376.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51556. 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.
See More

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.
See More

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.
See More

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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5451306 (Part No.5451306)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5451306

from

$1278.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5451306. 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 Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93303" (Part No.93303)

"Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93303"

from

$445.99
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 California Grade Carb Compliant Direct-Fit Catalytic Converter, 5451631 (Part No.5451631)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5451631

from

$3229.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451631. 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 5451631 includes (1) Torca Clamp, (1) Donut Gasket, (1) Crush Ring 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 Exhaust Pipe Flange Gasket, 31610 (Part No.31610)

Walker Exhaust Pipe Flange Gasket, 31610

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 Exhaust Pipe Flange Gasket, 31554 (Part No.31554)

Walker Exhaust Pipe Flange Gasket, 31554

from

$29.49
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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Most Popular Catalytic Converter Gasket for 2008 Cadillac Escalade EXTs

Enhance your 2008 Cadillac Escalade EXT with this popular Catalytic Converter Gasket we have in stock, for $29.49.

Walker – Walker Exhaust Pipe Flange Gasket, 31554 (Part No.31554)

Walker Exhaust Pipe Flange Gasket, 31554

from

$29.49
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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Best-Selling 2008 Cadillac Escalade EXT Catalytic Converters

Upgrade your Escalade EXT with one of our 7 best-selling Catalytic Converters.

Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 3.625"" Inlet (ID) 3.5"" Outlet (OD), 50486" (Part No.50486)

"Walker Ultra EPA Direct Fit Catalytic Converter 3.625"" Inlet (ID) 3.5"" Outlet (OD), 50486"

from

$1086.00
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.
See More

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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5451631 (Part No.5451631)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5451631

from

$3229.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451631. 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 5451631 includes (1) Torca Clamp, (1) Donut Gasket, (1) Crush Ring 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.
See More

Walker – Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 36.60 IN, 84798 (Part No.84798)

Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 36.60 IN, 84798

from

$2179.00
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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5451306 (Part No.5451306)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5451306

from

$1278.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5451306. 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

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49631 (Part No.49631)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49631

from

$1069.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49631. 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 49631 includes (1) Torca Clamp, (1) Donut Gasket, (1) Crush Ring 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.
See More

Walker – "Walker CalCat CARB Direct Fit Catalytic Converter 2.25"" Inlet (ID) 2.25""Outlet (ID), 84701" (Part No.84701)

"Walker CalCat CARB Direct Fit Catalytic Converter 2.25"" Inlet (ID) 2.25""Outlet (ID), 84701"

from

$828.99
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.
See More

Top-Rated Catalytic Converter Brands For Your 2008 Cadillac Escalade EXT

When it comes to finding the perfect Catalytic Converter for your 2008 Cadillac Escalade EXT, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Catalytic Converter brands including Walker, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $29.49. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2008 Cadillac Escalade EXT, providing peace of mind with parts that meet or exceed OEM standards.

Popular Walker 2008 Cadillac Escalade EXT Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2008 Cadillac Escalade EXT, Advance Auto Parts has exactly what you need with our selection of Walker Catalytic Converters. We have 1 Walker Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $29.49, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 2008 Cadillac Escalade EXT come highly rated, with over 4 customer reviews and an impressive average rating of 4.2 stars. Choosing a Walker Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Walker Exhaust Pipe Flange Gasket, 31554
from $29.49
(4)
Walker Exhaust Pipe Flange Gasket, 31554
“I had to remove my exhaust system to do some transmission work and opted to replace the gaskets. This gasket is for the passenger side where the exha”

FAQs for 2008 Cadillac Escalade EXT Catalytic Converters

What are the best-selling Catalytic Converters for 2008 Cadillac Escalade EXTs?

Out of 8 Catalytic Converters that fit 2008 Cadillac Escalade EXTs, the following parts are the top sellers:

What’s the price range for 2008 Cadillac Escalade EXT Catalytic Converters?

The prices of Catalytic Converters for the 2008 Cadillac Escalade EXT range from $29.49 up to $3,229.00 for the most premium parts.

What is the average price of a Catalytic Converter for a 2008 Cadillac Escalade EXT?

The average price for Catalytic Converters for the 2008 Cadillac Escalade EXT is $1,239.18. Keep in mind the variety of part types within our Catalytic Converter category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Catalytic Converters for other Cadillac Escalade EXT model years?

Yes, we carry Catalytic Converters for 10 model years of Cadillac Escalade EXTs between 2002 and 2013. The following model years are the most popular for Catalytic Converter purchases: 2013, 2012, 2011, 2010, 2009, 2007, 2006, 2005, and 2004.

What are the cheapest Catalytic Converters for my 2008 Cadillac Escalade EXT?

Does Advance Auto Parts sell Catalytic Converters for any other 2008 Cadillac models?

Yes. We stock Catalytic Converters for 5 other popular 2008 Cadillac models. Some of the most popular are 2008 Escalade Catalytic Converters, 2008 Escalade ESV Catalytic Converters, 2008 CTS Catalytic Converters, 2008 DTS Catalytic Converters, and 2008 SRX Catalytic Converters.

What are the top-rated Catalytic Converters that fit the 2008 Cadillac Escalade EXT?

The one 2008 Cadillac Escalade EXT Catalytic Converter we have in stock is the Walker Exhaust Pipe Flange Gasket, 31554. It is rated 5 stars and costs $29.49.

What types of Catalytic Converters do you sell for my 2008 Cadillac Escalade EXT?

As of 8/2/26, these are some of the most in-demand types of Catalytic Converters for a 2008 Cadillac Escalade EXT:

Can I get help with 2008 Cadillac Escalade EXT Catalytic Converter orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Catalytic Converters and more.

What is your return policy for Cadillac Escalade EXT Catalytic Converters?

Advance Auto Parts keeps returns simple. For new Cadillac Escalade EXT Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.