2008 Cadillac DTS Catalytic Converters

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Keep Your 2008 Cadillac DTS 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 DTS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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 MagnaFlow and Walker. For example, MagnaFlow Catalytic Converters start at just $196.99 with an average 4.1 star rating. Walker offer similar pricing and quality, backed by strong customer feedback. With over 46 reviews and a solid 4.0 star average, you can shop with confidence knowing other Cadillac DTS owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2008 Cadillac DTS Catalytic Converter at Advance Auto Parts is around $924.52, with a range that starts at $196.99 and goes up to $1,813.00. With 9 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like "Walker Ultra EPA Direct Fit Catalytic Converter 2.625"" Outlet (OD), 16686", MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99559HM, and MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51762 start at just $346.99 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 Fittings and Exhaust Pipes. At Advance Auto Parts, we’re here to help you keep your 2008 Cadillac DTS in peak condition, inside and out.

Essential 2008 Cadillac DTS Catalytic Converters

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99209HM (Part No.99209HM)

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

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99209HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93150 (Part No.93150)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93150

from

$1366.00
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93150. 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 93150 includes (1) Flange Gasket and interchanges with OE parts 10387300, 15921941, 25793476. 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, 5561206 (Part No.5561206)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5561206

from

$1338.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5561206. 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, 51209 (Part No.51209)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51209

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51209. 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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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 Ultra EPA Direct Fit Catalytic Converter 2.625"" Outlet (OD), 16686" (Part No.16686)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.625"" Outlet (OD), 16686"

from

$1813.00
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 Universal Catalytic Converter, 5561205 (Part No.5561205)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5561205

from

$1338.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5561205. 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, 51559 (Part No.51559)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51559

from

$376.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51559. 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 Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51762 (Part No.51762)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51762

from

$1707.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51762. 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 51762 includes (1) Flange Gasket and interchanges with OE parts 10387300, 15921941. 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 Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99559HM (Part No.99559HM)

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

from

$346.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99559HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 2.75"" Outlet (ID), 84507" (Part No.84507)

"Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 2.75"" Outlet (ID), 84507"

from

$1423.00
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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Most Popular Catalytic Converters for 2008 Cadillac DTSs

Enhance your 2008 Cadillac DTS with one of the 9 Catalytic Converters we have in stock, starting at just $196.99.

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.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99209HM (Part No.99209HM)

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

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99209HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.625"" Outlet (OD), 16686" (Part No.16686)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.625"" Outlet (OD), 16686"

from

$1813.00
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 Direct-Fit Catalytic Converter, 51762 (Part No.51762)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51762

from

$1707.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51762. 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 51762 includes (1) Flange Gasket and interchanges with OE parts 10387300, 15921941. 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 Universal Catalytic Converter 3"" Inlet (ID) 2.75"" Outlet (ID), 84507" (Part No.84507)

"Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 2.75"" Outlet (ID), 84507"

from

$1423.00
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

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93150 (Part No.93150)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93150

from

$1366.00
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93150. 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 93150 includes (1) Flange Gasket and interchanges with OE parts 10387300, 15921941, 25793476. 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 Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51559 (Part No.51559)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51559

from

$376.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51559. 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 Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99559HM (Part No.99559HM)

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

from

$346.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99559HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51209 (Part No.51209)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51209

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51209. 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

Top-Rated Catalytic Converter Brands For Your 2008 Cadillac DTS

When it comes to finding the perfect Catalytic Converter for your 2008 Cadillac DTS, 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 MagnaFlow, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $196.99. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2008 Cadillac DTS, providing peace of mind with parts that meet or exceed OEM standards.

Popular Walker 2008 Cadillac DTS Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2008 Cadillac DTS, 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 $348.99, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 2008 Cadillac DTS come highly rated, with over 15 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 Ultra EPA Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 93304"
from $348.99
(15)
"Walker Ultra EPA Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 93304"
“This is a good replcacement if you have welding capability.Total cost to me was about half of what a complete new assembly.Must remove complete exhaus”

Top-Quality MagnaFlow 2008 Cadillac DTS Catalytic Converters

For those in search of a high-quality Catalytic Converter for their 2008 Cadillac DTS, Advance Auto Parts offers a great selection of MagnaFlow Catalytic Converters. With 1 MagnaFlow Catalytic Converters in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Catalytic Converters start at just $196.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.1 stars, MagnaFlow Catalytic Converters provide both reliability and excellent performance. Choosing a MagnaFlow Catalytic Converter from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 2008 Cadillac DTS Catalytic Converters

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

Out of 9 Catalytic Converters that fit 2008 Cadillac DTSs, the following parts are the top sellers:

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

The prices of Catalytic Converters for the 2008 Cadillac DTS range from $196.99 up to $1,813.00 for the most premium parts.

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

The average price for Catalytic Converters for the 2008 Cadillac DTS is $924.52. 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 DTS model years?

Yes, we carry Catalytic Converters for 4 model years of Cadillac DTSs between 2006 and 2011. The following model years are the most popular for Catalytic Converter purchases: 2011, 2010, 2009, 2007, and 2006.

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 Escalade EXT Catalytic Converters, 2008 CTS Catalytic Converters, and 2008 SRX Catalytic Converters.

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

The one 2008 Cadillac DTS Catalytic Converter we have in stock is the MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99209HM. It is rated 4 stars and costs $196.99.

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

We currently have just 1 Catalytic Converter in stock for a 2008 Cadillac DTS, and as of 8/2/26, it is a Catalytic Converter.

Can I get help with 2008 Cadillac DTS 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 DTS Catalytic Converters?

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