2009 Cadillac DTS Catalytic Converters
Keep Your 2009 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 2009 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. For example, Magnaflow Catalytic Converters start at just $178.99 with an average 4.1 star rating. With over 2 reviews and a solid 4 star average, you can shop with confidence knowing other Cadillac DTS owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2009 Cadillac DTS Catalytic Converter at Advance Auto Parts is around $798.74, with a range that starts at $178.99 and goes up to $1,566.99. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Direct-Fit OEM Grade Catalytic Converter, OEM Grade Universal Catalytic Converter – 3.00", and Direct-Fit HM Grade Catalytic Converter start at just $194.99 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 Gaskets and Exhaust Pipes. At Advance Auto Parts, we’re here to help you keep your 2009 Cadillac DTS in peak condition, inside and out.
Find Your Specific 2009 Cadillac DTS Catalytic Converters
Looking for the perfect Catalytic Converter for your 2009 Cadillac DTS? You’re in the right place. Below, you’ll find links to various types of Catalytic Converters that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Catalytic Converters, ensuring durability and a precise fit for your Cadillac DTS. Whether you’re driving a 2009 model or another popular model year like
2006,
2007,
2008,
2010, and
2011, we’ve got you covered. Purchasing Catalytic Converters from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Catalytic Converters that fit your vehicle.
Essential 2009 Cadillac DTS Catalytic Converters
Walker – Ultra EPA Direct-Fit Catalytic Converter – 2.625" Outlet (OD) (Part No.16686)
from
$1566.99
Product Features:
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- EPA COMPLIANT – For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped 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 welding
- KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES – OE-style high-technology wash coat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
- 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 50,000-mile/80,000-kilometer structural integrity limited warranty. Visit Walkerexhaust.com for details.
MagnaFlow – OEM Grade Universal Catalytic Converter – 3.00" (Part No.51209)
from
$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51209 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design, cutting and welding is required. 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 OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
MagnaFlow – Direct-Fit OEM Grade Catalytic Converter (Part No.51762)
from
$1566.99
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 spun” Body 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 spun” Body 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. Designed to fit the 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, and more, this direct-fit catalytic converter also interchanges with OE parts 15921941 and 10387300. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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.
Product Features:
See More
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
MagnaFlow – HM Grade Universal Catalytic Converter – 3.00" (Part No.99209HM)
from
$178.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99209HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design, cutting and welding is required. 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 OBDII Federally registered vehicles with Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
MagnaFlow – Direct-Fit HM Grade Catalytic Converter (Part No.93150)
from
$1253.99
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 spun” Body 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 spun” Body 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. Designed to fit the 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, and more, this direct-fit catalytic converter also interchanges with OE parts 15921941 and 25793476, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
Walker – Ultra EPA Universal Catalytic Converter – 3" Inlet (ID) 3" Outlet (ID) (Part No.93304)
from
$247.99
Product Features:
See More
- EPA COMPLIANT – For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
- KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES – OE-style high-technology wash coat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
- 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.
Popular 2009 Cadillac DTS Catalytic Converters Categories
Most Popular Catalytic Converters for 2009 Cadillac DTSs
Enhance your 2009 Cadillac DTS with one of the 4 Catalytic Converters we have in stock, starting at just $178.99.
MagnaFlow – HM Grade Universal Catalytic Converter – 3.00" (Part No.99209HM)
from
$178.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99209HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design, cutting and welding is required. 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 OBDII Federally registered vehicles with Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
MagnaFlow – Direct-Fit OEM Grade Catalytic Converter (Part No.51762)
from
$1566.99
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 spun” Body 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 spun” Body 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. Designed to fit the 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, and more, this direct-fit catalytic converter also interchanges with OE parts 15921941 and 10387300. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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.
Product Features:
See More
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
MagnaFlow – Direct-Fit HM Grade Catalytic Converter (Part No.93150)
from
$1253.99
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 spun” Body 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 spun” Body 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. Designed to fit the 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, and more, this direct-fit catalytic converter also interchanges with OE parts 15921941 and 25793476, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
MagnaFlow – OEM Grade Universal Catalytic Converter – 3.00" (Part No.51209)
from
$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51209 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design, cutting and welding is required. 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 OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
Top-Rated Catalytic Converter Brands For Your 2009 Cadillac DTS
When it comes to finding the perfect Catalytic Converter for your 2009 Cadillac DTS, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 trusted brands. We carry the most popular Catalytic Converter brands including Magnaflow, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $178.99. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2009 Cadillac DTS, providing peace of mind with parts that meet or exceed OEM standards.
Popular Magnaflow 2009 Cadillac DTS Catalytic Converters
If you’re looking for a top-quality Catalytic Converter for your 2009 Cadillac DTS, Advance Auto Parts has exactly what you need with our selection of Magnaflow Catalytic Converters. We have 1 Magnaflow Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $178.99, you’ll find the perfect Catalytic Converter for your needs and budget. Magnaflow Catalytic Converters for the 2009 Cadillac DTS come highly rated, with over 1 customer reviews and an impressive average rating of 4.1 stars. Choosing a Magnaflow Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
FAQs for 2009 Cadillac DTS Catalytic Converters
What are the best-selling Catalytic Converters for 2009 Cadillac DTSs?
Out of 4 Catalytic Converters that fit 2009 Cadillac DTSs, the following parts are the top sellers:
- Direct-Fit OEM Grade Catalytic Converter (10605122) – $1,566.99
- OEM Grade Universal Catalytic Converter – 3.00" (10605687) – $194.99
- Direct-Fit HM Grade Catalytic Converter (10083710) – $1,253.99
What’s the price range for 2009 Cadillac DTS Catalytic Converters?
The prices of Catalytic Converters for the 2009 Cadillac DTS range from $178.99 up to $1,566.99 for the most premium parts.
What is the average price of a Catalytic Converter for a 2009 Cadillac DTS?
The average price for Catalytic Converters for the 2009 Cadillac DTS is $798.74. 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?
What are the cheapest Catalytic Converters for my 2009 Cadillac DTS?
The cheapest 2009 Cadillac DTS Catalytic Converters we carry are:
- HM Grade Universal Catalytic Converter – 3.00" (10604831) – $178.99
- OEM Grade Universal Catalytic Converter – 3.00" (10605687) – $194.99
- Direct-Fit HM Grade Catalytic Converter (10083710) – $1,253.99
- Direct-Fit OEM Grade Catalytic Converter (10605122) – $1,566.99
Does Advance Auto Parts sell Catalytic Converters for any other 2009 Cadillac models?
Yes. We stock Catalytic Converters for 5 other popular 2009 Cadillac models. Some of the most popular are 2009 Escalade Catalytic Converters, 2009 Escalade ESV Catalytic Converters, 2009 Escalade EXT Catalytic Converters, 2009 CTS Catalytic Converters, and 2009 SRX Catalytic Converters.
What are the top-rated Catalytic Converters that fit the 2009 Cadillac DTS?
The one 2009 Cadillac DTS Catalytic Converter we have in stock is the HM Grade Universal Catalytic Converter – 3.00". It is rated 4 stars and costs $178.99.
What types of Catalytic Converters do you sell for my 2009 Cadillac DTS?
We currently have just 1 Catalytic Converter in stock for a 2009 Cadillac DTS, and as of 11/2/25, it is a Catalytic Converter.
Can I get help with 2009 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.