2004 Chrysler 300M Catalytic Converters

Enhance and Protect Your 2004 Chrysler 300M with Quality Catalytic Converters

Maintaining the performance of your 2004 Chrysler 300M starts with choosing the right parts, and a high-quality Catalytic Converter helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Catalytic Converters specifically for the 2004 Chrysler 300M, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Catalytic Converters for Every Budget

Finding a Catalytic Converter that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $178.99 and an average price of $390.74, you can choose one that fits your budget while delivering the quality you expect. Our Catalytic Converters are competitively priced, ranging from $178.99 to $819.99, so you get value without compromising on strength or reliability.

Trusted Brands and Top-Rated Options

With 8 Catalytic Converters from 2 trusted brands in stock, Advance Auto Parts has you covered. Our Catalytic Converters for the 2004 Chrysler 300M have earned reviews from over 42 customers, with an average 3 stars rating across the board. Popular options include Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed, HM Grade Federal / EPA Compliant Universal Catalytic Converter, and HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, starting at $178.99. Our selection includes highly regarded brands such as Walker and Magnaflow, and more, offering you top-notch reliability. For example, we have 3 Walker Catalytic Converters starting at $179.99 with an average rating of 4 stars, 5 Magnaflow options from $178.99 with a 4 stars rating.

Catalytic Converters for Your 2004 Chrysler 300M

Walker – Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No.93252)

Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

from

$179.99
Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker® Ultra® Universal Catalytic Converters are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • 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 washcoat 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/or welding for installation
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99205HM)

HM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$178.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99205HM 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:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23258)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$263.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23258. 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 1998-2004 Dodge Intrepid, 1999-2004 Chrysler 300M, and more, this direct-fit catalytic converter also interchanges with OE parts 4581 701AJ and 4581 705AJ, among others. 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:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23257)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$350.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23257. 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 1998-2004 Dodge Intrepid, 1999-2004 Chrysler 300M, and more, this direct-fit catalytic converter also interchanges with OE parts 4581 700AJ and 4581 704AJ, among others. Hardware is included to eliminate the hassle of working with corroded factory parts. 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:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51205)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205 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:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.4481760)

California Grade CARB Compliant Direct-Fit Catalytic Converter

from

$819.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481760. 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 1998-2004 Dodge Intrepid, 2000-2004 Chrysler 300M, and more, this direct-fit catalytic converter also interchanges with OE parts 4581 701AJ and 4581 705AJ, among others. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • 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.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.82508)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$661.99
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.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
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Walker – Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance (Part No.52232)

Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance

from

$474.99
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.

Product Features:
  • 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/or welding
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES – OE-style high-technology washcoat 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
See More

FAQs for 2004 Chrysler 300M Catalytic Converters

Which Catalytic Converters are the top sellers for the 2004 Chrysler 300M?

Out of 8 Catalytic Converters that fit 2004 Chrysler 300Ms, the following parts are the top sellers:
Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed
from $179.99
(13)
Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed
Catalytic Converters

How can I make sure that a part will be compatible with my 2004 Chrysler 300M?

Our Chrysler 300M aftermarket and OEM parts are designed specifically for the 2004 model. You can always find your specific fitment and compatibility for your 2004 Chrysler on an individual product page.

What is the price range for 2004 Chrysler 300M Catalytic Converters?

The range of prices of Catalytic Converters for the 2004 Chrysler 300M goes from $178.99 up to $819.99 for the most premium parts.

What is the average price of a 2004 Chrysler 300M Catalytic Converter?

2004 Chrysler 300M Catalytic Converters average $390.74 for our selection of OEM and aftermarket parts. Keep in mind the variety of brands we offer, such as Walker Magnaflow, and more, so you are likely to find a wide range of prices across a variety of brands and products.

Does Advance Auto Parts sell Catalytic Converters for other Chrysler 300M model years?

Yes, we currently stock Catalytic Converters for 5 model years of Chrysler 300Ms, from 1999 to 2003. Model years 2003, 2002, 2001, 2000, and 1999 are the most popular for Catalytic Converter purchases.

Which Catalytic Converters are highest rated for the 2004 Chrysler 300M?

Based on 42 customer reviews, our 2004 Chrysler 300M Catalytic Converters have an average rating of 3. Explore our top-rated Catalytic Converters here:
HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
from $350.99
(2)
HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
“This product is the wrong length between the flange and the first bend (about 2 inches too long). This throws off where things fall for the remainder”

Can I get help with 2004 Chrysler 300M Catalytic Converter orders?

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

What is your return policy for Chrysler 300M Catalytic Converters?

Advance Auto Parts keeps returns simple. For new Chrysler 300M Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.