Mercedes-Benz R350 Catalytic Converters

Your One-Stop Shop For Trusted Mercedes-Benz R350 Catalytic Converters

If you’re in search of Mercedes-Benz R350 Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 4 Catalytic Converters from top brands with prices ranging from $487.99 to $1,253.99.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your Mercedes-Benz R350. Of the 2 OEM and aftermarket parts brands we carry, some of the most popular are Walker and Magnaflow.

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 Mercedes-Benz R350 Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mercedes-Benz R350 Catalytic Converters

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52177)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$783.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52177. 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. This direct-fit catalytic converter is designed specifically for the 2006-2011 Mercedes-Benz R350 and interchanges with OE parts 251 490 70 14 80 and 251 490 02 14, 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 California or 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 Direct-Fit Catalytic Converter (Part No.52178)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$487.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52178. 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. This direct-fit catalytic converter is designed specifically for the 2006-2011 Mercedes-Benz R350 and interchanges with OE parts 251 490 69 14 80 and 251 490 01 14, 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 California or 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.
See More

Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.55690)

Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed

from

$957.99
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
  • 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 – California Grade CARB Compliant Universal Catalytic Converter (Part No.5551355)

California Grade CARB Compliant Universal Catalytic Converter

from

$1253.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5551355. The Universal design allows the part to fit a wide array of vehicles (cutting and welding required), and the stainless steel construction of this spun body catalytic converter is highly resistant to corrosion. The single laser fusion weld of the spun body 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.

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 CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Catalytic Converters Brands You Can Trust For Your Mercedes-Benz R350

2 trusted brands of Catalytic Converters line our shelves, ready to help keep your Mercedes-Benz R350 running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Most Purchased Mercedes-Benz R350 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 Mercedes-Benz R350. Here are the Walker Catalytic Converters Advanced Auto customers buy the most:
Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed
from $957.99
This product is not rated
Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed
Catalytic Converters
California Grade CARB Compliant Universal Catalytic Converter
from $1253.99
This product is not rated
California Grade CARB Compliant Universal Catalytic Converter
Catalytic Converters
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
from $783.99
This product is not rated
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
Catalytic Converters

FAQs for Mercedes-Benz R350 Catalytic Converters

What are the most purchased Catalytic Converters for the Mercedes-Benz R350?

Out of 4 Catalytic Converters for the Mercedes-Benz R350, the most popular in our inventory are:
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
from $783.99
This product is not rated
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
Catalytic Converters
California Grade CARB Compliant Universal Catalytic Converter
from $1253.99
This product is not rated
California Grade CARB Compliant Universal Catalytic Converter
Catalytic Converters
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
from $487.99
This product is not rated
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
Catalytic Converters