2018 Toyota 4Runner Catalytic Converters

Your 2018 Toyota 4Runner might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Catalytic Converters you desperately need.

We currently carry 8 Catalytic Converters to choose from for your 2018 Toyota 4Runner, and our inventory prices range from as little as $194.99 up to $888.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Catalytic Converters for the 2018 Toyota 4Runner. We only sell parts from trusted brands like Magnaflow so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Catalytic Converters stock in-person!

Catalytic Converters for Your 2018 Toyota 4Runner

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.
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aFe POWER – Catalytic Converter (Part No.47-46003)

Catalytic Converter

from

$414.99
Replace the faulty or old stock catalytic converter with the all new aFe power direct-fit cat replacement. This cat replacement is constructed of mandrel-bent, 100% MIG welded stainless steel for strength and durability. This unit comes with a 49-State federal approved cat and 3/8″ thick flanges for a secure hassle-free installation. This cat replacement is designed as a one piece system that retains the factory O2 sensor and hanger locations for a direct bolt-on and go solution. Stainless Steel Construction: This system is constructed of durable mandrel bent stainless steel tubing for maximum performance, corrosion resistance and strength, eliminating cracking. Factory Mounting Locations: Utilizes factory mounting locations and factory style flanges making it a true bolt-on system. Catalytic Converter: This kit comes with a 49-State federal approved catalytic converter for a bolt-on and go installation.

Product Features:
  • Passenger Side/ Rear Right Replacement
  • 3/8 in. Thick Laser Cut Flanges
  • 100% Hand MIG-Welded
  • Direct Fitment
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MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51204)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204 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.
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Walker – EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed (Part No.16682)

EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed

from

$888.99
Designed to comply with EPA emissions requirements while delivering premium performance with assured compliance, Walker® Ultra® EPA-Compliant Manifold 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.
  • DIRECT-FIT DESIGN — Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • 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 and manifolds 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 – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.51231)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$824.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51231. 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 2010-2019 Toyota 4Runner and 2010-2014 Toyota FJ Cruiser, this direct-fit catalytic converter also interchanges with OE parts 17450-31111 and 17450-31190. 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:
  • 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.49211)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$590.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49211. 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 2003-2019 Toyota 4Runner and 2007-2014 Toyota FJ Cruiser, this direct-fit catalytic converter also interchanges with OE parts 17410-31380 and 17410-31450, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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

MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23985)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$562.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23985. 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 2003-2019 Toyota 4Runner and 2007-2014 Toyota FJ Cruiser, this direct-fit catalytic converter also interchanges with OE parts 17410-31380 and 17410-31450, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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.
See More

aFe POWER – Catalytic Converter (Part No.47-46004)

Catalytic Converter

from

$425.99
Replace the faulty or old stock catalytic converter with the all new aFe power direct-fit cat replacement. This cat replacement is constructed of mandrel-bent, 100% MIG welded stainless steel for strength and durability. This unit comes with a 49-State federal approved cat and 3/8″ thick flanges for a secure hassle-free installation. This cat replacement is designed as a one piece system that retains the factory O2 sensor and hanger locations for a direct bolt-on and go solution. Stainless Steel Construction: This system is constructed of durable mandrel bent stainless steel tubing for maximum performance, corrosion resistance and strength, eliminating cracking. Factory Mounting Locations: Utilizes factory mounting locations and factory style flanges making it a true bolt-on system. Catalytic Converter: This kit comes with a 49-State federal approved catalytic converter for a bolt-on and go installation.

Product Features:
  • Drivers Side/Rear Left Converter Replacement
  • 1-Piece Design
  • Retains Factory O2 Sensor And Hanger Locations
  • 3/8 in. Thick Laser-Cut Flanges
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FAQs for 2018 Toyota 4Runner Catalytic Converters

What are the most popular Catalytic Converters for the 2018 Toyota 4Runner?

With 3 brands you can trust, our most popular Catalytic Converters for the 2018 Toyota 4Runner parts are:
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
from $194.99
This product is not rated
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
Catalytic Converters
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
from $194.99
This product is not rated
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
Catalytic Converters
Catalytic Converter
from $414.99
This product is not rated
Catalytic Converter
Catalytic Converters