Nissan Altima Catalytic Converters

Your One-Stop Shop For Trusted Nissan Altima Catalytic Converters

If you’re in search of Nissan Altima Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 105 Catalytic Converters from top brands with prices ranging from $3.29 to $1,576.99.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your Nissan Altima. Of the 8 OEM and aftermarket parts brands we carry, some of the most popular are Walker, MAGNAFLOW, and Dorman.

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 Nissan Altima Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Nissan Altima Catalytic Converters

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52163)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$1033.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52163. 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 2007-2018 Nissan Altima and 2013 Nissan Pathfinder, this direct-fit catalytic converter also interchanges with OE parts 208A2-3JG0A and 208A2-JA10A, 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

Dorman – Manifold Converter – Carb Compliant – For Legal Sale In NY – CA – ME (Part No.673-959)

Manifold Converter - Carb Compliant - For Legal Sale In NY - CA - ME

from

$714.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation.
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Dorman – Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant (Part No.679-507)

Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant

from

$599.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this catalytic converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Durable construction – manufactured within strict tolerances for reliable longevity.
  • Cost-effective solution – offers original equipment functionality at a competitive price
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99206HM)

HM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$178.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99206HM 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.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49523)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$347.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49523. 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 2002-2006 Nissan Altima and interchanges with OE parts 20020-3Z800 and 20020-3Z810, 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.93257)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$264.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93257. 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 2007-2018 Nissan Altima and interchanges with OE parts 20010-3TA2A and 20010-3TA3A, 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:
  • 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

Dorman – Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant (Part No.679-517)

Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant

from

$483.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this catalytic converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Durable construction – manufactured within strict tolerances for reliable longevity.
  • Cost-effective solution – offers original equipment functionality at a competitive price
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99236HM)

HM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$182.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99236HM 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.
See More

Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-959)

Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

from

$591.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation.
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Walker – CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed (Part No.83259)

CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed

from

$641.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Direct-Fit Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit.

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.
  • 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 or welding
  • 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
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and stainless-steel body with aluminized pipe and heat shields for durability
  • BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49325)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$440.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49325. 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 2002-2005 Nissan Altima and interchanges with OE parts 208A2-8J110 and 208A2-8J12A, 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

Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.84407)

CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)

from

$285.99
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.
  • 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
See More

Walker – Exhaust Pipe Flange Gasket (Part No.31311)

Exhaust Pipe Flange Gasket

from

$3.29
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Ishino Stone – Exh. Man. to Pipe Ga (Part No.H4003502896ISH)

Exh. Man. to Pipe Ga

from

$11.33
Exh. Man. to Pipe Ga

Ishino Stone – Cat. Converter Gaske (Part No.H4001109962ISH)

Cat. Converter Gaske

from

$10.15
Cat. Converter Gaske

Walker – Exhaust Pipe Flange Gasket (Part No.31355)

Exhaust Pipe Flange Gasket

from

$3.99
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

HJS – Exh. Man. to Pipe Ga (Part No.H4003117121HJS)

Exh. Man. to Pipe Ga

from

$9.51
Exh. Man. to Pipe Ga

Ishino Stone – Cat. Converter Gaske (Part No.H4001419196ISH)

Cat. Converter Gaske

from

$15.15
Cat. Converter Gaske

Walker – Exhaust Pipe Flange Gasket (Part No.31397)

Exhaust Pipe Flange Gasket

from

$6.79
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Ishino Stone – Exh. Man. to Pipe Ga (Part No.H40031099479ISH)

Exh. Man. to Pipe Ga

from

$21.54
Exh. Man. to Pipe Ga

Mahle – Exhaust Gasket (Part No.H4000176633MAH)

Exhaust Gasket

from

$12.81
Exhaust Gasket

Nippon Reinz – Catalytic Converter Gasket (Part No.H4001176533NRZ)

Catalytic Converter Gasket

from

$11.25
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
See More

Walker – Exhaust Pipe Flange Gasket (Part No.31374)

Exhaust Pipe Flange Gasket

from

$5.29
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Catalytic Converters Brands You Can Trust For Your Nissan Altima

8 trusted brands of Catalytic Converters line our shelves, ready to help keep your Nissan Altima running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Popular Dorman Catalytic Converters

Dorman products for the Nissan Altima span several categories. Some of the highest-rated Dorman Catalytic Converters that will fit your Nissan Altima are:

Most Purchased Nissan Altima 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 Nissan Altima. Here are the Walker Catalytic Converters Advanced Auto customers buy the most:
Ultra EPA Direct Fit Catalytic Converter
from $264.99
(12)
Ultra EPA Direct Fit Catalytic Converter
Catalytic Converters

FAQs for Nissan Altima Catalytic Converters

What are the most purchased Catalytic Converters for the Nissan Altima?

Out of 105 Catalytic Converters for the Nissan Altima, the most popular in our inventory are:
Exhaust Pipe Flange Gasket
from $3.99
(5)
Exhaust Pipe Flange Gasket
Catalytic Converter Gaskets
Exhaust Pipe Flange Gasket
from $6.79
(6)
Exhaust Pipe Flange Gasket
Catalytic Converter Gaskets

What are the top-rated Nissan Altima Catalytic Converters?

Top-rated Catalytic Converters for your Nissan Altima based on customer reviews/ratings are:
Ultra EPA Universal Catalytic Converter 2" Inlet (ID) 2" Outlet (ID)
from $172.99
(11)
Ultra EPA Universal Catalytic Converter 2" Inlet (ID) 2" Outlet (ID)
“Used this on my 98 silverado and I suggest for any one to get mega clamp exhaust it work the best no exhaust leak, no engine light passed emission te”
HM Grade Federal / EPA Compliant Universal Catalytic Converter
from $178.99
(5)
HM Grade Federal / EPA Compliant Universal Catalytic Converter
“needs to be cut to fit my application but worked great”