2000 Kia Sephia Catalytic Converters

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Keep Your 2000 Kia Sephia 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 2000 Kia Sephia looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converter Gaskets and 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 Walker. For example, Walker Catalytic Converters start at just $4.49 with an average 4.2 star rating. With over 46 reviews and a solid 4 star average, you can shop with confidence knowing other Kia Sephia owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2000 Kia Sephia Catalytic Converter at Advance Auto Parts is around $325.27, with a range that starts at $4.49 and goes up to $639.99. With 9 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Universal HM Grade Federal / EPA Compliant Catalytic Converter, Universal California Grade CARB Compliant Catalytic Converter, and Universal OEM Grade Federal / EPA Compliant Catalytic Converter start at just $179.99 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 Mufflers and Exhaust Tips. At Advance Auto Parts, we’re here to help you keep your 2000 Kia Sephia in peak condition, inside and out.

Essential 2000 Kia Sephia Catalytic Converters

Walker – Standard EPA Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.15036)

Standard EPA Universal Catalytic Converter - 2" Inlet (ID) 2" Outlet (ID)

from

$83.99
Product Features:
  • EPA COMPLIANT – For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED – Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • 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.
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.441304)

Universal California Grade CARB Compliant Catalytic Converter

from

$503.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441304. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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
  • 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
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Durable 308 stainless steel MIG welds
See More

Walker – CalCat CARB Universal Catalytic Converter, 2" Inlet (ID) 2"Outlet (ID) (Part No.81326)

CalCat CARB Universal Catalytic Converter, 2" Inlet (ID) 2"Outlet (ID)

from

$387.99
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:
  • 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 emissionsáandástructural integrity warranty.áVisit Walkerexhaust.com for details
See More

MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter (Part No.49323)

Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter

from

$524.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49323. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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 to fit the 1998-2001 Kia Sephia 1.8L & 2000-2001 Kia Spectra 1.8L. MagnaFlow 49323 includes (2) Flange Gaskets and interchanges with OE parts 0K2AA-20500, 0K2BW-20500. 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:
  • Simplifies installation with essential gaskets and hardware being included in the box
  • 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
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.408004)

Universal California Grade CARB Compliant Catalytic Converter

from

$298.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 408004. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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:
  • 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
  • Your trusted source for CARB-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 formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
See More

Walker – Ultra EPA Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.93251)

Ultra EPA Universal Catalytic Converter - 2" Inlet (ID) 2" Outlet (ID)

from

$197.99
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 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.
See More

Walker – Standard EPA Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.15026)

Standard EPA Universal Catalytic Converter - 2" Inlet (ID) 2" Outlet (ID)

from

$162.99
Product Features:
  • EPA COMPLIANT – For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED – Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • 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.
See More

MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter (Part No.49438)

Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter

from

$639.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49438. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 49438 includes (2) Flange Gaskets and interchanges with OE parts 0K2AB-20600, 0K2BW-20600, 28950-23940, 28950-23960, 28950-23970. 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:
  • 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
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.448304)

Universal California Grade CARB Compliant Catalytic Converter

from

$718.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 448304. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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
  • Durable 308 stainless steel MIG welds
  • 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
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.3322304)

Universal California Grade CARB Compliant Catalytic Converter

from

$561.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 3322304. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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:
  • Durable 308 stainless steel MIG welds
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
  • Durable 308 stainless steel MIG welds
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
See More

MagnaFlow – Universal HM Grade Federal / EPA Compliant Catalytic Converter (Part No.99204HM)

Universal HM Grade Federal / EPA Compliant Catalytic Converter

from

$179.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99204HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Durable 308 stainless steel MIG welds
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.444104)

Universal California Grade CARB Compliant Catalytic Converter

from

$327.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444104. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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:
  • Durable 308 stainless steel MIG welds
  • Your trusted source for CARB-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
  • Durable 308 stainless steel MIG welds
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.418004)

Universal California Grade CARB Compliant Catalytic Converter

from

$438.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 418004. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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:
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • 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
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.457104)

Universal California Grade CARB Compliant Catalytic Converter

from

$377.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 457104. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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:
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Durable 308 stainless steel MIG welds
  • Your trusted source for CARB-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
  • Compact, lightweight construction enables installation in confined areas, welding is required
See More

Walker – Exhaust Pipe Flange Gasket (Part No.31532)

Exhaust Pipe Flange Gasket

from

$5.19
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

Walker – Exhaust Pipe Flange Gasket (Part No.31595)

Exhaust Pipe Flange Gasket

from

$4.49
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

MAHLE Original – Exhaust Pipe Flange Gasket (Part No.F32156)

Exhaust Pipe Flange Gasket

from

$9.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • Exhaust pipe gaskets from MAHLE Original are manufactured with the best materials to withstand high temperature applications.
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
See More

Walker – Exhaust Pipe Flange Gasket (Part No.31388)

Exhaust Pipe Flange Gasket

from

$5.09
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

Most Popular Catalytic Converter Gasket for 2000 Kia Sephias

Enhance your 2000 Kia Sephia with this popular Catalytic Converter Gasket we have in stock, for $4.49.

Walker – Exhaust Pipe Flange Gasket (Part No.31595)

Exhaust Pipe Flange Gasket

from

$4.49
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

Best-Selling 2000 Kia Sephia Catalytic Converters

Upgrade your Sephia with one of our 8 best-selling Catalytic Converters, earning an average 3.75 stars rating across 21 reviews.

Walker – Ultra EPA Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.93236)

Ultra EPA Universal Catalytic Converter - 2" Inlet (ID) 2" Outlet (ID)

from

$172.99
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 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.
See More

MagnaFlow – Universal HM Grade Federal / EPA Compliant Catalytic Converter (Part No.99204HM)

Universal HM Grade Federal / EPA Compliant Catalytic Converter

from

$179.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99204HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Durable 308 stainless steel MIG welds
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.457104)

Universal California Grade CARB Compliant Catalytic Converter

from

$377.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 457104. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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:
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Durable 308 stainless steel MIG welds
  • Your trusted source for CARB-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
  • Compact, lightweight construction enables installation in confined areas, welding is required
See More

MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.444104)

Universal California Grade CARB Compliant Catalytic Converter

from

$327.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444104. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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:
  • Durable 308 stainless steel MIG welds
  • Your trusted source for CARB-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
  • Durable 308 stainless steel MIG welds
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
See More

MagnaFlow – Universal OEM Grade Federal / EPA Compliant Catalytic Converter (Part No.51204)

Universal OEM Grade Federal / EPA Compliant Catalytic Converter

from

$194.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds 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 Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Durable 308 stainless steel MIG welds
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Compact, lightweight construction enables installation in confined areas, welding is required
See More

MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter (Part No.49438)

Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter

from

$639.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49438. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 49438 includes (2) Flange Gaskets and interchanges with OE parts 0K2AB-20600, 0K2BW-20600, 28950-23940, 28950-23960, 28950-23970. 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:
  • 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
See More

MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter (Part No.49323)

Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter

from

$524.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49323. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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 to fit the 1998-2001 Kia Sephia 1.8L & 2000-2001 Kia Spectra 1.8L. MagnaFlow 49323 includes (2) Flange Gaskets and interchanges with OE parts 0K2AA-20500, 0K2BW-20500. 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:
  • Simplifies installation with essential gaskets and hardware being included in the box
  • 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
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MagnaFlow – Universal California Grade CARB Compliant Catalytic Converter (Part No.441304)

Universal California Grade CARB Compliant Catalytic Converter

from

$503.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441304. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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
  • 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
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Durable 308 stainless steel MIG welds
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Top-Rated Catalytic Converter Brands For Your 2000 Kia Sephia

When it comes to finding the perfect Catalytic Converter for your 2000 Kia Sephia, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Catalytic Converter brands including Walker, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $4.49. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2000 Kia Sephia, providing peace of mind with parts that meet or exceed OEM standards.

Popular Walker 2000 Kia Sephia Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2000 Kia Sephia, Advance Auto Parts has exactly what you need with our selection of Walker Catalytic Converters. We have 2 Walker Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $4.49 and an average cost of $88.74, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 2000 Kia Sephia come highly rated, with over 13 customer reviews and an impressive average rating of 4.2 stars. Choosing a Walker Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Exhaust Pipe Flange Gasket
from $4.49
(2)
Exhaust Pipe Flange Gasket
“Perfect fit and the price was great!”
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”

FAQs for 2000 Kia Sephia Catalytic Converters

What are the best-selling Catalytic Converters for 2000 Kia Sephias?

Out of 9 Catalytic Converters that fit 2000 Kia Sephias, the following parts are the top sellers:

What’s the price range for 2000 Kia Sephia Catalytic Converters?

The prices of Catalytic Converters for the 2000 Kia Sephia range from $4.49 up to $639.99 for the most premium parts.

What is the average price of a Catalytic Converter for a 2000 Kia Sephia?

The average price for Catalytic Converters for the 2000 Kia Sephia is $325.27. 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 Kia Sephia model years?

Yes, we carry Catalytic Converters for 6 model years of Kia Sephias between 1994 and 2001. The following model years are the most popular for Catalytic Converter purchases: 2001, 1999, 1998, 1997, 1996, 1995, and 1994.

What are the cheapest Catalytic Converters for my 2000 Kia Sephia?

What are the top-rated Catalytic Converters that fit the 2000 Kia Sephia?

Based on 46 reviews by customers, our 2000 Kia Sephia Catalytic Converters have an average customer rating of 4 stars. These are the highest-rated categories of Catalytic Converters for the 2000 Kia Sephia and their top-rated products:

What types of Catalytic Converters do you sell for my 2000 Kia Sephia?

As of 3/1/26, these are some of the most in-demand types of Catalytic Converters for a 2000 Kia Sephia:

Can I get help with 2000 Kia Sephia Catalytic Converter orders?

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

What is your return policy for Kia Sephia Catalytic Converters?

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