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The Best Automotive Replacement Catalytic Converters & Parts

Looking for the best Automotive Replacement Catalytic Converters & Parts?

Discover now our comparison of the best Automotive Replacement Catalytic Converters & Parts. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Catalytic Converters & Parts are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Catalytic Converters & Parts in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Chevy Silverado GMC Sierra 1500 1999 2000 2001 2002 2003 2004 2005 2006 Avalanche Suburban Tahoe Yukon XL Cadillac Escalade 4.3L 4.8L 5.3L
  • 【Standards】: Our catalytic converters have strict production procedures and comply with EPA standards and Obd2 standards. However, due to the increased emission standards in California, Colorado, New York, and Maine, no sales were carried out in these states (friends in these states, please rest assured, we are developing)
  • 【Direct Replacement】: If your engine throws P0420 code, or your cat is stolen, then it is recommended to buy this kit to solve the problem. This catalytic converter can repair faults and noise, car exhaust can be purified. It meets or exceeds the oem standard, and has been tested in the factory, perfectly matched with the original car, and can be installed directly.
  • 【High Quality】: The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long service life. The double-layer high temperature resistant ceramic carrier greatly increases the flow rate and surface area, thereby improving power and fuel economy. Replace with a new catalytic converter to provide you with excellent clean air performance, restore the quietness of the vehicle, and restore a good driving experience for you
  • 【Fits For】: ☆For Chevy 1999-2006 Chevy Silverado 1500 4.3L 4.8L 5.3L | 2007 Chevy Silverado 1500 Classic 4.8L 5.3L | 1999-2000 Chevy Silverado 2500 5.3L | 2002-2006 Chevy Avalanche 1500 5.3L | 2000-2006 Chevy Suburban 1500 5.3L | 2000-2006 Chevy Tahoe 4.8L 5.3L ☆For GMC 1999-2006 GMC Sierra 1500 4.3L 4.8L 5.3L | 2007 GMC Sierra 1500 Classic 4.3L 4.8L 5.3L | 1999-2000 GMC Sierra 2500 5.3L | 2000-2006 GMC Yukon 4.8L 5.3L | 2000-2006 GMC Yukon XL 1500 5.3L | ☆For Cadillac 2002-2006 Cadillac Escalade 5.3L
  • 【Buy With Confidence】:Our catalytic converter has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save hundreds of dollars off of dealer prices by purchasing this part and taking advantage of our warranty.Price concessions and guaranteed, no need to worry about quality problems
No. 2
KAC Catalytic Converter Fit for Corolla 2003-2008, Vibe 2003-2008, Matrix 2003-2008 Catalytic Converter Kit Direct-Fit Automotive Replacement OEM 53717, 40407, 096-1662,174100D151(EPA Compliant)
  • [Compatible vehicle] : Catalytic Converter Fit for Corolla 2003-2008, Vibe 2003-2008, Matrix 2003-2008.
  • [Reference Number] - Catalytic Converter OEM Part Number: 53717, 53451, 40407, 096-1662, 4805, 174100D151, 642165, 642985, 17410-0D301, 099-1662, 49461, 93200, 52458, 52440, 201-1106.This Catalytic Converter is constructed to meet or even exceed OEM quality.
  • [Attention] - Not Ship to California, New York, Maine and Colorado! Not legal for sale or use in California, New York, Maine and Colorado due to emissions regulations!
  • [Efficient Purification] : Stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long service life. The double-layer high temperature resistant ceramic carrier greatly increases the flow rate and surface area, thereby improving power and fuel economy. Replace with a new catalytic converter to provide you with excellent clean air performance, restore the quietness of the vehicle, and restore a good driving experience for you.
  • [Service]: Whenever if you have any questions, please feel free to contact us. We will respond to your message within 24 hours.
No. 3
AUTOSITY High Flow Catalytic Converter for 1996-2000 Cherokee 2.5L/ 4.0L, 1996-1998 Grand Cherokee 4.0L/5.2L, 1998 Grand Cherokee 5.9L, Automotive Replacement Catalytic Converters (EPA Compliant)
  • [ FITMENT ] : Catalytic Converter Fit for 1996-2000 Cherokee 2.5L/ 4.0L, 1996-1998 Grand Cherokee 4.0L/5.2L, 1998 Grand Cherokee 5.9L.OE Part Number:15820, 10150, 079-3054, 23226, 23221, 23544, 9327, 49096, 52101393, 52101392, 308-1201, 645327, 10153, 645422, 52019480AF.
  • [ COMPLIANCE WITH OBD III ] : The direct-fit catalytic converters are compliant with OBD III Standards but not with CARB. Thus, they can be used in most states except California& New York, not legal for use on vehicles required to meet CA emission standards.
  • [ PROTECTING THE EARTH ] : The internal structure of the high flow catalytic converters features honeycomb. Its internal ceramic substrates contain high-load precious metal catalysts, including Pt, Rh, and Pd, to enhance purification efficiency and intensity. They can effectively purify vehicles the waste exhausts by converting pernicious gases, such as CO, HC, NOx into CO₂, H₂O, N₂, to protect the beautiful earth we are living in better.
  • [ HIGH QUALITY ] : The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long service life. The double-layer high temperature resistant ceramic carrier greatly increases the flow rate and surface area, thereby improving power and fuel economy. Replace with a new catalytic converter to provide you with excellent clean air performance, restore the quietness of the vehicle, and restore a good driving experience for you.
  • [ EASY INSTALLATION] : Plug and play design, no modification or drilling, quick installation. Shock, abrasion and fatigue tested to help ensure quality and durability.
No. 4
A-Premium Catalytic Converter Kit Direct-Fit Compatible with Chevy & GMC - Silverado 1500 14-18, Suburban 15-20, Tahoe 15-20, Sierra 1500 14-18, Yukon 15-20, Yukon XL 15-20 - 4.3L 5.3L - EPA Compliant
  • [Vehicle Fitment]: Compatible with Chevrolet Silverado 1500 2014-2018 V6 4.3L, Silverado 1500 2014-2018 V8 5.3L, Suburban 2015-2020 V8 5.3L, Tahoe 2015-2020 V8 5.3L; Compatible with GMC Sierra 1500 2014-2018 V6 4.3L, Sierra 1500 2014-2018 V8 5.3L, Yukon 2015-2020 V8 5.3L, Yukon XL 2015-2020 V8 5.3L
  • [Reference Number]: 645159, 50497, 50563
  • [Specification]: ① E.P.A. Compliant: Yes; ② Vehicle's Emissions Specifications: Federal Emissions; ③ Restricted States: CA, NY, CO, ME; ④ Body Material: Stainless Steel; ⑤ Inlet Type A: 3 Bolt Loose Flange, Inlet Type B: 3 Bolt Loose Flange; ⑥ Inlet Quantity: 2; ⑦ Outlet Type: Norma Ball; ⑧ Outlet Quantity: 1; ⑨ Clamp & Bolts Included: Yes
  • [E.P.A Compliant]: EPA-compliant catalytic converters cannot be sold or installed in California and Colorado and, under certain circumstances, in Maine and New York. Check your vehicle's Emission Control Information Label and your state's aftermarket converter regulations to select the proper catalytic converter.
  • [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Catalytic Converter. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.
No. 5
FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Chevy Traverse 2009 2010 2011 2012 2013 2014 2015 2016 2017 GMC Acadia 2007-2017 Buick Enclave 2008-2017 Saturn Outlook 2007-2010 3.6L
  • 【Standards】: Our catalytic converters have strict production procedures and comply with Obd3 standards. However, due to the increased standards in California, Colorado, New York, and Maine, no sales were carried out in these states
  • 【Direct Replacement】: If your engine throws P0420 code, or your cat is stolen, then it is recommended to buy this kit to solve the problem. This catalytic converter can repair faults and noise.It meets or exceeds the oem standard, and has been tested in the factory, perfectly matched with the original car, and can be installed directly.
  • 【High Quality】: The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long service life. The double-layer high temperature resistant ceramic carrier greatly increases the flow rate and surface area, thereby improving power and fuel economy. Replace with a new catalytic converter to provide you with excellent clean performance, restore the quietness of the vehicle, and restore a good driving experience for you
  • 【Fits For】: Chevy Traverse 2009-2017 3.6L | GMC Acadia 2007-2017 3.6L | Buick Enclave 2008-2017 3.6L | Saturn Outlook 2007 -2010 3.6L
  • 【Buy With Confidence】:Our catalytic converter has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save hundreds of dollars off of dealer prices by purchasing this part and taking advantage of our warranty.Price concessions and guaranteed, no need to worry about quality problems
No. 6
FOMIUZY 2.5 Inch Inlet/Outlet Universal High Flow Front Catalytic Converter Direct-Fit with O2 Port (EPA Compliant)
  • 【Direct Replacement】: If your engine throws P0420 code, or your cat is stolen, then it is recommended to buy this kit to solve the problem. This catalytic converter can repair faults and noise, car exhaust can be purified. It meets or exceeds the oem standard, and has been tested in the factory, perfectly matched with the original car, and can be installed directly.
  • 【High Quality】: The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long service life. The double-layer high temperature resistant ceramic carrier greatly increases the flow rate and surface area, thereby improving power and fuel economy. Replace with a new catalytic converter to provide you with excellent clean air performance, restore the quietness of the vehicle, and restore a good driving experience for you
  • 【Specification】: 2.5" Inlet , 2.5" Outlet , 11" Overall Length.Please check whether your vehicle exhaust has the appropriate size before purchasing to make sure that the standard universal exhaust is suitable for your car | For 3.L engines or larger displacement engines, it is recommended that one pipe be purchased with two catalytic converter welds to avoid triggering the P0420 fault code
  • 【Standards】: Our catalytic converters have strict production procedures and comply with EPA standards and Obd3 standards. However, due to the increased emission standards in California, Colorado, New York, and Maine, no sales were carried out in these states (friends in these states, please rest assured, we are developing)
  • 【Buy With Confidence】:Our catalytic converter tube pipe assembly has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save hundreds of dollars off of dealer prices by purchasing this part and taking advantage of our warranty.Price concessions and guaranteed, no need to worry about quality problems
SaleNo. 7
A-Premium Catalytic Converter Kit Direct-Fit Compatible with Chevrolet Colorado 2004-2012 & GMC Canyon 2004-2012 & Hummer H3 2006-2007 & Isuzu i280 2006, i350, 2.8L 2.9L 3.5L 3.7L, E.P.A. Compliant
  • [Vehicle Fitment]: Compatible with Chevrolet Colorado 2004-2006 L4 2.8L, Colorado 2007-2012 L4 2.9L (RWD), Colorado 2004-2006 L5 3.5L; Compatible with GMC Canyon 2004-2006 L4 2.8L, Canyon 2007-2012 L4 2.9L, Canyon 2004-2006 L5 3.5L; Compatible with Hummer H3 2006 L5 3.5L, H3 2007 L5 3.7L; Compatible with Isuzu i280 2006 L4 2.8L, i350 2006 L5 3.5L --- It is Direct Fit Converter
  • [Reference Number]: 645852, 50468
  • [Specification]: ① E.P.A. Compliant: Yes; ② Vehicle's Emissions Specifications: Federal Emissions; ③ Restricted States: CA, NY, CO, ME; ④ Position: Rear Side; ⑤ Body Material: Stainless Steel; ⑥ Inlet Type: 3 Bolt Loose Flange with Spherical Flare; ⑦ Inlet Quantity: 1; ⑧ Outlet Type: 2 Bolt welded flange; ⑨ Outlet Quantity: 1; ⑩ Mounting Hardware Included: Yes
  • [E.P.A Compliant]: EPA-compliant catalytic converters cannot be sold or installed in California and Colorado and, under certain circumstances, in Maine and New York. Check your vehicle's Emission Control Information Label and your state's aftermarket converter regulations to select the proper catalytic converter.
  • [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted catalytic converters. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.
No. 8
Walker Ultra EPA 53717 Direct Fit Catalytic Converter 2.125" Outlet (OD) for Toyota Corolla
  • COMPATIBILITY – Fits 2003-2004 Pontiac Vibe; 2005-2006 Pontiac Vibe; 2007-2008 Pontiac Vibe; 2003-2004 Toyota Corolla; 2005-2005 Toyota Corolla; 2006-2006 Toyota Corolla; 2007-2008 Toyota Corolla; 2003-2004 Toyota Matrix; 2005-2005 Toyota Matrix; 2006-200
  • GET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. 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
  • ASSURED PERFORMANCE -- 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
No. 9
KAC Stainless Steel Catalytic Converter for 2009-2012 A4 Quattro 2.0L, Catalytic Converter Kit Direct-Fit Automotive Replacement Catalytic Converters 16595 - EPA Compliant
  • [ FITMENT ] : KAC Catalytic Converter. Catalytic Converter Fit for 2009-2013 A4 Quattro/A4 2.0L Sedan, 2011-2014 Q5 2.0L, 2010-2011 A5 Quattro/A5 2.0L, 2009-2012 A4 Quattro 2.0L Wagon.OEM Part Number:16595, 644025, 40684.
  • [ COMPLIANCE WITH OBD III ] : KAC Catalytic Converter. The direct-fit catalytic converters are compliant with OBD III Standards but not with CARB. Thus, they can be used in most states except California& New York, not legal for use on vehicles required to meet CA emission standards.
  • [ PROTECTING THE EARTH ] : KAC Catalytic Converter. The internal structure of the high flow catalytic converters features honeycomb. Its internal ceramic substrates contain high-load precious metal catalysts, including Pt, Rh, and Pd, to enhance purification efficiency and intensity. They can effectively purify vehicles the waste exhausts by converting pernicious gases, such as CO, HC, NOx into CO₂, H₂O, N₂, to protect the beautiful earth we are living in better.
  • [ EASY INSTALLATION] : Plug and play design, no modification or drilling, quick installation. Shock, abrasion and fatigue tested to help ensure quality and durability.
  • [ EASY INSTALLATION] : Plug and play design, no modification or drilling, quick installation. Shock, abrasion and fatigue tested to help ensure quality and durability.
SaleNo. 10
AUTOSITY Front Catalytic Converter for 2008 2009 2010 2011 2012 Accord 2.4L, Catalytic Converter Kit Direct-Fit Automotive Replacement Catalytic Converters 16590, 40870(EPA Compliant)
  • [ FITMENT ] : Catalytic Converter Fit for 2008 2009 2010 2011 2012 Accord 2.4L.OEM Part Number:16590, 40870, 641499, 674968, 641281, 18190R41L00, 18190-R41-L00, 18190R41L01, 18190-R41-L01, 18190-R40-A00, 51441, 202-1301, 096-1127, 1174, 18190R40A00.
  • [ COMPLIANCE WITH OBD III ] : The direct-fit catalytic converters are compliant with OBD III Standards but not with CARB. Thus, they can be used in most states except California& New York, not legal for use on vehicles required to meet CA emission standards.
  • [ PROTECTING THE EARTH ] : The internal structure of the high flow catalytic converters features honeycomb. Its internal ceramic substrates contain high-load precious metal catalysts, including Pt, Rh, and Pd, to enhance purification efficiency and intensity. They can effectively purify vehicles the waste exhausts by converting pernicious gases, such as CO, HC, NOx into CO₂, H₂O, N₂, to protect the beautiful earth we are living in better.
  • [ HIGH QUALITY ] : The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long service life. The double-layer high temperature resistant ceramic carrier greatly increases the flow rate and surface area, thereby improving power and fuel economy. Replace with a new catalytic converter to provide you with excellent clean air performance, restore the quietness of the vehicle, and restore a good driving experience for you.
  • [ EASY INSTALLATION] : Plug and play design, no modification or drilling, quick installation. Shock, abrasion and fatigue tested to help ensure quality and durability.

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Last update on 2025-06-05 / Affiliate links / Images from Amazon Product Advertising API