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2004 Mazda 6S Catalytic Converter

20 Best 2004 Mazda 6S Catalytic Converter of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best 2004 Mazda 6S Catalytic Converter of 2023. Check our ranking below.

2,883 Reviews Scanned

Rank No. #1
FortunaFlow Catalytic Converter Compatible with Mazda 6 2003-2005 3.0L(EPA Compliant+standard)
  • [Vehicle Fitment]Catalytic converter compatible with Mazda 6 2003-2005 3.0L.
  • [Solve Your Troubles] 1.It can eliminate the P0420,P0430 warning lights and effectively stabilize and reliably pass the OBD-II tests. 2.If you're not sure whether our products match your car or the Part fails please feel free to contact us.
  • [Attention Before Purchase] 1.Not for sale in California,New York,Colorado and Maine.Cannot be shipped to CA, NY,COand ME addresses. 2.Please read the product description carefully to ensure that our product is compatible with your car.
  • [Direct Fit Design] The flange is precisely-built to meet standard OE specifications without extra modification, and all installation holes are firmly and exactly fixed with attached gaskets and hardware.
  • [High Structural Strength] Our catalytic converter is designed of high quality stainless steel durable.High precision CNC mig strong is welded structure,can withstand high temperature and pressure, extend service life without fear of bending or melting.
Rank No. #2
JT Exhaust Catalytic Converter Compatible with Mazda 3 2004-2009 2.0L (EPA Compliant)
  • 【Attention】This item is designed to meet EPA OBDII emission requirements.
  • 【Fitment】Fit for Mazda 3 2004-2009 2.0L
  • 【More Precious Metal Catalyst added】Add a Extra Precious Metal Catalyst that exceeds the requirements for EPA standards, which is the most important to improve catalyst efficiency and pass the Emission Test.
  • 【Longer Service Life】We use the Best Quality Stainless Steel shell, OEM grade Honeycomb Ceramic Substrate, and More Precious metal Close to the Original Performance.
  • 【Direct-fit Design】This item is Easy to install. We use 3D Scan Technology to Ensure the Installation Suitability. Direct-fit Design to fit your car to Ensure the part will fit like the Original equipment.
Rank No. #3
Royal Exhaust Catalytic Converter Compatible with 2003, 2004, 2005 Mazda 6 3.0L Rear Side - Direct Fit Replacement Catalytic Convertor – Made in Canada
  • ENHANCED PERFORMANCE: RESTORES YOUR VEHICLE'S EXHAUST SYSTEM TO OPTIMAL PERFORMANCE, IMPROVING FUEL EFFICIENCY AND ENGINE POWER. WE DO NOT SHIP TO CALIFORNIA & NEW YORK. IT DID NOT PASS EMISSIONS TESTS IN THOSE STATES.
  • VEHICLE COMPATIBILITY: UTILIZE TOP LEFT COMPATIBILITY FEATURE TO ENSURE IF THIS PART SUITS FOR YOUR VEHICLE. ENGINEERED SPECIFICALLY FOR 2003, 2004, 2005 MAZDA 6 3.0L V6 2968cc/181cid ENGINE REAR SIDE, ENSURING SEAMLESS COMPATIBILITY AND EASY INSTALLATION.
  • PO420/PO430 CODE/CHECK ENGINE: REPLACING THE CONVERTER DOES NOT GUARANTEE THAT THE FAULT CODE OR ENGINE LIGHT WILL NOT RETURN. IF THERE ARE UNRESOLVED ENGINE PERFORMANCE ISSUES, THE PO420/PO430 FAULT CODE MAY REOCCUR.
  • UNDER FEDERAL LAW: ONLY CERTIFIED INSTALLERS MAY REPLACE CATALYTIC CONVERTERS WITH "CONVERTER REPLACEMENT PIPES". VIOLATORS FACE HEAVY FINES UNDER SECTION 203(A)(3) AND (B) OF THE 1990 CLEAN AIR ACT.
  • AFTERMARKET CATALYTIC CONVERTERS: THESE PRODUCTS ARE AFTERMARKET AND MAY DIFFER FROM ORIGINAL OEM PARTS IN APPEARANCE. CONSTRUCTED WITH HIGH-QUALITY MATERIALS TO WITHSTAND THE RIGORS OF DAILY DRIVING AND ALL WEATHER CONDITIONS.
Rank No. #4
JT Exhaust Catalytic Converter Compatible with Ford Escape 2001-2007,Mercury Mariner 2005 2006 2007, Mazda Tribute 2001-2006 V6 3.0L
  • 【Attention】This item is designed to meet EPA OBDII emission requirements .It doesn’t ship to California, Colorado, New York and Maine
  • 【Fitment】Fit for 2001-2007 ford escape/2005-2007 Mercury Mariner/ 2001-2006 Mazda Tribute V6 3.0L
  • 【More Precious Metal Catalyst added】Add a Extra Precious Metal Catalyst that exceeds the requirements for EPA standards, which is the most important to improve catalyst efficiency and pass the Emission Test.
  • 【Longer Service Life】We use the Best Quality Stainless Steel shell, OEM grade Honeycomb Ceramic Substrate, and More Precious metal Close to the Original Performance.
  • 【Direct-fit Design】This item is Easy to install. We use 3D Scan Technology to Ensure the Installation Suitability. Direct-fit Design to fit your car to Ensure the part will fit like the Original equipment.
Rank No. #5
Royal Exhaust Catalytic Converter Compatible with Mazda 6 2003 2004 2005 3.0L Right Side Manifold-Direct Fit Replacement Catalytic Convertor – Made in Canada
  • ENHANCED PERFORMANCE: RESTORES YOUR VEHICLE'S EXHAUST SYSTEM TO OPTIMAL PERFORMANCE, IMPROVING FUEL EFFICIENCY AND ENGINE POWER. WE DO NOT SHIP TO CALIFORNIA & NEW YORK. IT DID NOT PASS EMISSIONS TESTS IN THOSE STATES.
  • VEHICLE COMPATIBILITY: UTILIZE TOP LEFT COMPATIBILITY FEATURE TO ENSURE IF THIS PART SUITS FOR YOUR VEHICLE. ENGINEERED SPECIFICALLY FOR MAZDA 6 2003 2004 2005 3.0L RIGHT SIDE MANIFOLD, ENSURING SEAMLESS COMPATIBILITY AND EASY INSTALLATION.
  • PO420/PO430 CODE/CHECK ENGINE: REPLACING THE CONVERTER DOES NOT GUARANTEE THAT THE FAULT CODE OR ENGINE LIGHT WILL NOT RETURN. IF THERE ARE UNRESOLVED ENGINE PERFORMANCE ISSUES, THE PO420/PO430 FAULT CODE MAY REOCCUR.
  • UNDER FEDERAL LAW: ONLY CERTIFIED INSTALLERS MAY REPLACE CATALYTIC CONVERTERS WITH "CONVERTER REPLACEMENT PIPES". VIOLATORS FACE HEAVY FINES UNDER SECTION 203(A)(3) AND (B) OF THE 1990 CLEAN AIR ACT.
  • AFTERMARKET CATALYTIC CONVERTERS: THESE PRODUCTS ARE AFTERMARKET AND MAY DIFFER FROM ORIGINAL OEM PARTS IN APPEARANCE. CONSTRUCTED WITH HIGH-QUALITY MATERIALS TO WITHSTAND THE RIGORS OF DAILY DRIVING AND ALL WEATHER CONDITIONS.

Last update on 2025-07-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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