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Catalytic Converter

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Image Title Brand Part # Position Availability Actions Product
Dorman 673-147 Catalytic Converter with Integrated Exhaust Manifold
Catalytic Converter with Integrated Exhaust Manifold
 673-147 - $1,642.79 In Stock
Dorman 673-147 Catalytic Converter with Integrated Exhaust Manifold Catalytic Converter with Integrated Exhaust Manifold 673-147 $1,642.79
Dorman 673-106 Catalytic Converter with Integrated Exhaust Manifold - Rear
Catalytic Converter with Integrated Exhaust Manifold
 673-106 - $501.54 In Stock
Dorman 673-106 Catalytic Converter with Integrated Exhaust Manifold - Rear Catalytic Converter with Integrated Exhaust Manifold 673-106 $501.54
Dorman 673-0761 Catalytic Converter
Catalytic Converter
 673-0761 - $1,222.86 In Stock
Dorman 673-0761 Catalytic Converter Catalytic Converter 673-0761 $1,222.86
Dorman 673-069 Catalytic Converter with Integrated Exhaust Manifold - Right
Catalytic Converter with Integrated Exhaust Manifold
 673-069 - $1,142.60 In Stock
Dorman 673-069 Catalytic Converter with Integrated Exhaust Manifold - Right Catalytic Converter with Integrated Exhaust Manifold 673-069 $1,142.60
Dorman 673-028 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust Manifold
 673-028 - $1,566.01 In Stock
Dorman 673-028 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold 673-028 $1,566.01
Dorman 673-018 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust Manifold
 673-018 - $387.29 In Stock
Dorman 673-018 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold 673-018 $387.29
Dorman 672-999 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust Manifold
 672-999 - $1,161.94 In Stock
Dorman 672-999 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold 672-999 $1,161.94
Dorman 672-853 Catalytic Converter with Integrated Exhaust Manifold - Left
Catalytic Converter with Integrated Exhaust Manifold
 672-853 - $1,248.32 In Stock
Dorman 672-853 Catalytic Converter with Integrated Exhaust Manifold - Left Catalytic Converter with Integrated Exhaust Manifold 672-853 $1,248.32
Dorman 672-843 Catalytic Converter with Integrated Exhaust Manifold - Right
Catalytic Converter with Integrated Exhaust Manifold
 672-843 - $1,119.89 In Stock
Dorman 672-843 Catalytic Converter with Integrated Exhaust Manifold - Right Catalytic Converter with Integrated Exhaust Manifold 672-843 $1,119.89
Dorman 672-630 Catalytic Converter with Integrated Exhaust Manifold - Rear
Catalytic Converter with Integrated Exhaust Manifold
 672-630 - $1,040.30 In Stock
Dorman 672-630 Catalytic Converter with Integrated Exhaust Manifold - Rear Catalytic Converter with Integrated Exhaust Manifold 672-630 $1,040.30
Dorman 672-603 Catalytic Converter with Integrated Exhaust Manifold
Catalytic Converter with Integrated Exhaust Manifold
 672-603 - $1,257.39 In Stock
Dorman 672-603 Catalytic Converter with Integrated Exhaust Manifold Catalytic Converter with Integrated Exhaust Manifold 672-603 $1,257.39
Dorman 672-1461 Catalytic Converter with Integrated Exhaust Manifold - Rear
Catalytic Converter with Integrated Exhaust Manifold
 672-1461 - $1,166.78 In Stock
Dorman 672-1461 Catalytic Converter with Integrated Exhaust Manifold - Rear Catalytic Converter with Integrated Exhaust Manifold 672-1461 $1,166.78
Dorman 672-1451 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust Manifold
 672-1451 - $1,358.50 In Stock
Dorman 672-1451 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold 672-1451 $1,358.50
Dorman 672-140 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust Manifold
 672-140 - $825.13 In Stock
Dorman 672-140 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold 672-140 $825.13
Dorman 672-1211 Catalytic Converter with Integrated Exhaust Manifold - Rear
Catalytic Converter with Integrated Exhaust Manifold
 672-1211 - $1,470.26 In Stock
Dorman 672-1211 Catalytic Converter with Integrated Exhaust Manifold - Rear Catalytic Converter with Integrated Exhaust Manifold 672-1211 $1,470.26
AP Exhaust 776322 Catalytic Converter
Catalytic ConverterHCRXT02.45P0
 776322 - $1,128.66 In Stock
AP Exhaust 776322 Catalytic Converter Catalytic Converter HCRXT02.45P0776322 $1,128.66
KHZV 771097 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust Manifold771 Series; Direct Fit - CARB
 771097 - $1,096.34 In Stock
KHZV 771097 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold 771 Series; Direct Fit - CARB771097 $1,096.34
AP Exhaust 776002 Catalytic Converter - Front Right
Catalytic ConverterHCRXJ03.65PA
 776002 - $1,282.73 In Stock
AP Exhaust 776002 Catalytic Converter - Front Right Catalytic Converter HCRXJ03.65PA776002 $1,282.73
AP Exhaust 98237 Catalytic Converter - Left or Rear
Catalytic Converter
 98237 - $350.10 In Stock
AP Exhaust 98237 Catalytic Converter - Left or Rear Catalytic Converter 98237 $350.10
OP Converters OPCT1037 Catalytic Converter - Left
Catalytic Converter
 OPCT1037 - $395.82 In Stock
OP Converters OPCT1037 Catalytic Converter - Left Catalytic Converter OPCT1037 $395.82
MagnaFlow 5531028 Catalytic Converter with Integrated Exhaust Manifold
Catalytic Converter with Integrated Exhaust ManifoldExhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
 5531028 - $1,084.10 In Stock
MagnaFlow 5531028 Catalytic Converter with Integrated Exhaust Manifold Catalytic Converter with Integrated Exhaust Manifold Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS5531028 $1,084.10
AP Exhaust 776350 Catalytic Converter - Front
Catalytic ConverterHFMXT03.75HG
 776350 - $1,696.63 In Stock
AP Exhaust 776350 Catalytic Converter - Front Catalytic Converter HFMXT03.75HG776350 $1,696.63
OP Converters OPCN3004 Catalytic Converter - Rear
Catalytic Converter
 OPCN3004 - $239.99 In Stock
OP Converters OPCN3004 Catalytic Converter - Rear Catalytic Converter OPCN3004 $239.99
AP Exhaust 770543 Catalytic Converter - Left
Catalytic ConverterBGMXV03.6053
 770543 - $1,017.41 In Stock
AP Exhaust 770543 Catalytic Converter - Left Catalytic Converter BGMXV03.6053770543 $1,017.41
AP Exhaust 642702 Catalytic Converter - Left or Right
Catalytic Converter
 642702 - $397.12 In Stock
AP Exhaust 642702 Catalytic Converter - Left or Right Catalytic Converter 642702 $397.12
AP Exhaust 774151 Catalytic Converter - Front Left
Catalytic ConverterENSXT03.5G7A
 774151 - $1,140.92 In Stock
AP Exhaust 774151 Catalytic Converter - Front Left Catalytic Converter ENSXT03.5G7A774151 $1,140.92
OP Converters OPCN3096 Catalytic Converter - Rear
Catalytic Converter
 OPCN3096 - $315.43 In Stock
OP Converters OPCN3096 Catalytic Converter - Rear Catalytic Converter OPCN3096 $315.43
MagnaFlow 339109 Catalytic Converter - Rear
Catalytic Converter3in. Universal California Pre-OBDII Catalytic Converter
 339109 - $440.21 In Stock
MagnaFlow 339109 Catalytic Converter - Rear Catalytic Converter 3in. Universal California Pre-OBDII Catalytic Converter339109 $440.21
MagnaFlow 454002 Catalytic Converter - Front
Catalytic ConverterDirect-Fit CALIFORNIA OBDII CONVERTERS
 454002 - $651.70 In Stock
MagnaFlow 454002 Catalytic Converter - Front Catalytic Converter Direct-Fit CALIFORNIA OBDII CONVERTERS454002 $651.70
AP Exhaust 771104 Catalytic Converter
Catalytic ConverterETYXV01.5BEB
 771104 - $391.42 In Stock
AP Exhaust 771104 Catalytic Converter Catalytic Converter ETYXV01.5BEB771104 $391.42
AP Exhaust 772510 Catalytic Converter - Rear
Catalytic ConverterHNSXT02.0N2A
 772510 - $794.49 In Stock
AP Exhaust 772510 Catalytic Converter - Rear Catalytic Converter HNSXT02.0N2A772510 $794.49
Davico 19257 Catalytic Converter - Center
Catalytic Converter
 19257 - $522.77 In Stock
Davico 19257 Catalytic Converter - Center Catalytic Converter 19257 $522.77
Walker 83195 Catalytic Converter
Catalytic ConverterCalCat
 83195 - $661.63 In Stock
Walker 83195 Catalytic Converter Catalytic Converter CalCat83195 $661.63
MagnaFlow 5421031 Catalytic Converter - Rear
Catalytic ConverterDirect-Fit CALIFORNIA OBDII CONVERTERS
 5421031 - $568.50 In Stock
MagnaFlow 5421031 Catalytic Converter - Rear Catalytic Converter Direct-Fit CALIFORNIA OBDII CONVERTERS5421031 $568.50
AP Exhaust 641461 Catalytic Converter with Integrated Exhaust Manifold - Front or Left
Catalytic Converter with Integrated Exhaust Manifold
 641461 - $538.92 In Stock
AP Exhaust 641461 Catalytic Converter with Integrated Exhaust Manifold - Front or Left Catalytic Converter with Integrated Exhaust Manifold 641461 $538.92
AP Exhaust 644023 Catalytic Converter
Catalytic Converter
 644023 - $655.37 In Stock
AP Exhaust 644023 Catalytic Converter Catalytic Converter 644023 $655.37
Davico 18625 Catalytic Converter and Muffler Assembly - Center
Catalytic Converter and Muffler AssemblyDirect-Fit Catalytic Converter & Muffler
 18625 - $703.32 In Stock
Davico 18625 Catalytic Converter and Muffler Assembly - Center Catalytic Converter and Muffler Assembly Direct-Fit Catalytic Converter & Muffler18625 $703.32
MagnaFlow 452843 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust ManifoldExhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
 452843 - $1,092.15 In Stock
MagnaFlow 452843 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS452843 $1,092.15
MagnaFlow 447281 Catalytic Converter - Right
Catalytic ConverterDirect-Fit CALIFORNIA OBDII CONVERTERS
 447281 - $955.08 In Stock
MagnaFlow 447281 Catalytic Converter - Right Catalytic Converter Direct-Fit CALIFORNIA OBDII CONVERTERS447281 $955.08
Davico 15192 Catalytic Converter - Front
Catalytic ConverterExact-Fit Catalytic Converter
 15192 - $296.33 In Stock
Davico 15192 Catalytic Converter - Front Catalytic Converter Exact-Fit Catalytic Converter15192 $296.33
AP Exhaust 840301 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust ManifoldYHNXV01.6CA3
 840301 - $602.84 In Stock
AP Exhaust 840301 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold YHNXV01.6CA3840301 $602.84
Walker 70409 Catalytic Converter - Right
Catalytic ConverterEPA
 70409 - $508.77 In Stock
Walker 70409 Catalytic Converter - Right Catalytic Converter EPA70409 $508.77
Walker 50606 Catalytic Converter
Catalytic ConverterEPA
 50606 - $1,368.13 In Stock
Walker 50606 Catalytic Converter Catalytic Converter EPA50606 $1,368.13
Davico 17129 Catalytic Converter - Front Left
Catalytic ConverterDirect-Fit Catalytic Converter - Manifold
 17129 - $242.97 In Stock
Davico 17129 Catalytic Converter - Front Left Catalytic Converter Direct-Fit Catalytic Converter - Manifold17129 $242.97
OP Converters OPCE7009 Catalytic Converter - Right
Catalytic Converter
 OPCE7009 - $298.57 In Stock
OP Converters OPCE7009 Catalytic Converter - Right Catalytic Converter OPCE7009 $298.57
AP Exhaust 770042 Catalytic Converter with Integrated Exhaust Manifold - Front
Catalytic Converter with Integrated Exhaust ManifoldFFMXV02.5VEX
 770042 - $1,206.30 In Stock
AP Exhaust 770042 Catalytic Converter with Integrated Exhaust Manifold - Front Catalytic Converter with Integrated Exhaust Manifold FFMXV02.5VEX770042 $1,206.30
MagnaFlow 5461767 Catalytic Converter
Catalytic ConverterDirect-Fit CALIFORNIA OBDII CONVERTERS
 5461767 - $1,025.30 In Stock
MagnaFlow 5461767 Catalytic Converter Catalytic Converter Direct-Fit CALIFORNIA OBDII CONVERTERS5461767 $1,025.30
AP Exhaust 912007 Catalytic Converter
Catalytic Converter6GMXK06.0388
 912007 - $282.27 In Stock
AP Exhaust 912007 Catalytic Converter Catalytic Converter 6GMXK06.0388912007 $282.27
PreviousPage 3 of 50Next

More Information

Catalytic converters reduce harmful exhaust emissions by converting hydrocarbons, carbon monoxide, and nitrogen oxides into less toxic compounds through chemical reactions over a precious-metal substrate. Most last 100,000–150,000 miles under normal conditions, but contamination from oil burn, coolant leaks, or running rich can destroy the substrate prematurely. This collection covers direct-fit catalytic converters, integrated exhaust manifold-catalytic converter assemblies (common on late-model import and domestic engines), diesel particulate filters (DPFs), and diesel oxidation catalysts (DOCs). When buying, verify EPA or CARB compliance for your state — California and several other states require CARB-Executive Order (EO) certified converters, and installing a non-compliant unit will fail smog inspection. Match by engine displacement, position (front/rear, bank 1/bank 2), and connection type (bolt-on vs. weld-in). OEM units are the safest fit; quality aftermarket brands like MagnaFlow, Walker, and Eastern Catalytic offer solid warranties and legal compliance at lower price points.

Signs you need replacement

  • Check Engine light with P0420 or P0430 codes. These codes indicate catalyst efficiency below threshold on bank 1 or bank 2 — the most direct indicator of a failing converter and the most common reason for replacement.
  • Sulfur or rotten egg smell from the exhaust. A converter struggling to process hydrogen sulfide produces a noticeable sulfur odor, especially during deceleration or after extended idling.
  • Rattling noise from under the vehicle. A broken or collapsed internal substrate rattles noticeably at idle or during cold starts — at this point the converter is past the point of chemical function and can also restrict exhaust flow.
  • Significant power loss and poor acceleration. A clogged converter creates backpressure that chokes exhaust flow, causing sluggish throttle response, reduced top-end power, and in severe cases, stalling at idle.
  • Failed emissions or smog test. High HC or CO readings at the tailpipe, or a failed OBD-II readiness monitor, often trace directly to a converter that's no longer processing efficiently even without a stored code.
  • Excessive heat under the vehicle or discolored converter shell. Bluish or glowing heat discoloration on the converter body signals a misfiring cylinder is sending unburned fuel into the converter, accelerating substrate damage.

Frequently asked questions

  • How long does a catalytic converter typically last, and what shortens its lifespan? Most converters are designed to last 100,000–150,000 miles. Engine misfires, oil consumption, coolant intrusion from a head gasket leak, and extended rich-running conditions are the leading causes of early failure — always diagnose and fix the root cause before installing a replacement or the new unit will fail prematurely.
  • Should I buy OEM or aftermarket, and does brand matter for catalytic converters? OEM converters guarantee fit and legal compliance but typically cost 30–60% more than aftermarket equivalents. For most applications, CARB-certified aftermarket units from MagnaFlow, Walker, or Eastern Catalytic perform comparably. Avoid uncertified "universal" converters for street-driven vehicles — they're non-compliant in emissions-tested states and often use lower precious-metal loading that degrades faster.
  • What's the typical cost to replace a catalytic converter, and what else should I replace at the same time? Parts range from $150–$600 for most passenger vehicles; direct-fit units for trucks or European models can run $800–$1,500+. Labor adds $100–$300 depending on location and accessibility. Replace upstream and downstream oxygen sensors if they're original — contaminated sensors can cause the new converter to read inefficient immediately and trigger the same P0420/P0430 codes.