Catalytic Converter Pricing
Analysis of 751,183 eBay listings for catalytic converters to determine current market value.
What you'll usually pay
💡 Used ones cost about 33% more here.
👉 In short easy summary
The best value is found in Genuine OEM parts, which sit 9% below the market median. Conversely, CARB certified units command a significant premium at 68% above the median.
💚 Best value for your money
Price by brand
Why? Prices vary by manufacturer, with OEM at 185.73 and Nissan at 125.5.
Price by brand type
Why? Aftermarket Branded units (130.01) cost more than Genuine OEM (98.47).
Price by labels & certifications
Why? Compliance standards drive cost, with CARB at 182.99 and OBD I at 78.99.
🛒 Some on sale right now
Common questions
What is the median price for a CARB certified catalytic converter?
The median price for CARB certified units is 182.99.
Are used catalytic converters more expensive than new ones?
Yes, the used median is 144.99 compared to the new median of 108.64.
Which brand has the highest median price among the listed brands?
OEM has the highest median price at 185.73.
How we got these numbers
Worked out from 200 live eBay listings (price range $43–$219, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 12, 2026.