Repair Cost Guide

Catalytic converter replacement cost
for a Honda Civic

The catalytic converter replacement on a Honda Civic involves removing the old converter and installing a new one, which can be a costly procedure due to the high price of the converter itself and the labour involved. The cost is typically driven by the type of converter needed, the labour rates of the mechanic or shop, and the location where the repair is being done. Additionally, if other components like the oxygen sensor or exhaust system are damaged, it can increase the overall cost.

$550 – $1050
Typical fair price range · USD

Cost breakdown

Parts: ~$400 / Labour: ~$200

What affects the price

Type of catalytic converter used (universal vs. OEM)
Labour rates of the mechanic or repair shop
Additional repairs needed to the exhaust system

Can you do it yourself?

Possible with skill — requires welding and exhaust system knowledge, but can be done with proper tools and experience

Tips before you pay

Use a genuine Honda catalytic converter for optimal performance and longevity
Consider replacing the oxygen sensor at the same time if it's old or faulty
Get quotes from multiple repair shops to compare prices and find the best deal

Got an actual quote for this repair? Check if it's fair in seconds.

Check your quote free

More cost guides

Brake pads replacement — Honda Civic Alternator replacement — Honda Civic Timing belt replacement — Honda Civic

Estimate based on typical U.S. market rates as of July 2026. Actual prices vary by region, shop, and parts quality — always compare against a real quote using our Scam Checker.