Catalytic Converter Replacement Cost (Why It’s High)
Educational explainer. U.S.-focused; prices vary by state/region and by vehicle.
Catalytic converter quotes can be high because the parts contain valuable materials and emissions rules may require specific components. Theft and supply issues have also pushed prices up in many areas.
Important: Emissions rules can vary by state—replacement requirements may not be the same everywhere.
Why the part is expensive
Converters contain precious metals and are tightly regulated for emissions compliance.
What affects the quote
- OEM vs aftermarket eligibility
- State emissions requirements
- Labor access and rust
How to reduce surprises
Ask whether the quote includes sensors, gaskets, and required programming or emissions checks.
FAQ
Can I use a cheap aftermarket converter?
Sometimes, but emissions rules vary by state. Verify legality and fitment.
Does replacing a converter fix the check engine light?
Only if the converter is the real root cause; diagnosis matters.