AutoAssist AIAutoAssist AI Get Free Estimate

Honda Accord Catalytic Converter Replacement Cost

Replace a failed or stolen catalytic converter.

$900 – $2,500
Typical labor: 1 to 3 hours
Get Exact Estimate for My Accord
Parts vs Labor
75% / 25%
Typical share of total cost
Labor Time
1 to 3 hours
At a typical shop
Difficulty
Advanced DIY
3 of 5 for the Honda Accord
Estimate based on Honda Accord parts and labor adjustments versus the national average. Your exact cost depends on year, trim, mileage, and shop. Get a free personalized AI estimate above.

Why Honda Accord Owners See This Pricing

The Accord is one of the most repair-friendly midsize sedans, with strong aftermarket part support.

For reference, the national average for catalytic converter replacement on a typical passenger vehicle is $900 to $2,500. The Honda Accord runs about +0% versus that baseline.

Common Symptoms in the Honda Accord

Loud roaring exhaust (often from theft)
Check engine light with code P0420 or P0430
Failed emissions test
Rotten egg smell from exhaust

What It Is

The catalytic converter cleans up harmful emissions before they leave the tailpipe. It contains precious metals like platinum and palladium, which is why it's expensive and frequently stolen.

Why It Matters

You cannot legally drive without a working cat in most states, and you'll fail emissions testing.

How to Save Money on Honda Accord Catalytic Converter Replacement

Often Done Together

Shops commonly pair catalytic converter replacement with these jobs to save on overlapping labor:

Oxygen Sensor Replacement
$200 – $500

Got a Quote from a Local Shop?

Check if your Honda Accord quote is fair before paying. Get a free line-by-line AI estimate for your exact year and trim in under a minute, then compare.

Check My Quote Free

Frequently Asked Questions

Why are cats so expensive?
They contain precious metals like platinum, palladium, and rhodium, which are worth hundreds of dollars each in a single converter.
Can I drive without a catalytic converter?
It's illegal in all 50 states under federal law, and it's loud and smelly. Get it replaced.
Compare other vehicles