The typical total price to replace a catalytic converter on a 1999 Honda Accord ranges from roughly $300 to $1,300, depending on the part type and whether you DIY or hire a shop. A precise quote depends on your engine configuration and local labor rates.
What affects the price
The final cost is driven by several factors, including the kind of part you choose, whether your vehicle uses one or more converters, and the labor and regional pricing at your chosen shop.
- Part type (OEM vs aftermarket vs universal): OEM replacements are usually more expensive but offer guaranteed fit and warranty; aftermarket direct-fit parts are cheaper but still reliable; universal-fit converters are the least expensive but require cutting/welding and can have fitment issues.
- Exhaust configuration: Some 1999 Accords use a single catalytic converter, while certain V6 configurations or dual-cat setups may involve more than one unit, increasing parts costs.
- Labor rates and time: Shops charge by hour, with regional differences. A typical replacement takes about 1–3 hours depending on access and rust.
- Additional parts and services: O2 sensors, gaskets, clamps, and any rust-related repairs can add to the bill; some inspections or emissions tests may incur extra fees.
Prices vary by region and vehicle condition, so a personalized quote from a local shop is essential for accuracy.
Parts and labor: rough ranges
The following ranges reflect common scenarios in the U.S. for a 1999 Honda Accord, noting that exact prices depend on engine type and local market.
- OEM replacement catalytic converter (parts only): $600–$1,100
- Aftermarket direct-fit catalytic converter: $150–$400
- Universal-fit aftermarket catalytic converter (plus installation): $100–$250 for the part, plus additional labor
- Used or rebuilt catalytic converters: $50–$300
If you’re aiming for long-term reliability and a warranty, OEM or well-regarded aftermarket direct-fit options are safer bets. On a tighter budget, used or universal-fit parts can lower upfront costs but may require more labor and fitment work.
Labor and additional costs to plan for
Beyond the converter itself, several ancillary costs can affect your final bill. Here are the typical considerations you should keep in mind.
- Labor: roughly 1–3 hours at $80–$150 per hour, depending on the shop and region
- Oxygen sensors and related components: $20–$200 for parts, plus labor
- Gaskets, clamps, and potential rust repairs or mounting hardware
- Diagnostic and emissions testing fees where required
These additional costs can add anywhere from a small amount to several hundred dollars to the total price, depending on the car’s condition and local requirements.
Summary
For a 1999 Honda Accord, you can expect a wide price range for catalytic converter replacement, largely driven by part type and labor costs. Aim to budget roughly $300–$1,300 total, with OEM or direct-fit aftermarket parts providing the best balance of reliability and warranty. Always obtain a written quote that itemizes parts, labor, and any extra charges, and consider the vehicle’s specific engine configuration to determine how many catalytic converters may be involved.
Bottom line: shop around local shops, compare OEM and reputable aftermarket options, and verify whether your car uses one or more catalytic converters to get an accurate estimate.


