Replacing a catalytic converter on a 2005 Honda Accord typically costs between $900 and $2,000 installed, depending on whether you use aftermarket or OEM parts and whether the car has one or two catalytic converters.
Prices can vary by region, shop, and the specific engine configuration. Some Accords use a single catalytic converter, while others rely on a dual-cat setup, which affects both part costs and labor time. The following sections break down the main factors, typical price ranges, and money-saving tips.
What affects the price?
The price you pay hinges on several practical factors. Understanding these can help you compare quotes and avoid surprise charges.
- Number of catalytic converters: single-cat versus dual-cat setups can significantly change both parts and labor costs.
- Part type: aftermarket (often cheaper) versus OEM/dealer parts (usually more expensive) or enhanced direct-fit options.
- Labor rates and time: hourly rates vary by region and shop, and rusted parts can increase labor time.
- Additional components: oxygen sensors, heat shields, manifolds, or piping may need replacement or extra labor.
- Vehicle condition: age and corrosion can affect how easily bolts come loose and how long the job takes.
Understanding these factors helps set realistic expectations and makes it easier to compare quotes from different shops.
Typical installed ranges for a 2005 Honda Accord
Before listing ranges, note that the exact cost depends on whether the Accord has one or two catalytic converters and on the chosen part type. Here are commonly observed installed price ranges for this model year:
- Aftermarket single catalytic converter (part only typically $150–$450). Installed total: roughly $400–$1,100, depending on labor and regional rates.
- OEM/dealer single catalytic converter (part typically $500–$1,000+). Installed total: roughly $650–$1,350, depending on labor and regional rates.
- Aftermarket dual catalytic converters (if applicable; parts typically $300–$900 for both, or more for higher-quality units). Installed total: roughly $900–$2,300, depending on labor and regional rates.
- OEM dual catalytic converters (parts typically $1,000–$2,000+ for both). Installed total: roughly $1,300–$2,900, depending on labor and regional rates.
Prices are estimates based on common market ranges and can vary by location, shop, and specific vehicle configuration. Always obtain multiple written quotes to compare exactly what’s included in each price (e.g., sensors, labor, disposal fees, and warranties).
Ways to save on catalytic converter replacement
Car owners often find cost savings by shopping around and choosing options that balance price with reliability. Consider these strategies:
- Get multiple quotes from independent shops and dealer service departments to compare labor and parts costs.
- Ask for direct-fit aftermarket converters if your local regulations allow it; they are usually cheaper than OEM units.
- Check if any related components (oxygen sensors, gaskets, clamps) are recommended for replacement at the same time and whether their costs are bundled.
- Look for reputable remanufactured or factory-direct options with warranties to reduce risk if a part fails later.
- Consider timing and scope: if you’re already scheduling maintenance, bundling the replacement with other exhaust work can reduce overall labor time and cost.
Note: Ensure any replacement complies with local emissions regulations and that the chosen part is compatible with your 2005 Accord’s engine and exhaust configuration.
Summary
For a 2005 Honda Accord, installed catalytic converter replacement costs generally fall in the $900–$2,000 range, with OEM parts leaning toward the higher end and aftermarket parts offering savings. The exact price depends on whether the car uses one or two catalytic converters, the type of part chosen, labor rates, and any additional repairs needed. To get the best value, compare several quotes, confirm what's included, and consider reputable aftermarket options when allowed by local regulations.
Bottom line: plan for a moderate-to-high repair cost, but shop around to minimize the expense while ensuring a reliable fix.


