In general, a new catalytic converter for a Honda Civic costs roughly $300 to $1,800 for the part, with total installed prices typically ranging from $500 to $2,000 depending on model and labor.
What affects the price
Vehicle year and engine configuration
Honda Civics across generations use different engine types (non-turbo 1.8L/2.0L, 1.5L turbo in newer models). The engine layout and emissions design influence the number of catalysts and the exact part number, which changes price and availability.
Number and location of catalytic converters
Some Civics have one main catalytic converter, others have a separate pre-cat or multiple converters. The total number of units affects both the part cost and the labor time required for installation.
OEM vs aftermarket parts
OEM (dealer) units tend to be pricier but guarantee exact fit and CARB compatibility where required. Aftermarket direct-fit cats are usually cheaper and fit well, while universal aftermarket converters may require fabrication and additional labor.
Labor costs and shop rates
Labor charges vary by region and shop. Expect roughly $60–$150 per hour in many areas, with total labor commonly ranging from $100 to $350 depending on vehicle complexity and local rates.
Estimated price ranges
The ranges below reflect common new-part pricing and typical installation charges in the United States as of 2024–2026. Prices can vary by region and model year.
- OEM catalytic converter (dealer): part typically $700–$1,600; installation commonly $150–$400; total installed often $850–$2,000+
- Aftermarket direct-fit catalytic converter: part typically $250–$600; installation commonly $100–$350; total installed often $350–$1,200
- Universal aftermarket catalytic converter (may require fabrication): part typically $150–$450; installation commonly $200–$800; total installed often $350–$1,400
Note: California and some other states require CARB-compliant converters for street use. Non-CARB compliant aftermarket parts may be illegal to install in those areas.
Installation tips and warranties
Choose a reputable shop with emissions compliance knowledge. Verify the part number and CARB status for your model year. Ask about warranties: catalytic converters often come with 1–5 year warranties, sometimes longer for OEM parts. Keep receipts for warranty claims.
Warranty coverage specifics
Most OEM parts carry a longer warranty and may be covered under the car’s factory warranty if applicable. Aftermarket parts often have shorter warranties; read the policy to understand coverage for defects, fit, and performance.
Where to buy
Reliable sources include authorized Honda dealers for OEM parts and established aftermarket brands (MagnaFlow, Walker, Bosal, Denso, AC Delco). Online retailers may offer lower sticker prices but confirm compatibility and return policies. Always verify part numbers and emissions compliance.
Summary
Replacing a catalytic converter on a Honda Civic can vary widely in price, driven by model year, engine type, and part choice. OEM units are more expensive but reliable and CARB-compliant where required, while aftermarket direct-fit parts offer substantial savings. Labor costs also play a major role. For California residents and other CARB states, ensure the replacement part is CARB-approved to avoid legal and performance issues.