The typical OEM cabin air filter part number for the 2021 Honda Civic is 80292-TBA-A01.
However, Honda occasionally uses alternative numbers depending on trim level, production date, and regional catalogs. Always verify the exact part number using your VIN, the part label on the housing, or a dealer parts lookup.
How to confirm the exact part number
To confirm the exact number for your vehicle, try these methods:
- Inspect the existing filter housing for a stamped part number or label on the filter itself.
- Consult the owner's manual or maintenance section for the recommended filter part number by model year.
- Use Honda’s official parts catalog or contact a Honda dealer with your VIN to retrieve the precise part number.
- Cross-check aftermarket replacements by ensuring they match the same size and filtration specifications as the OEM filter.
Confirming with these methods helps ensure you order the correct filter for your Civic.
Common alternative part numbers you might see
Some catalogs and regional variations list a few alternative references for the cabin air filter on the 2021 Civic. These may include:
- 80292-TBA-A01 (common OEM reference for many 2021 Civics)
- 80292-TBA-A02 (alternate revision used in certain builds)
- 80292-S5A-003 (variant used in different markets or trims; verify applicability)
Always verify against your VIN and the label inside the filter housing to avoid ordering the wrong part.
Maintenance and replacement guidance
Honda generally recommends periodic inspection of the cabin air filter—often around 24,000 miles or 2 years for typical driving conditions—and replacement as needed, especially in dusty or congested environments. When installing a new filter, align the airflow direction as indicated by the housing.
Replacing the cabin air filter helps maintain HVAC efficiency and interior air quality, which is particularly important for allergy management and overall comfort.
Summary
For the 2021 Honda Civic, the standard OEM cabin air filter part number is 80292-TBA-A01, with potential variations such as 80292-TBA-A02 or 80292-S5A-003 depending on trim and market. Verify the exact part number using your VIN, the housing label, or a dealer parts lookup to ensure a precise fit.


