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Most common fit — Honda Civic: MANN-FILTER CU 21 003 — particle filter, no carbon version exists, 205 x 211 x 30 mm. Search on Amazon
Fitment varies by engine and build date — the full specification, the variants covered and our confidence in the data are set out below.
Cabin Filter Specifications
Cabin filter specification for the Honda Civic, taken from MANN-FILTER’s own catalogue and cross-checked against the TecDoc-derived application data.
| Specification | Detail |
|---|---|
| Filter type | Particle only — MANN publishes no activated-carbon version |
| MANN-FILTER reference | CU 21 003 — particle only. No CUK exists (404). FP 21 003 is the only upgrade. |
| Number of filters needed | 1 |
| Dimensions | 205 x 211 x 30 mm |
| Bosch equivalent | 1 987 432 234 |
| Mahle equivalent | LA 462 (also LA 1397) |
| Change interval | Follow the vehicle manufacturer’s service schedule — see below |
Recommended Cabin Filters for Honda Civic
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Coverage and variants: One filter for all — 1.5 Turbo, 2.0 e:HEV, Type-R
Note: MANN lists the generation only as ‘Civic XI (FL)’ — it does not name the FE saloon, so do not publish ‘FE’ as MANN-confirmed.
Confidence in this data: High
Checked against: MANN-FILTER’s own catalogue pages and the TecDoc-derived application data. A reference that returns a 404 on MANN’s catalogue does not exist, and we do not publish it.
We deliberately do not print an OE part number here. MANN publishes OE cross-references at part level, not per vehicle, so a filter shared by six cars carries all six manufacturers’ numbers — quoting one of them as “the OE number for this car” would be guesswork. Check yours in the handbook or a dealer parts catalogue.
Particle or Activated Carbon?
MANN-FILTER uses a prefix to tell you what a cabin filter actually does. CU is a plain particle filter: it catches dust, pollen and soot. CUK adds an activated-carbon layer, which also absorbs odours and a proportion of gaseous pollutants such as nitrogen dioxide and ozone. FP (FreciousPlus) adds a biofunctional layer aimed at mould, bacteria and allergens on top of the carbon.
For the Honda Civic, there is no carbon option. MANN publishes only the particle version of this filter; the CUK reference some listings quote for this car does not exist and returns a 404 on MANN’s own catalogue. If you want more than particle filtration, the FreciousPlus (FP) version is the only upgrade MANN offers.
Recommended Cabin Filters
MANN-filter CU 21 003
How to Change the Cabin Filter
On most cars this is a ten-minute job needing no tools, or a screwdriver at most.
- Find the housing. On the Honda Civic the filter sits usually behind or beneath the glovebox, or below the centre console, depending on the model. Empty the glovebox first if that is where you are working.
- Release the housing. Most are held by clips or a couple of screws; the glovebox itself often has to be dropped by squeezing its side stops inward.
- Note the airflow arrow printed on the edge of the old filter before you pull it out, and photograph how it sits. Fitting a filter the wrong way round halves its useful life.
- Fit the new element with the arrow pointing the same way, then refit the cover and check it clicks home.
- Run the blower on full for a minute with recirculation off to clear anything disturbed during the change.
When to Change It
There is no single correct interval and we will not invent one. Manufacturers publish their own figure in the service schedule, and that schedule — not a generic number — is what your car is designed around. Check the handbook or service book for the figure that applies to yours.
Change it sooner than the schedule if you notice any of these:
- Weak airflow from the vents even at full fan speed
- A musty or stale smell when the blower first comes on
- The windscreen taking longer than it used to to demist
- Visible leaf litter or grit when you drop the housing
- Hay fever symptoms in the car that were not there last year
Short urban journeys, dusty roads and parking under trees all shorten a filter’s useful life well below the book figure.
Frequently Asked Questions
What cabin filter does a Honda Civic use?
The Honda Civic takes MANN-filter CU 21 003 — particle only. No CUK exists (404). FP 21 003 is the only upgrade.. Dimensions are 205 x 211 x 30 mm.
How many cabin filters does a Honda Civic need?
One. The Honda Civic takes a single cabin filter element.
Can I get an activated-carbon cabin filter for a Honda Civic?
No. MANN publishes only the particle version of this filter for the Honda Civic. The carbon reference sometimes quoted for this car does not exist — it returns a 404 on MANN’s own catalogue.
How often should I change the cabin filter on a Honda Civic?
Follow the service schedule in your handbook. We do not publish a generic mileage or time figure here because manufacturers set their own, and an invented number is worse than none. Change it sooner if airflow drops, the vents smell musty, or the screen is slow to demist.
Can I change the cabin filter on a Honda Civic myself?
Usually yes. The filter sits behind or beneath the glovebox, or below the centre console, depending on the model, and on most cars it is a ten-minute job with no tools or a screwdriver at most. Note the airflow arrow on the old element before you remove it.
How we check fitment for this guide
We cross-reference fitment figures against manufacturer specifications and OE-supplier catalogue data where available, and matched to the standard codes that actually govern fit — battery type/group sizes, wiper lengths and fitting types, bulb fitment codes, tyre size markings, and oil specifications. We work by make, model, year, engine, and build date, because a single model can take different parts across its life. Where the right part depends on your exact vehicle, we tell you to confirm by registration or VIN. More on our method →