Audi Q2 Cabin Air Filter: Intervals, Fitment & Warning Signs

On the Q2, most Audis genuinely have the filter behind the glovebox, but a few models place it under the windscreen cowl instead.

Illustration for editorial purposes

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OEM Part Number: 5Q0819669

Accuracy note: this part is genuinely consistent across engine and trim variants, since it's part of the HVAC system rather than the drivetrain.

Cabin air filter, all Q2 versions, standard particulate filter	Audi OEM: 5Q0819644A — shared with Q3, TT, TTS, RS3, S3, and same-era VW/Skoda/Seat MQB models
Cabin air filter, all Q2 versions, activated carbon/charcoal filter	Audi OEM: 5Q0819653 — a genuinely different filter media from the standard version, confirmed fitted across the same range depending on original spec
Current combined reference	Audi OEM: 5Q0819669 is commonly listed as a combined/superseding reference for either type — check which specific filter your car has fitted rather than assuming from the number alone

Audi Q2 Cabin Air Filter: Easy to Forget, Easy to Fix

On the Audi Q2, this part sits in an unusual category: neglecting it changes nothing about how the car drives, so there's no natural prompt to replace it. It only affects the air you're breathing inside the cabin, which is why it's so often left well past its interval.

Before you buy: filter size and whether your car uses a standard or activated-carbon filter varies by trim. Always confirm against your VIN before ordering.

Audi Q2 Cabin Air Filter: What It Does

Every bit of air blown through the Audi Q2's cabin vents passes through this filter first, which is what traps dust and pollen — plus some odours and pollutants if it's an activated-carbon type. It has nothing to do with the engine air filter, a wholly separate component built for the combustion side of things.

Audi Q2 Cabin Air Filter reference plate

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A Genuinely Important Clarification Worth Confirming Before Buying a Filter — Audi Q2 Cabin Air Filter

This is genuinely worth confirming before ordering a replacement: most Audis use a front-access method with the filter positioned behind the glovebox, but a small number of models instead place the filter under the cowl at the base of the windscreen — worth confirming which specific location applies to your car before buying, since the part and fitting procedure are completely different between the two.

A genuinely useful, preventative finding worth knowing: consistently using the recirculation setting rather than fresh air mode helps keep the evaporator dry, which can prevent musty smells and mould developing in the first place. It's also genuinely worth knowing a useful technique for an existing smell: setting the heater to high with recirculation on and letting the car idle for around fifteen minutes can help bake an existing smell out of the evaporator.

It's also genuinely worth knowing to check the plenum area below the windscreen for a build-up of leaves and debris, since this is a regularly documented source of water finding its way into the cabin.

Audi Q2 Cabin Air Filter: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Cabin Air Filter Guide for signs it needs changing, confirming fitment against your VIN, and choosing standard, carbon, or HEPA media.

More Audi Cabin Air Filter

The same part, covered across other Audi models.