Volvo V40 Cabin Air Filter: Intervals, Fitment & Warning Signs

On the V40, a dealer's own extra step, spraying a specific product on the evaporator coil, has genuinely resolved an annual mould smell on related models.

Illustration for editorial purposes

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OEM Part Number: confirm via VIN — cabin air filter (aftermarket) Mann CU25007 / Bosch 1987435018

Accuracy note: Covers the Volvo V40 (2012-2019) as listed in the UK aftermarket catalogues. A cabin filter is a cheap part, but it is bought by number, and the number depends on whether your car was built with a standard particulate filter or an activated-carbon one, as well as on trim and build date. The references below are aftermarket catalogue listings for this generation, grouped by brand; the carmaker's own number is not quoted in those listings, so check the genuine filter against your VIN if you want a guaranteed match. Carbon versions carry their own numbers and are listed separately.

Cabin filter, standard (aftermarket)	Mann CU25007, Bosch 1987435018, Febi 48498, Blue Print ADF122520
Activated-carbon version (aftermarket)	Mann FP 25 007, Bosch 0 986 628 638, Febi 37049
Genuine (OE) number	Not quoted in the catalogue listings — the fitted filter varies by trim and build date, so order the genuine one against your VIN
Fitment notes	Standard and carbon filters have different numbers, and the right size depends on trim and build date. Check which type your car was built with before ordering.

Accuracy note: genuinely worth knowing: this is one of the cheapest parts on the V40, so there's little downside to buying from a specialist that verifies fitment against your registration or VIN rather than guessing from a generic cross-reference chart.

Volvo V40 Cabin Air Filter: Easy to Forget, Easy to Fix

On the Volvo V40, 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.

Volvo V40 Cabin Air Filter: What It Does

Every bit of air blown through the Volvo V40'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.

Volvo V40 Cabin Air Filter: Watch: Replacing It

🎬 Watch: Volvo V40 2015 onwards 2.0 D2 D3 D4 FULL Service Oil Air Fuel Cabin Filter - D4204T8 Diesel

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Volvo V40 Cabin Air Filter reference plate

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A Genuinely Useful Piece of Context Worth Knowing About Persistent Smells — Volvo V40 Cabin Air Filter

If a musty smell keeps returning despite regular filter changes, this is genuinely worth knowing: documented cases on related Volvo models describe a dealer resolving an annual mould smell during servicing by spraying a specific evaporator disinfectant product onto the coil, a step distinct from simply fitting a new filter — worth knowing this additional treatment can make a genuine difference.

A genuinely useful technique worth trying: spraying a proper evaporator cleaning foam onto the coil before installing a new filter has been documented resolving a persistent musty smell.

It's also worth knowing an honest access difficulty: pushing the new filter back into place without removing the glovebox entirely is notoriously fiddly on related models.

Volvo V40 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 Volvo Cabin Air Filter

The same part, covered across other Volvo models.