Fiat 500X Cabin Air Filter: Intervals, Fitment & Warning Signs

On the 500X, not every car in this range genuinely has a cabin filter fitted — models without air conditioning may have only a blanking cover.

Illustration for editorial purposes

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OEM Part Number: 68347555AA

Accuracy note: 500X shares its platform with the Jeep Renegade and Compass — this same reference is confirmed to fit all three for the relevant build years.

Cabin air filter, 2016-2020 builds	Fiat/Mopar OEM: 68347555AA — shared with same-era Jeep Renegade
Activated carbon version	A genuinely different filter media exists as an alternative to the standard particulate version, confirmed as a distinct listing from Fiat's own parts range

A Genuinely Important Clarification Worth Knowing First — Fiat 500X Cabin Air Filter

This is genuinely worth checking before assuming a filter needs replacing: not every car in this range actually has a cabin air filter fitted at all — models without air conditioning may have only a blanking cover, with no genuine filter behind it. If you're struggling to find one, it's worth confirming your specific car actually has air conditioning fitted.

A genuinely useful technical explanation worth knowing about where mould smell originates: when the air conditioning is running, condensation forms on the chiller unit, and airborne spores can settle on this damp surface and grow there, rather than the filter always being the sole source of a musty smell. Periodically switching the air conditioning off and running the heater on full with the blower on maximum helps dry out the chiller unit and surrounding housing.

It's also genuinely worth knowing an honest, UK-specific access difficulty: on right-hand-drive cars, the steering column sits directly in the way of the filter housing, making this a genuinely more awkward job.

Fiat 500X Cabin Air Filter: Easy to Forget, Easy to Fix

On the Fiat 500X, 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.

Fiat 500X Cabin Air Filter reference plate

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.

Fiat 500X Cabin Air Filter: What It Does

Every bit of air blown through the Fiat 500X'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.

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Fiat 500X 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 Fiat Cabin Air Filter

The same part, covered across other Fiat models.