Hyundai i20 Cabin Air Filter: Intervals, Fitment & Warning Signs

On the i20, if a musty smell persists after a fresh filter, mould further downstream in the evaporator may genuinely be the real cause.

Illustration for editorial purposes

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OEM Part Number: 97133-2H001

Accuracy note: this same reference is shared with the related i30 and Elantra of the same era.

Cabin air filter	Hyundai/Kia OEM: 97133-2H001
Activated carbon/charcoal variant	Hyundai/Kia genuinely distinguish standard and carbon versions with different final-digit suffixes on the same base part number (e.g. "-1000" for standard vs "-1100" for carbon on some platforms) — check the exact suffix on your existing filter rather than assuming from the base number alone

A Genuinely Honest Diagnostic Point Worth Knowing Before Buying Another Filter — Hyundai i20 Cabin Air Filter

If a musty smell persists even after fitting a fresh cabin filter, this is genuinely worth knowing: mould or mildew can develop further downstream, on the evaporator core or within the ducting itself, meaning a new filter alone won't necessarily resolve it. A genuinely practical technique worth trying: with the filter removed, spraying a mould and mildew treatment down through the empty filter slot while running the blower on medium reaches the evaporator directly.

A genuinely useful, real preventative habit worth building: switching off the air conditioning compressor specifically for the last few minutes of a journey, while leaving the blower running on outside air, helps dry out the evaporator coils before the car sits switched off, reducing the chance of mould developing in the first place.

It's also worth knowing that a sudden, noticeable reduction in airflow can occasionally be caused by debris or a rodent nest blocking the air intake at the base of the windscreen.

Hyundai i20 Cabin Air Filter: Easy to Forget, Easy to Fix

Skipping this one on a Hyundai i20 won't cost you performance or reliability, only air quality inside the cabin — which is why it's routinely the most overdue item on any used car's maintenance history.

Hyundai i20 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.

Hyundai i20 Cabin Air Filter: What It Does

Two filters get mixed up constantly on the Hyundai i20: this one cleans air for the cabin ventilation system, catching dust, pollen and (on activated-carbon versions) some airborne pollutants, while the separate engine air filter deals purely with combustion air. They don't share a part number or a purpose.

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Hyundai i20 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 Hyundai Cabin Air Filter

The same part, covered across other Hyundai models.