ECOGARD XA11802 Engine Air Filter for Mazda CX-30 and Mazda 3

The ECOGARD XA11802 is a vehicle-specific replacement engine air filter. It is listed for select Mazda CX-30, Mazda 3 and Mazda 3 Sport model years. If you’re handling routine filter maintenance, it’s a more targeted purchase than a general-purpose part, it isn’t a performance upgrade. One fitment detail needs attention before ordering.

Tech specs

• Name: ECOGARD XA11802
• Type: Replacement engine air filter
• Compatibility: Mazda CX-30, Mazda 3 and Mazda 3 Sport, see fitment details below
• Reference: Replaces Mazda PAH9-13-3A0A, PAJ-13-3A0A and PAJ8-13-3A0A, and Purolator A21535
• What’s included: 1 item

Everyday compatibility

The broad compatibility listing names the Mazda CX-30 for 2020–2025, Mazda 3 for 2019–2025, and Mazda 3 Sport for 2019–2023. However, the engine-specific fitment information is narrower: it lists Mazda 3 and Mazda 3 Sport with 2.0L or 2.5L engines for 2019–2021, and CX-30 with 2.0L or 2.5L engines for 2020–2022. Those ranges don’t fully match, so don’t rely on the broad year listing alone. Match your model year and engine to the supplied fitment details, and use the listed Mazda part references as another point of comparison.

Buyers describe the filter as a satisfactory replacement and report positive fit experiences, including on CX-30 models from 2021 to 2025. That feedback is useful context, but it doesn’t resolve the difference between the broad and engine-specific fitment ranges. Compatibility for your exact vehicle is the key buying check here.

Getting the most from it

The product information recommends changing the engine air filter at least every 12,000 miles, or following the schedule in your owner’s manual. That gives you a maintenance cue, not a substitute for the schedule for your particular vehicle. The listing also describes the part as a factory fit intended to make installation easier, it doesn’t specify tools or give vehicle-by-vehicle installation steps.

For a routine service, this filter is intended to replace the engine air filter rather than add a separate performance feature. The product description says a clean filter supports airflow to the engine and warns that a dirty intake filter may allow damaging particles through. If you’re comparing it with a broader maintenance or performance purchase, this is the focused choice: a replacement part with named vehicle and OEM references, rather than a multi-purpose upgrade.

When it makes sense

It’s a good fit if your Mazda’s year and engine match the detailed fitment information, or the replacement references match the part you need. The stated 12,000-mile interval can also help frame a routine maintenance decision, subject to your owner’s manual. Buyers’ positive comments on fit and perceived value may add reassurance, but they shouldn’t take the place of a vehicle-specific match.

Better avoided if you can’t establish that match: the listed year ranges conflict, and the engine-specific details don’t cover every year in the broader compatibility claims. In that case, confirm the correct reference for your vehicle before choosing a replacement.