HomeAir and Fuel Delivery > FiltersWix WA9790 Air Filter - Main
Part #: WA9790

Wix WA9790 Air Filter - Main

Main
⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, CX-5, 6, and CX-9
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Overview of Wix WA9790 Engine Air Filter for Mazda Vehicles

The Wix WA9790 engine air filter is designed specifically for select Mazda models, including the Mazda 6, CX-5, and CX-9. This air filter panel ensures proper air filtration to maintain engine performance and protect internal components from contaminants.

  • Compatible with Mazda 6, CX-5, and CX-9 models
  • Panel style air filter with dimensions: 9.843 inches length, 7.953 inches width, and 2.284 inches height
  • Class B filter designed for light-duty (Ld) applications
  • Inner diameter top is closed, ensuring a secure fit
  • No bypass relief valve setting, maintaining consistent filtration

Technical Specifications and Design Features

The Wix WA9790 engine air filter features a panel style design optimized for efficient airflow and filtration. With a length of 9.843 inches, width of 7.953 inches, and height of 2.284 inches, it fits precisely into the air intake system of compatible Mazda vehicles. The closed inner diameter top design prevents unfiltered air from bypassing the filter media. Classified as a Class B filter, it is intended for light-duty use, making it suitable for everyday driving conditions in Mazda 6, CX-5, and CX-9 models. The absence of a bypass relief valve setting means the filter maintains a consistent barrier against contaminants without allowing unfiltered air to enter the engine.

Applications and Problem Solving

This Wix engine air filter is used to maintain clean airflow to the engine, which is critical for combustion efficiency and engine longevity. It addresses several common issues:

  • Prevents dust and debris from entering the engine
  • Helps maintain optimal engine performance and fuel efficiency
  • Reduces engine wear caused by contaminants
  • Supports emission control by ensuring proper air-fuel mixture
  • Protects sensitive engine components from premature damage

Installation Notes and Tips

Installing the Wix WA9790 air filter is straightforward for Mazda 6, CX-5, and CX-9 owners. Ensure the air filter housing is clean before installation to avoid trapping dirt. Align the panel filter correctly within the housing, confirming the closed inner diameter top fits securely. No bypass valve adjustment is necessary. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help maintain engine health.

Quality Assurance and Warranty Information

Wix filters are manufactured to meet industry standards for filtration and durability. The WA9790 engine air filter undergoes quality control to ensure consistent performance in compatible Mazda vehicles. While specific warranty details may vary, Wix typically offers coverage against manufacturing defects. Refer to Wix’s official documentation for complete warranty terms.

BrandWix
Part NumberWA9790
Bypass Relief Valve SettingNo
ClassB
Duty TypeLD
Height2.284
Inner Diameter TopClosed
Length9.843
StyleAir Filter Panel
Width7.953

This part fits 20 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2025MazdaCX-5GS2.5LL4GASN/A
2024MazdaCX-5Signature2.5LL4GASN/A
2023MazdaCX-5Signature2.5LL4GASN/A
2023MazdaCX-92.5LL4N/A
2022MazdaCX-52.5LL4N/AOriginal Equipment Part Number PY8W133A0
2022MazdaCX-92.5LL4N/A
2021Mazda62.5LL4MainOriginal Equipment Part Number PY8W133A0
2021MazdaCX-52.5LL4N/AOriginal Equipment Part Number PY8W133A0
2021MazdaCX-92.5LL4N/AOriginal Equipment Part Number PY8W133A0
2020Mazda62.5LL4MainOriginal Equipment Part Number PY8W133A0
2020MazdaCX-52.5LL4N/AOriginal Equipment Part Number PY8W133A0
2020MazdaCX-92.5LL4N/AOriginal Equipment Part Number PY8W133A0
2019Mazda62.5LL4MainOriginal Equipment Part Number PY8W133A0
2019MazdaCX-52.5LL4N/AOriginal Equipment Part Number PY8W133A0
2019MazdaCX-52.2LL4N/AOriginal Equipment Part Number SH01-13-3A0A
2019MazdaCX-92.5LL4N/AOriginal Equipment Part Number PY8W133A0
2018Mazda62.5LL4MainOriginal Equipment Part Number PY8W133A0
2018MazdaCX-92.5LL4N/AOriginal Equipment Part Number PY8W133A0
2017MazdaCX-92.5LL4N/AOriginal Equipment Part Number PY8W133A0
2016MazdaCX-92.5LL4N/AOriginal Equipment Part Number PY8W133A0

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

ELP9435LX 3539VA489

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.