Engine & Cabin Air Filter Kit for Mazda 3 2019-2025, CX-30 2020-2025, Select CX-50 2023-2025 - Includes PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter
PAJ8-13-3A0A and BDGF-61-J6X engine and cabin air filter kit, two filters shown
PAJ8-13-3A0A engine air filter and BDGF-61-J6X cabin air filter shown in a product dimensions diagram
PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter fitment and replacement part numbers chart
PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter shown under hood and behind glove box
PAJ8-13-3A0A Engine Air Filter with 99.9% filtration efficiency and high airflow marketing text
PAJ8-13-3A0A Engine Air Filter, close-up showing pleat geometry, synthetic media and polyurethane sealing frame
PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter, 5-layer odor and dust defense diagram
PAJ8-13-3A0A engine air filter and BDGF-61-J6X cabin air filter kit maintenance tip with filter comparison
PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter, before-and-after airflow graphic
PAJ8-13-3A0A and BDGF-61-J6X engine and cabin air filter kit, two filters shown
PAJ8-13-3A0A engine air filter and BDGF-61-J6X cabin air filter shown in a product dimensions diagram
PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter fitment and replacement part numbers chart
PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter shown under hood and behind glove box
PAJ8-13-3A0A Engine Air Filter with 99.9% filtration efficiency and high airflow marketing text
PAJ8-13-3A0A Engine Air Filter, close-up showing pleat geometry, synthetic media and polyurethane sealing frame
PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter, 5-layer odor and dust defense diagram
PAJ8-13-3A0A engine air filter and BDGF-61-J6X cabin air filter kit maintenance tip with filter comparison
PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter, before-and-after airflow graphic
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Engine & Cabin Air Filter Kit for Mazda 3 2019-2025, CX-30 2020-2025, Select CX-50 2023-2025 - Includes PAJ8-13-3A0A Engine Air Filter and BDGF-61-J6X Cabin Air Filter

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Engine & Cabin Air Filter Kit for Mazda 3, CX-30 & CX-50

Key Features

  • Two-piece replacement filter kit: one engine air filter and one cabin air filter.
  • Engine air filter dimensions: 10.16 in. L Γ— 7.24 in. W Γ— 2.17 in. H.
  • Cabin air filter dimensions: 7.94 in. L Γ— 7.59 in. W Γ— 0.88 in. H.
  • Engine filter helps trap dust, dirt, and airborne particles before they enter the engine.
  • Cabin filter helps reduce dust, pollen, and other particles entering through the HVAC system.
  • Vehicle-specific replacement fit.

Replaces

  • Includes 1 engine air filter replacing PAJ8-13-3A0A and related applications.
  • Includes 1 cabin air filter for replacing the listed BDGF-61-J6X application.

Cross-Reference Part Numbers

  • Engine air filter: PAJ8-13-3A0A, PAJ8-13-3A0, PAH9-13-3A0A, PAH9-13-3A0, WA11107, WA9950, CA12668.
  • Cabin air filter: BDGF-61-J6X, BDTS-61-J6X, DB9L-61-J6X, CF12773, VF2074, PC99818P.

Compatibility & Fitment

Fits select Mazda 3 and Mazda 3 Sport applications from 2019 through 2025, Mazda CX-30 applications from 2020 through 2025, and select Mazda CX-50 applications from 2023 through 2025. Verify the vehicle year, model, engine, and original filter numbers before ordering because fitment is not exhaustive for every application.

When to Replace

Replace the filters at the vehicle manufacturer’s recommended interval. The supplied maintenance guidance recommends replacement every 12,000–15,000 miles or every 12 months. A clogged engine filter can restrict airflow, while a loaded cabin filter can reduce HVAC airflow and affect interior air quality. Shorter intervals may be appropriate in dusty, polluted, or high-pollen driving conditions.

Installation Tips

  • Confirm both original filter part numbers and compare the old filters with the replacement dimensions before installation.
  • Install the engine air filter in the airbox with the sealing edge seated evenly and the housing fully closed.
  • Install the cabin air filter in the HVAC filter tray in the airflow direction marked on the filter.
  • Remove loose dust and debris from each housing without allowing contamination into the intake or HVAC system.
  • Check the owner’s manual for the exact access procedure and airflow direction for your vehicle.
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FAQ

This vehicle-specific kit is designed for Mazda 3 models from 2019–2025, Mazda CX-30 models from 2020–2025, and select Mazda CX-50 models from 2023–2025. Verify the vehicle’s engine, trim, and existing filter numbers before ordering, especially for CX-50 applications.
The kit contains an engine air filter corresponding to PAJ8-13-3A0A and a cabin air filter corresponding to BDGF-61-J6X. Use the numbers printed on your existing filters or in the vehicle service information to confirm the match.
You receive two replacement filters: one engine air filter, PAJ8-13-3A0A, and one cabin air filter, BDGF-61-J6X. The engine filter protects the intake system from airborne debris, while the cabin filter cleans air entering the passenger compartment.
A restricted engine air filter can contribute to reduced airflow, sluggish acceleration, or lower fuel efficiency. A clogged cabin filter may cause weak airflow from the vents, increased fan noise, unpleasant odors, or dusty air inside the vehicle. These symptoms can also have other causes, so inspect the filters before replacing them.
Both filters are commonly replaced during routine maintenance without specialized tools. The engine filter is installed in the under-hood air box, while the cabin filter is accessed through the passenger-side cabin filter compartment. Allow approximately 15–30 minutes, depending on the Mazda model and access arrangement; follow the filter airflow-direction markings during installation.
Compare each new filter with the removed filter for overall shape, frame design, and seating tabs. Remove leaves and debris from the air box or cabin filter housing, inspect the air-box seal and housing for damage, and install the cabin filter with its airflow arrow facing the correct direction.