Verified Technical Specs

2022 Mazda CX-9 Cabin & Engine Air Filter Sizes, OEM Part Numbers & DIY Location Guide

Generation 2nd Gen (2016 to 2023) • Fast DIY Installation Guide

CF11811 Cabin Filter (Fram)
CA11259 Engine Filter (Fram)
8.1" × 7.9" Cabin Dimensions
10 to 15 mins total DIY Time
2022 Mazda CX-9 Cabin and Engine Air Filter Replacement
Quick Answer: The database lists a cabin filter measuring 8.1 × 7.9 × 0.8 inches, with OEM reference KD45-61-J6X and Fram reference CF11811, for the 2022 Mazda CX-9. The listed engine filter measures 10.6 × 7.1 × 1.5 inches, with OEM reference PE07-13-3A0A and Fram reference CA11259. Confirm the generation, engine, trim, and existing filter number before ordering.
Select Mazda CX-9 (2nd Gen) Model Year:

Listed Filter Part Numbers and Reference Dimensions

Cabin Air Filter (Passenger HVAC)

Air conditioning & heating breathing air

OEM Part Number KD45-61-J6X
Fram Fresh Breeze CF11811
Wix Premium Filter WP10140
Dimensions (Inches) 8.1" × 7.9" × 0.8"
Dimensions (Metric) 206 × 201 × 20 mm
Airflow Direction Record Points downward toward blower fan
Location Reference Behind passenger glovebox compartment

Engine Air Intake Filter

Combustion chamber intake protection

OEM Part Number PE07-13-3A0A
Fram Extra Guard CA11259
Wix Heavy Duty 49249
Dimensions (Inches) 10.6" × 7.1" × 1.5"
Dimensions (Metric) 269 × 180 × 38 mm
Airbox Fasteners 2 metal quick-clamp latches
Engine Bay Location Driver side engine airbox
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2022 Mazda CX-9 Cabin Air Filter Direction

Vehicle record: Points downward toward blower fan

Confirm the marking on the replacement filter and housing. An Air Flow arrow shows the direction air travels through the media. A This Side Up marking shows physical orientation. Do not apply a universal up-or-down rule to every vehicle.

How to Replace the 2022 Mazda CX-9 Cabin Air Filter

Location reference: Behind passenger glovebox compartment. Access design varies by vehicle, so use the owner manual or a model-specific service procedure before removing trim or opening the ventilation housing.

1

Confirm the Filter and Access Location

Match the year, generation, trim, and cabin filter part number. Confirm the listed housing location before starting.

2

Record the Existing Orientation

Photograph or note the old filter marking and housing label before removal. Check whether the label says Air Flow or This Side Up.

3

Open the Access Cover Correctly

Follow the vehicle-specific procedure for clips, screws, glove box components, or cowl panels. Do not force an access cover that remains attached.

4

Remove the Old Filter and Control Debris

Pull the old filter out slowly. Keep loose leaves and dust from falling deeper into the ventilation housing.

5

Install, Close, and Test

Compare the new frame with the old filter, follow the confirmed marking, seat the filter evenly, close the access cover, and test ventilation airflow.

How to Replace the 2022 Mazda CX-9 Engine Air Filter

The engine air filter is listed in the driver side engine airbox. The housing uses 2 metal quick-clamp latches. Confirm the vehicle-specific procedure, keep loose debris out of the clean side of the airbox, seat the new filter evenly, and secure every fastener.

Avoid pulling on sensor wiring or intake hoses. Disconnect a sensor only when the service procedure requires it, and do not touch the sensing element.

2022 Mazda CX-9 Air Filter Replacement Cost Factors

Replacement cost depends on the selected filter, part brand, local labor rate, and access difficulty. Confirm the exact part number before comparing prices.

For a useful comparison, request a written service quote that separates parts and labor, then compare it with the price of the same part number or an equivalent verified replacement.

Frequently Asked Questions About 2022 Mazda CX-9 Air Filter Maintenance

What direction should the airflow arrow point on a 2022 Mazda CX-9 cabin air filter?

The vehicle record lists the cabin filter direction as Points downward toward blower fan. Confirm the marking on the filter and housing. An Air Flow arrow shows airflow direction, while a This Side Up marking shows physical orientation.

Where is the cabin air filter located on the 2022 Mazda CX-9?

The vehicle record lists the cabin air filter location as Behind passenger glovebox compartment. Access panels, fasteners, and removal steps can vary, so check the owner manual or a vehicle-specific service procedure before removing trim.

Can a dirty engine air filter trigger the check engine light on a 2022 Mazda CX-9?

A restricted or incorrectly fitted filter is one possible intake issue, but a warning light can have many causes. Read the diagnostic codes and test the relevant system before replacing parts.

How often should I replace the cabin and engine air filters on my 2022 Mazda CX-9?

Follow the maintenance schedule in the 2022 Mazda CX-9 owner manual. Timing depends on mileage, time, filter type, and driving environment. Inspect sooner in dusty, smoky, or debris-heavy conditions.

How much does it cost to replace the air filters on a 2022 Mazda CX-9 at a dealership vs DIY?

Cost depends on the selected filter, local labor rate, and access difficulty. Confirm the exact part number, then compare the part price with a written service quote that separates parts and labor.

Why does my car blower motor vibrate or buzz loudly after changing the cabin air filter?

Loose debris in the blower housing is one possible cause, but the filter, access cover, fan, and other ventilation components can also create noise. Stop using the fan if severe vibration starts and inspect the housing or seek qualified diagnosis.

What is the difference between standard paper, activated carbon, and HEPA cabin filters?

Standard particulate media targets airborne debris. Activated-carbon products add an adsorbent layer for some odors and gases. Products marketed as HEPA or high efficiency should be compared using the manufacturer rating and verified vehicle fitment.

Will an aftermarket oiled air filter void my vehicle warranty or damage my engine?

Warranty coverage and product suitability depend on the vehicle, filter, installation, and applicable warranty terms. Follow the filter service instructions and avoid over-oiling a serviceable filter.

What are the exact dimensions of the 2022 Mazda CX-9 air filters?

The database lists the cabin filter at 8.1 inches long by 7.9 inches wide by 0.8 inches thick. The listed engine filter is 10.6 inches long by 7.1 inches wide by 1.5 inches thick. Confirm the part number and physical fit before ordering.

What tools do I need to replace the air filters on a 2022 Mazda CX-9?

Tool requirements depend on the access design. Check the cabin filter procedure before removing panels. The engine airbox record lists 2 metal quick-clamp latches; confirm the procedure and tool size before opening the housing.