2021 Toyota Mirai Air Filter in Murray, UT

The 2021 Toyota Mirai’s engine (intake) air filter is housed in the under‑hood air intake box within the engine bay.

Pop the hood and look for the sealed plastic air box connected to the intake ducting; that’s where the Mirai’s intake filter sits. As a hydrogen fuel cell vehicle, the Mirai still breathes outside air through this filter to protect key components. Our Murray facility can confirm placement and condition during a quick inspection.

• Under‑hood air box with clips or screws
• Upstream of intake ducting and sensors
• Easy visual access for inspection at our Murray, UT shop

The engine (intake) air filter protects the Mirai’s powertrain air path, while the cabin air filter cleans air entering the HVAC system for passengers.

The intake filter sits in the engine bay and screens incoming air before it reaches sensitive components. The cabin air filter, typically accessed behind the glove box, traps dust, pollen, and debris so interior airflow stays clean. Our Toyota-trained team in Murray can inspect both during a single visit.

• Engine/intake filter: under hood; protects powertrain air path
• Cabin filter: behind glove box area; improves in-cabin air
• Both are replaceable service items using Toyota Genuine parts

Common signs include reduced powertrain response (intake filter) and weak HVAC airflow or musty odors (cabin filter).

On the Mirai, a restricted intake filter can reduce drivability, especially on dusty Wasatch Front roads. A dirty cabin filter often shows up as diminished fan output, increased window fogging, or lingering odors. If you drive through construction zones or spring pollen around Salt Lake City, check more frequently.

• Intake filter: sluggish response, harsher noises under load
• Cabin filter: weak vents, stale odors, more dust on surfaces
• Visual check often reveals dark, debris‑laden pleats

Yes, many owners can DIY the intake and cabin filters, but dealer service adds OEM-spec parts verification and intake/MAF inspections.

The Mirai’s intake filter is typically clip- or screw-secured; the cabin filter usually requires glove-box access and trim care. Our Murray team ensures correct Toyota filter spec, proper sealing, and a quick health check of ducts and sensors. Schedule if you prefer a documented, warranty-supportive service record.

• DIY-friendly access with basic tools
• Dealer adds housing seal checks and sensor visuals
• OEM Toyota filters maintain design airflow and fit

Yes—our service department installs Toyota Genuine air filters designed for the 2021 Toyota Mirai.

Using OEM Toyota filtration helps preserve intended airflow, sealing, and performance for the Mirai’s hydrogen powertrain and HVAC system. Genuine parts also align with Toyota service documentation for future warranty considerations. Ask our advisors to show the part box and spec before installation.

• Toyota Genuine parts engineered for Mirai fit and flow
• Documentation aligns with Toyota service records
• Installed by factory-trained Toyota technicians in Murray

It’s in the engine bay air box; our facility at 5650 South State Street, Murray, UT 84107 can confirm placement and condition.

Stop by for a quick visual check—no obligation—and we’ll point out the intake housing and access points. If replacement is needed, we’ll install a Toyota Genuine filter and verify secure sealing. You can also schedule service online for a streamlined visit.

• Engine bay air box with latches or screws
• Inspection available at our Murray service drive
• OEM-spec replacement with disposal of old filter

Expect weak HVAC airflow or musty smells (cabin) and reduced responsiveness (intake) during dusty or high‑pollen seasons.

Along the Salt Lake Valley—Sandy, West Jordan, and Millcreek—construction dust and spring pollen load filters faster. If you notice decreased vent output, worsening allergies, or a faint odor when the fan starts, it’s time to check the cabin filter. Intake restrictions can also affect smoothness on climbs toward the Wasatch Front.

• Cabin: weak vents, odor at start-up, more interior dust
• Intake: strained acceleration sounds, uneven response
• Consider seasonal checks during peak pollen and dust

The intake filter safeguards the Mirai’s powertrain air path; the cabin filter purifies air for passengers through the HVAC system.

Both filters perform distinct jobs and wear at different rates depending on local dust and pollen. In Murray and Greater Salt Lake City, seasonal changes can accelerate debris buildup. We can inspect both during one visit and advise on condition, sealing, and proper Toyota replacement parts.

• Intake: engine‑bay air box; protects components
• Cabin: glove‑box access; improves in‑cabin air quality
• Separate service items with unique part numbers

During a 2021 Toyota Mirai air filter service, our team performs a targeted inspection and replacement process using Toyota Genuine parts. We check the engine‑bay intake housing for proper sealing and debris, inspect the intake air filter media, and replace it when loaded or damaged. We then assess the cabin air filter behind the glove box area, replacing it if restricted or musty. A visual check of the intake tract and mass airflow (MAF) sensor area helps ensure correct routing and sensor cleanliness. OEM parts are backed by Toyota’s parts warranty terms; ask your advisor for current coverage language. Ready to proceed? Review current service specials and schedule service online.

The 2021 Toyota Mirai uses two key filters: an engine‑intake air filter in the under‑hood air box and a cabin air filter serving the HVAC system. Toyota recommends replacing filters according to the Mirai’s maintenance schedule in your owner’s manual; local conditions can accelerate loading. We install Toyota Genuine air filters engineered for correct fit, airflow, and filtration efficiency on hydrogen fuel cell systems and cabin ventilation. If your Mirai sees frequent dusty commutes or spring pollen in the Salt Lake Valley, visual checks between scheduled services are wise. Bring your 2021 Toyota Mirai to Larry H. Miller Toyota Murray in Murray for OEM-spec filter service — schedule service.

Larry H. Miller Toyota Murray serves the Salt Lake Valley and Greater Salt Lake City metro area—including Murray, Salt Lake City, Sandy, West Jordan, South Jordan, Millcreek, Holladay, and Taylorsville. Our climate and geography can add dust from construction zones and kick up pollen in spring, which load both intake and cabin filters sooner. As the original Larry H. Miller dealership opened in 1979, our factory-trained team provides Toyota-aligned procedures using Toyota Genuine parts. Visit our service center at 5650 South State Street, Murray, UT 84107, explore service specials, and schedule service online for your 2021 Toyota Mirai.