Frequently Asked Questions

Why is an air filter important for a 2021 Nissan Maxima?

• Protects the 3.5L V6 by keeping dust and debris out of the intake, preserving horsepower and fuel efficiency.
• Improves engine performance and helps maintain the Maxima’s 300 hp output and smooth throttle response.
• Regular replacement at Larry H. Miller Nissan Mesa can prevent costly engine wear and deliver long-term savings compared with deferred maintenance.
• We offer factory-trained technicians, OEM parts, and competitive pricing plus service financing so you can get service now and pay later; schedule service online.
• Check our service specials for current discounts on air filter replacement and multi-point inspections.

Where is the air filter in a 2021 Nissan Maxima?

• The engine air filter is located in the airbox near the front of the engine bay, secured for quick access by certified technicians.
• The cabin air filter sits behind the glove box or under the dash and filters pollen, dust, and airborne contaminants from the passenger compartment.
• At Larry H. Miller Nissan Mesa in Mesa, AZ, our technicians will point out the locations during a complimentary inspection when you schedule appointment.

How much does it cost to replace the air filter in a 2021 Nissan Maxima?

• Costs vary by filter type and service, but our dealership often costs less than independent shops while delivering higher-level service and OEM parts.
• We emphasize immediate and long-term savings: a proper replacement improves fuel economy and prevents costly engine repairs later.
• Ask about current offers and parts pricing and see our service specials. You can also schedule service and discuss financing options.
• Remember: any repairs or replacements covered under warranty must be performed at a certified dealership to keep coverage valid.

How often should I change the engine air filter on my 2021 Nissan Maxima?

• Inspect the engine air filter every 12 months or 12,000–15,000 miles; replace earlier if you drive in dusty or heavy-traffic conditions.
• Regular checks at Larry H. Miller Nissan Mesa ensure optimal performance and extend engine life; our service techs will recommend the right interval for your driving habits.
• Use our online tools to schedule service and view available service specials to bundle maintenance and save.

What is the difference between an engine air filter and a cabin air filter?

• The engine air filter protects the engine’s intake system and performance; the cabin air filter protects passengers from pollen, dust, and pollutants.
• Both filters impact comfort and longevity—engine filters affect power and fuel economy; cabin filters affect air quality and HVAC efficiency.
• Our technicians at Larry H. Miller Nissan Mesa use OEM parts and provide transparent recommendations; you can check for discounts in our service specials.
• Schedule a combined inspection to address both filters and take advantage of service financing if needed: schedule appointment.

What are signs of a bad air filter?

• Reduced acceleration, lower fuel economy, unusual engine noises, or a check engine light can all point to a clogged engine air filter.
• For cabin filters: increased dust inside the vehicle, reduced airflow from vents, or unpleasant odors indicate replacement is needed.
• Bring your 2021 Nissan Maxima to Larry H. Miller Nissan Mesa for a quick inspection; our factory-trained techs will explain findings and recommend OEM replacements.
• We offer service financing and current service specials, and you can schedule service online for a convenient visit.