Details

• Brand:

  

• SKU:

  16546-6CA0A

• Other Names:

  Engine Intake Filter, Air Cleaner Element, Intake Air Filter

• Description:

  Air Filter (Engine) (16546-6CA0A) – OEM Replacement Part for Nissan

  Noticing reduced fuel efficiency or sluggish acceleration? Restore proper airflow and engine efficiency with the Genuine Nissan Engine Air Filter (16546-6CA0A). This factory-engineered filter is designed to trap dirt, dust, and debris before they enter the engine, helping maintain smooth combustion, reliable performance, and long engine life.
  Always verify compatibility by VIN before ordering — every order is reviewed by a certified Nissan parts specialist to verify fitment before shipping.

  VIN Verification Required

  Always verify compatibility by VIN before ordering.
  Enter your VIN using the VIN lookup on our homepage — every order is reviewed by a certified Nissan parts specialist before shipping.

  Specifications

  Part Type: Engine Air Filter
  System: Engine / Air Intake
  Location: Air cleaner housing
  Function: Filters incoming air before it enters the engine
  Construction: OEM-grade pleated filter media with rigid sealing frame
  Included: One engine air filter

  Compatible Nissan Models

  This OEM engine air filter fits select Nissan vehicles:

  • 2018–Present Nissan Altima – 2.5L 4-Cylinder (L34US)

  Fitment may vary by engine configuration or production date.
  Always confirm compatibility using your VIN before ordering.

  Key Features

  • Filters dust, dirt, and airborne contaminants
  • Maintains proper airflow for efficient combustion
  • Helps protect internal engine components from premature wear
  • Designed to Nissan factory specifications for proper sealing
  • Direct-fit replacement for the original air filter

  Failing to Replace a Dirty Engine Air Filter Can Lead To

  Reduced Engine Performance: Restricted airflow limits power output
  Poor Fuel Economy: Improper air-to-fuel ratio reduces efficiency
  Check Engine Light: Airflow restrictions may trigger sensor-related faults
  Increased Engine Wear: Contaminants can enter the intake system

  Related Components to Inspect or Replace

  Mass Air Flow Sensor (MAF): Inspect for contamination during service
  Air Intake Ducting: Check for cracks or loose connections
  Cabin Air Filter: Replace regularly for interior air quality

  Order with Confidence

  All OEM Nissan parts are shipped directly from Chapman Nissan in Philadelphia, PA, and every order is reviewed by a certified Nissan parts specialist before shipping.

  Questions about fitment or maintenance intervals?
  https://parts.chapmannissan.com/contact-us

  FAQ

  How often should the engine air filter be replaced?
  Most Nissan vehicles recommend replacement every 12,000–15,000 miles, or sooner in dusty conditions.

  Is this a genuine Nissan part?
  Yes. This is a genuine OEM Nissan engine air filter built to factory specifications.

  Can a dirty air filter affect fuel economy?
  Yes. Restricted airflow can reduce combustion efficiency and MPG.

  Will this fit all Altima trims?
  Fitment depends on engine configuration. VIN verification is required.

  Does this filter come pre-oiled?
  No. This is a dry-style OEM paper filter and does not require oiling.

  
  

• Condition: New
• Notes: Included with air cleaner assembly.

• Warranty:

  This Genuine Nissan part is backed by Nissan’s 12-month / 12,000-mile nationwide warranty, covering defects in materials or workmanship.

  Parts-only coverage when installed outside an authorized Nissan dealer
  Parts and labor coverage when installed at an authorized Nissan dealer
  Normal wear or installation-related issues are not covered

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