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K&N KNA-2478 is an Advantage long-life panel engine air filter for the listed Nissan Altima application, designed as a direct replacement in the factory air box. Confirm the exact manufacturer part number and all current specifications before ordering.
Key Features
- K&N has been the #1 brand in High-Flow performance air filtration since 1969, delivering industry-leading performance and protection for whatever you drive.
- Now offering a long-life solution for everyday drivers, K&N’s proven technology is available in a premium 18,000-mile filter, providing long service life compared to traditional 12,000-mile disposable filters.
- Featuring a premium synthetic or cellulose-blend filter media (based on application), these filters deliver up to 99% engine protection.
- Designed to meet or exceed OEM specifications, they install easily into your factory air box in just minutes.
Fitment
Use the verified year, make, and model table below, then confirm the engine, drivetrain, body configuration, factory equipment, and every current manufacturer application note.
| Years | Make | Model |
|---|---|---|
| 2013-2018 | Nissan | Altima |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | KNA-2478 |
| Product Type | Engine Air Filters |
| Fitment Type | Vehicle Specific |
| Condition | New |
| GTIN | 024844406774 |
What's Included
One new K&N Engineering engine air filter identified by manufacturer part number KNA-2478 in the configuration shown. Hardware or companion parts are included only when expressly stated by the manufacturer.
About K&N Engineering
K&N Engineering manufactures automotive performance and replacement parts identified by exact part number, specifications, and published application data.
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Frequently Asked Questions
How do I confirm KNA-2478 is correct?
Use the verified year, make, and model table below, then confirm the engine, drivetrain, body configuration, factory equipment, and every current manufacturer application note.
Are similar-looking parts interchangeable?
No. Match part number KNA-2478, dimensions, configuration, included components, and every current manufacturer note.
What is included with this listing?
One new K&N Engineering engine air filter identified by manufacturer part number KNA-2478 in the configuration shown. Hardware or companion parts are included only when expressly stated by the manufacturer.
Installation
Follow the current K&N Engineering instructions for part number KNA-2478. Verify fit, clearance, system specifications, fastener torque, and safe operation before use. Professional installation is recommended when specialized tools, alignment, calibration, or fabrication are required.
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