Protec 378 Engine Air Filter

Protec 378 Engine Air Filter

The Protec 378 engine air filter is built for everyday driving conditions and routine service intervals. It uses enhanced cellulose media in an air filter panel style to help maintain clean airflow for Honda Civic, Honda CR-V, and Acura EL applications.

Key Features

• Engine air filter panel design for direct air intake filtration
• Enhanced cellulose media for everyday normal driving conditions
• Laboratory-tested to ISO 5011 standards with 97.5% minimum efficiency based on PRO-TEC 362 testing
• Matches OES media area for the application
• 160 CFM rating for airflow support
• Closed top inner diameter design
• Dimensions: 7.834 in. length, 7.583 in. width, 1.859 in. height

Detailed Description

Protec part number 378 is an engine air filter designed for light-duty passenger vehicles that need dependable filtration during standard maintenance intervals. The panel-style construction and enhanced cellulose media are specified to align with original equipment media area requirements, helping maintain proper intake airflow while filtering incoming air. This filter is a direct service choice for 1996-2000 Honda Civic, 1997-2001 Honda CR-V, and 1997-2000 Acura EL applications. If you are searching for a Protec 378 air filter for Honda Civic or a replacement engine air filter for Honda CR-V, this part is built for those exact fitments.

This part cross-references FRAM CA7764 and Wix 46388 for the same application.

What It Helps Address

• Restricted airflow from a dirty or clogged engine air filter
• Dust and debris entering the intake system
• Reduced filtration performance during routine service intervals
• Maintenance replacement needs for Honda Civic, Honda CR-V, and Acura EL models
• Air intake service on vehicles using the listed OE-style filter size

Installation Notes and Tips

Verify the filter dimensions and housing shape before installation. Replace the filter during normal service intervals, and inspect the air box for dirt or debris at the same time. Confirm fitment by year, make, and model before ordering, especially for 1996-2000 Honda Civic, 1997-2001 Honda CR-V, and 1997-2000 Acura EL applications.

Quality Assurance

Protec states that this filter is laboratory tested to ISO 5011 standards and achieves a 97.5% minimum efficiency rating based on PRO-TEC 362 testing. The design is intended to provide engine protection for everyday driving conditions throughout a traditional air filter change interval.