Protec 330 Air Filter

Engine Air Filter for Everyday Driving

Protec 330 is an engine air filter built for normal daily driving and routine service intervals. It uses enhanced cellulose media and a plastic-ended design to help maintain airflow while providing engine protection in compatible Ford, Mercury, and Mazda applications.

• Enhanced cellulose media for standard engine air filtration
• Laboratory tested to ISO 5011 with 97.5% minimum efficiency based on PRO-TEC 362
• 350 CFM rating for everyday airflow needs
• Plastic ends with a closed top and open bottom configuration
• OE-style dimensions for select Ford Ranger, Windstar, Escort, and Mazda B-Series applications

Fitment and Application Details

Compatible With 1995-2003 Ford Ranger, 1995-2003 Ford Windstar, 1995-2003 Ford Escort, 1995-1997 Ford Explorer, 1995-1998 Mazda B2300, 1995-1998 Mazda B3000, 1995-1998 Mazda B4000, 1998 Ford F-100 Ranger, 1998 Mazda B2500, 1997-1999 Mercury Tracer, and 1996-1998 Ford Windstar applications. Fits 1997-2003 Ford Escort, N/A; Fits 1999-2003 Ford Windstar, N/A; Fits 1997-1999 Mercury Tracer, N/A; Fits 1998 Ford F-100 Ranger, N/A, conical shaped; Fits 1997-1998 Ford Ranger, N/A, conical shaped; Fits 1996-1998 Ford Windstar, N/A; Fits 1998 Mazda B2500, N/A, conical shaped; Fits 1998 Mazda B3000, N/A, conical shaped; Fits 1998 Mazda B4000, N/A, conical shaped; Fits 1997 Ford Explorer, N/A, with cone; Fits 1996-1997 Ford F-100 Ranger, N/A; Fits 1995-1997 Ford Ranger, N/A; Fits 1995-1997 Mazda B2300, N/A; Fits 1995-1997 Mazda B3000, N/A; Fits 1995-1997 Mazda B4000, N/A; Fits 1995-1996 Ford Explorer, N/A.

This part cross-references FRAM CA7774 and Wix 46416 for the same application.

What This Filter Helps Address

• Restricted airflow from a dirty or clogged engine air filter
• Dust and debris entering the intake system during normal driving
• Reduced engine breathing caused by overdue filter service
• Fitment issues when replacing the original OE-style air filter
• Routine maintenance needs on Ford Ranger, Windstar, Escort, and Mazda B-Series vehicles

Installation Notes and Tips

Verify the filter dimensions against the airbox before installation: 7.898 inches tall, 6.866 inches outer diameter at the bottom, 5.04 inches outer diameter at the top, and 3.3 inches inner diameter at the bottom. The top is closed, and the filter uses a plastic end construction. Confirm the vehicle’s original equipment part number F7CX9601AA when matching this filter to the listed Ford and Mercury applications.

Quality Assurance

Protec air filters are engineered for everyday normal driving conditions and traditional service intervals. The manufacturer cites ISO 5011 laboratory testing with 97.5% minimum efficiency based on PRO-TEC 362, supporting consistent filtration performance for the listed applications.