Premium Guard PC5448X Cabin Air Filter

Premium Guard PUREFLOW Cabin Air Filter PC5448X

Premium Guard PUREFLOW PC5448X is a cabin air filter for select Buick, Pontiac, and Oldsmobile applications with under-hood placement. It uses antibacterial filter media to help maintain cleaner air entering the passenger compartment while matching the dimensions required for the listed vehicles.

Key Features

• Antibacterial filter media for cabin air filtration
• Dimensions: 11.73 in. length, 8.98 in. width, 0.91 in. height
• Under-hood cabin air filter location for the listed applications
• PUREFLOW product line from Premium Guard
• Direct replacement part number PC5448X

PUREFLOW Product Line

The Premium Guard PUREFLOW line focuses on cabin air filtration for vehicle-specific fitment. PC5448X is built for the listed Buick Lucerne, Buick LeSabre, Pontiac Bonneville, and Oldsmobile Aurora applications, with dimensions and media type selected to match the original filter location under the hood.

Fitment Details

• Fits 2006-2011 Buick Lucerne, N/A, located under hood; PUREFLOW
• Fits 2000-2005 Buick LeSabre, N/A, located under hood; PUREFLOW
• Fits 2000-2005 Pontiac Bonneville, N/A, located under hood; PUREFLOW
• Fits 2001-2003 Oldsmobile Aurora, N/A, located under hood; PUREFLOW

What This Filter Helps Address

• Dust and airborne debris entering the cabin air system
• Reduced airflow caused by a loaded or restricted cabin filter
• Odor and contamination buildup in the HVAC intake path
• Passenger compartment air quality concerns in daily driving

Installation Notes

Install PC5448X in the under-hood cabin filter location specified for the vehicle. Verify the filter dimensions before installation and confirm the application against the vehicle year, make, and model. This part cross-references Dayco 89812 for the same application.

Quality Assurance

Premium Guard PUREFLOW cabin air filters are application-specific replacement parts built around the listed fitment and media specifications. Confirm the vehicle match before ordering to ensure proper installation and function.