Wix WA10778 Engine Air Filter

Engine Air Filter for Volkswagen Atlas

The Wix WA10778 engine air filter is a panel-style replacement built for Volkswagen Atlas and Atlas Cross Sport applications. It uses enhanced cellulose media and a durable seal design to help maintain airflow while capturing airborne contaminants in everyday driving and harsher conditions.

Key Features

• Engine air filter panel for light-duty passenger vehicle use
• Enhanced cellulose media with phenolic resin treatment for added moisture resistance
• 30% more media than OES filters, based on Wix design specifications
• Laboratory-tested to at least 99.5% efficiency per ISO 5011, based on Wix 42389
• High-tear strength polyurethane seal used where applicable for temperature resistance
• Direct replacement for OEM air filter change intervals

Detailed Description

Wix WA10778 is an engine air filter designed to support clean intake airflow in Volkswagen Atlas and Volkswagen Atlas Cross Sport models. Its panel construction measures 12.5 inches long, 6.65 inches wide, and 2.3 inches high, with a closed inner diameter top and cellulose filter media. The filter is built for normal and severe driving conditions, including stop-and-go traffic, dirt roads, construction zones, short trips, and interstate travel. This part cross-references Purolator A21468 and NAPA Gold Filters 200778 for the same application.

Compatible With 2023-2026 Volkswagen Atlas and 2023-2026 Volkswagen Atlas Cross Sport, as well as 2018-2022 Volkswagen Atlas and 2020-2022 Volkswagen Atlas Cross Sport with original equipment part number 3QF129620. The Wix WA10778 is a practical OE-style service part for drivers maintaining factory air filtration standards on Volkswagen Atlas and Atlas Cross Sport vehicles.

Common Issues This Filter Can Help Address

• Restricted airflow from a dirty or loaded engine air filter
• Reduced intake filtration performance during dusty driving
• Premature contamination buildup in the intake system
• Service interval replacement for worn OEM-style air filters
• Moisture-related media breakdown in demanding weather conditions

Installation Notes and Tips

Replace the engine air filter according to the vehicle maintenance schedule or sooner if driving conditions are severe. Confirm the filter dimensions and OE reference before installation, especially on Volkswagen Atlas and Atlas Cross Sport applications. Inspect the airbox for debris and ensure the seal seats evenly before closing the housing.

Quality Assurance

Wix specifies ISO 5011 laboratory testing at 99.5% efficiency or higher for this filter design, based on Wix 42389. The premium panel construction is intended to meet OEM air filter change intervals while providing durable filtration performance for daily service.