Wix WA11408 Engine Air Filter

Engine Air Filter Overview

The Wix WA11408 engine air filter is built for drivers who need dependable intake protection in everyday and demanding conditions. It is a panel-style air filter with enhanced cellulose media and a phenolic resin treatment for added resistance to moisture.

Compatible With 2020-2026 Cadillac CT4 and 2020-2026 Cadillac CT5, this filter is recommended for OEM air filter change intervals and is engineered for normal commuting, stop-and-go traffic, dirt roads, construction zones, short trips, and highway use.

Key Features

• Panel-style engine air filter for direct air intake filtration.
• Enhanced cellulose media with phenolic resin treatment for moisture resistance.
• 30% more media than OES filters for increased filtering surface area.
• Laboratory-tested to at least 99.5% efficiency per ISO 5011, based on Wix 42389.
• High-tear-strength polyurethane seal is used when applicable for temperature durability.

Detailed Description

The WA11408 is a Wix Premium Panel Air Filter designed to help maintain clean airflow into the engine while meeting OEM-style service intervals. Its cellulose media is treated for durability, and the added media area supports filtration performance in both routine and severe driving environments. This part cross-references ECOGARD XA11921 for the same application.

For Cadillac CT4 and Cadillac CT5 applications, the WA11408 provides a fitment-specific replacement option that aligns with factory maintenance schedules. The Wix WA11408 is a practical choice when replacing a worn or restricted engine air filter on these vehicles.

What It Helps Address

• Restricted airflow caused by a dirty or loaded air filter.
• Reduced intake protection from dust and road debris.
• Moisture exposure in humid or wet driving conditions.
• Service replacement needs at OEM air filter intervals.
• Filtration demands from stop-and-go and severe-duty driving.

Installation Notes and Tips

Verify the filter dimensions and housing style before installation: 10.86 in. length, 9.74 in. width, and 1.8 in. height. Confirm the air box is clean before installing the new filter, and inspect the sealing surface for debris or damage so the filter seats properly.

Quality Assurance

Wix Premium filters are backed by laboratory testing to ISO 5011 standards, with published efficiency of at least 99.5% based on Wix 42389. The WA11408 is engineered for dependable service in normal and severe driving conditions.