Wix WA11128 Engine Air Filter - Main

Engine Air Filter Overview

The Wix WA11128 engine air filter is a panel-style replacement for select Audi Q7 applications. It is built for normal and severe driving conditions, including stop-and-go traffic, dirt roads, construction sites, short trips, and interstate travel.

Fits 2016-2026 Audi Q7, N/A. Fits 2017-2022 Audi Q7, Main. This part cross-references Volkswagen 4M0133843C for the same application.

Key Features

• Panel-style engine air filter for routine intake service
• Phenolic resin treated cellulose media for moisture resistance and durability
• 30% more media than OES filters for increased filtering surface area
• High-tear strength polyurethane seal when applicable for temperature resistance
• Laboratory tested to ISO 5011 standards with at least 99.5% efficiency

Detailed Description

Wix WA11128 is an engine air filter designed to maintain clean airflow into the engine while helping protect intake components from airborne contaminants. The cellulose media is treated with phenolic resin to improve durability against moisture ingestion, and the filter construction is intended for OEM air filter change intervals. For Audi Q7 owners looking for a direct replacement air filter, WA11128 matches the listed fitment and OE reference 4M0133843C.

The filter dimensions are 14.86 inches long, 9.82 inches wide, and 4.27 inches high, with a closed top inner diameter. Wix WA11128 is also referenced by part number WA11128, making it easier to confirm the correct engine air filter for Audi Q7 service.

What It Helps Address

• Restricted airflow caused by a dirty or loaded air filter
• Reduced intake filtration during dusty or high-debris driving
• Moisture-related media breakdown in demanding conditions
• Service replacement needs at OEM-style maintenance intervals
• Fitment verification for Audi Q7 air filter replacement

Installation Notes and Quality

Install as a direct panel air filter replacement in the factory airbox. Verify the OE reference 4M0133843C and confirm the listed Audi Q7 fitment before installation. The WA11128 is engineered by Wix for filtration performance and durability, and it is laboratory tested to ISO 5011 standards.