Wix 42799 Air Filter

WIX 42799 Engine Air Filter Overview

The WIX 42799 engine air filter is a panel-style replacement built for dependable engine protection in everyday driving and harsher conditions. It is a direct-fit option for select Mini Cooper and Ford Fiesta applications, including 2002-2008 Mini Cooper and 2003-2007 Ford Fiesta models.

With enhanced cellulose media and a polyurethane seal where applicable, this filter is built to handle moisture exposure and temperature swings while maintaining consistent airflow. The WIX 42799 is a practical choice for drivers looking for an OE-style air filter replacement for Mini Cooper and Ford Fiesta maintenance.

Key Features

• Panel-style engine air filter for air intake service
• Enhanced cellulose media with phenolic resin treatment
• 30% more media than comparable OES filters
• High-tear strength polyurethane seal where applicable
• Laboratory-tested to ISO 5011 standards with at least 99.5% efficiency based on Wix 42389
• Compatible with select 2002-2008 Mini Cooper and 2003-2007 Ford Fiesta applications

Detailed Description

WIX 42799 is an engine air filter designed to support clean intake airflow while helping protect the engine from dust and debris. Its cellulose media is treated for added durability against moisture ingestion, and the panel format measures 8.582 inches long, 6.614 inches wide, and 1.338 inches high. The closed top design and OE-style dimensions make it a straightforward replacement for service intervals on the listed vehicles. This part cross-references Ford OE number 2S61-9601-CA for the same application.

For fitment-based searches, this part is commonly referenced as an air filter for 2002-2008 Mini Cooper and as a replacement air filter for 2003-2007 Ford Fiesta. The WIX 42799 part number is also used by buyers comparing OEM air filter change intervals and direct replacement options.

What It Helps Address

• Restricted airflow caused by a dirty or clogged air filter
• Dust and road debris entering the engine intake system
• Reduced filtration performance during stop-and-go driving
• Moisture-related media breakdown in demanding weather conditions
• Routine maintenance needs for Mini Cooper and Ford Fiesta air intake service

Installation Notes and Tips

Replace the filter at the vehicle’s recommended service interval or sooner if driving conditions are dusty, wet, or heavily stop-and-go. Before installation, inspect the air box for debris and verify the sealing surfaces are clean so the new filter seats properly. Confirm the application by matching the vehicle year and model to the listed fitment for the WIX 42799.

Quality Assurance

WIX states that this filter is laboratory tested to ISO 5011 standards and built with media and sealing materials selected for durability in normal and severe driving conditions. The WIX 42799 is engineered as an OE-style replacement air filter for the listed Mini Cooper and Ford Fiesta applications.