Wix 42731 Air Filter

Overview of Wix 42731 Engine Air Filter for Ford Trucks

The Wix 42731 engine air filter is designed specifically for heavy-duty Ford vehicles, including the Excursion, F-250 Super Duty, and F-350 Super Duty models. This corrugated style air filter ensures efficient airflow and reliable filtration to maintain engine performance under demanding conditions.

• Compatible with Ford Excursion, F-250 Super Duty, and F-350 Super Duty
• Corrugated style engine air filter with cellulose media material
• High cubic feet per minute (CFM) rating of 775 for optimal airflow
• Oval-shaped design with precise dimensions for proper fitment
• Durable construction suitable for heavy-duty (Hd) duty type applications

Technical Specifications and Design Features

The Wix 42731 air filter features a corrugated style design that enhances the surface area for improved filtration efficiency. Constructed with cellulose media material, it effectively traps contaminants while allowing a high airflow rate of 775 cubic feet per minute. The filter’s oval shape and specific dimensions—10.730 inches in height, 6.250 inches inner diameter at the bottom, 7.875 inches outer diameter at the bottom, and 13.125 inches outer diameter at the top—ensure a secure and precise fit in compatible Ford heavy-duty trucks.

Applications and Problem Solving

This engine air filter is intended for use in Ford Excursion, F-250 Super Duty, and F-350 Super Duty vehicles requiring a reliable air filtration solution. It addresses common issues such as:

• Preventing engine damage caused by dust and debris ingestion
• Maintaining optimal engine airflow for fuel efficiency and power
• Reducing engine wear in heavy-duty operating conditions
• Ensuring consistent engine performance in demanding environments

Installation Notes and Tips

When installing the Wix 42731 air filter, ensure the filter is seated properly within the airbox to prevent unfiltered air bypass. Verify the oval shape aligns with the housing dimensions. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help maintain engine health and performance.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration and durability. The 42731 engine air filter is built for heavy-duty use and undergoes quality control to ensure consistent performance. Warranty coverage details should be confirmed through Wix or authorized distributors.