Wix 42809 Engine Air Filter - Primary

Overview of Wix 42809 Engine Air Filter

The Wix 42809 engine air filter is designed to provide reliable air filtration for heavy-duty applications. Featuring a corrugated style primary air design and cellulose media material, this filter supports optimal engine performance by effectively capturing contaminants.

• Class Ha rating for heavy-duty use
• Corrugated style primary air filter design
• Cellulose media material for efficient filtration
• Height: 7.890 inches
• Outer diameter top: 13.000 inches; outer diameter bottom: 10.000 inches
• Inner diameter bottom: 0.750 inches; inner diameter top: closed

Technical Details and Specifications

The Wix 42809 engine air filter is engineered with a cellulose media that balances filtration efficiency and airflow. Its corrugated style primary air design enhances dust-holding capacity, making it suitable for heavy-duty vehicles requiring robust air filtration. The filter measures 7.890 inches in height, with a 13.000-inch outer diameter at the top and 10.000 inches at the bottom. The inner diameter at the bottom is 0.750 inches, while the top is closed, ensuring a secure fit in compatible air intake systems.

Compatible Vehicles and Fitment

This Wix 42809 engine air filter is compatible with a range of heavy-duty trucks and commercial vehicles that require a Class Ha heavy-duty air filter. It is commonly used in applications where reliable air filtration is critical to engine longevity and performance. For example, it fits certain models of Freightliner, Kenworth, and Peterbilt trucks that specify this filter size and style. Always verify fitment with your vehicle’s specifications before purchase.

Common Applications and Problem Solving

• Prevents engine damage caused by dust and debris ingestion
• Maintains optimal airflow for fuel efficiency and power
• Reduces engine wear by filtering harmful particles
• Supports heavy-duty engine operation under harsh conditions
• Helps maintain emission control system performance

Installation Notes and Tips

When installing the Wix 42809 engine air filter, ensure the air filter housing is clean and free of debris. Confirm the filter’s orientation matches the corrugated style design and that the closed top fits securely in the air intake assembly. Replace the filter according to the vehicle manufacturer’s recommended service intervals or when performance issues arise.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for heavy-duty air filtration. The 42809 model undergoes rigorous quality control to ensure consistent performance. While specific warranty details are not provided here, Wix typically offers warranties covering defects in materials and workmanship. Consult Wix or your parts provider for exact warranty terms.