Protect your heavy-duty engine and maintain dependable airflow with the Fleetguard AF25707 OptiAir™ Primary Air Filter. Engineered to meet demanding equipment requirements, this filter uses high-quality cellulose media to deliver 99.94% full-life efficiency under the ISO 5011 test standard, helping prevent dust, dirt, and other airborne contaminants from reaching critical engine components.
The OptiAir design supports longer service intervals, reduced maintenance downtime, and lower operating costs while delivering excellent airflow and engine protection. The AF25707 measures approximately 16 inches high with a largest outside diameter of 10.22 inches. It is commonly used in compatible International WorkStar, DuraStar, ProStar, and HV truck applications.
Key Features
- OptiAir primary engine air-filter element
- 99.94% full-life filtration efficiency
- Tested according to the ISO 5011 standard
- Durable cellulose filter media
- Helps maintain clean, consistent engine airflow
- Supports extended service intervals and reduced downtime
- Overall height: approximately 16 inches
- Largest outside diameter: approximately 10.22 inches
- Designed for select International heavy-duty truck applications
Fitment Notice: Verify the AF25707 part number, dimensions, cross-reference information, and vehicle compatibility before ordering.
