The Fleetguard AF4078 Air Filter is built to safeguard heavy-duty engines in trucks, buses, construction, and agricultural equipment. Designed as the primary air filter, it delivers optimal engine performance by preventing leaks and blocking harmful contaminants.

Key Features

• Primary air filter with an axial seal that prevents leaks and blocks contaminants
• “Outside in” flow design for efficient and consistent airflow
• Precise dimensions and performance data ensuring rated flow and full-life efficiency at 99.95%
• Meets stringent efficiency standards such as ISO 5011

Technical Specifications

• Dimensions: Detailed measurements for the largest internal diameter, height, and largest outer diameter, provided in both mm and inches
• Flow Requirements: Calibrated to handle high-flow conditions in heavy-duty engines
• Compatibility: Includes OEM part numbers and substitutes from other trusted brands for easy matching with your vehicle’s requirements

Benefits & Applications

• Extended engine life through enhanced air filtration
• Lower maintenance with consistently high-efficiency performance
• Perfect for heavy-duty trucks, buses, construction equipment, and agricultural machinery
• Optimized air intake for reliable engine performance under extreme conditions

At Everything Truck Parts, we are dedicated to providing genuine, brand-new parts that ship quickly with no minimum order requirement. Explore our complete range of genuine Fleetguard air filters in our Air Filters Collection to find the perfect match for your vehicle’s needs.