This authentic Donaldson P778340 Air Filter is designed for heavy equipment and trucks, delivering OEM-approved quality and outstanding performance. Developed to meet rigorous standards, its efficient cellulosic media provides 99.9% filtration efficiency under ISO 5011 testing—ensuring your equipment runs smoother and lasts longer. Item usually ships within 1 business day.

Technical Specifications

• Outer Diameter: approximately 104 mm
• Inner Diameter: approximately 63 mm
• Length: approximately 256 mm
• Overall Length: approximately 268.7 mm
• Bolt Hole Diameter: approximately 6.9 mm
• Filter Weight: 0.64 Kg
• Efficiency: 99.9% (ISO 5011)

Key Benefits

• Covered by an OEM manufacturer warranty and design
• Perfect for replacement in industrial and agricultural settings
• High-performance cellulosic media for effective filtration
• Includes cross reference DIAMOND DX021 for added compatibility

Enjoy reliable filtration and steady engine performance with this premium air filter. Its precise design not only maximizes airflow but also helps maintain engine longevity. For more top-quality air filters, check out our Air Filters collection and experience the Everything Truck Parts difference.