The Donaldson P181021 Air Filter is a high-performance, primary round air filter engineered to provide exceptional engine protection and efficiency. Its innovative design effectively captures contaminants, ensuring your engine receives cleaner air for optimal performance.

Key Features

• High-efficiency cellulose media achieves up to 99.9% particulate filtration
• Durable, corrosion-resistant coated steel liners prolong service life
• Unique Pleatloc™ technology maintains consistent pleat spacing to prevent bunching
• Robust gasket performance seals securely with the air cleaner housing
• Meets ISO 5011 standards for dependable, standardized performance

Technical Specifications

• Overall Length: 254 mm / 10.00 inches
• Overall Diameter: 264.3 mm / 10.41 inches
• Internal Diameter: 153.3 mm / 6.04 inches
• Bolt Hole Diameter: 16 mm / 0.63 inches
• Optimized media density improves airflow efficiency

Quality & Origin

Made in the United States, the Donaldson P181021 Air Filter is a brand-new genuine part manufactured to the highest quality standards.

Shipping & Service

Order today and take advantage of competitive pricing with fast shipping—items typically ship within 1 business day, and there are no minimum order requirements. Purchase now with confidence and boost your vehicle’s performance. For more Donaldson products, check out our Donaldson Collection or explore our vast selection in the Air Filters section.