Donaldson P539473 Primary Round Air Filter

The Donaldson P539473 is a heavy-duty primary round air filter designed for demanding engine applications in construction, agricultural, and industrial equipment. This high-performance filter measures 17.5 inches in length with a 9.21-inch outer diameter, providing exceptional filtration efficiency rated at 99% per ISO 5011 standards.

Key Features:

• High-efficiency cellulose media performs across a wide range of heavy-duty engine applications
• Corrosion-resistant coated steel liners support media during operation and maximize airflow
• Pleatloc™ technology ensures uniform pleat spacing and prevents media bunching for extended service life
• Strong, pliable gasket compresses against air cleaner housing to create a tight seal
• Round style design with 5.87-inch inner diameter and 0.66-inch bolt hole diameter

This filter is compatible with Case IH Steiger tractors and various heavy equipment models. Cross-references include Baldwin PA2673, Fleetguard AF4754, Fram CA7220, Wix 46710, and Luber-Finer LAF1864. OEM applications include Case IH 906443T1, Allis-Chalmers 264744, and Ingersoll Rand 22119168.