Donaldson P181002 Primary Round Air Filter 12.09" OD x 18.50" Length

The Donaldson P181002 is a heavy-duty primary air filter designed for a wide range of commercial and industrial engine applications. This round-style air filter delivers exceptional filtration performance with 99.9% efficiency, meeting ISO 5011 testing standards to protect engines from harmful dust and contaminants.

Key Features:

• High-efficiency cellulose media for superior filtration across heavy-duty applications
• Corrosion-resistant coated steel liners support media and maximize airflow
• Pleatloc™ technology ensures uniform pleat spacing and prevents media bunching for extended service life
• Strong, reliable gasket creates a tight seal against the air cleaner housing
• 12.09-inch outer diameter and 7.72-inch inner diameter for precise fitment
• 18.50-inch overall length designed for optimal filtration capacity

Donaldson has been an industry leader in filtration technology since 1915, delivering proven performance for on-road and off-road equipment. The P181002 is compatible with Donaldson FHG16 Cyclopac air cleaner assemblies and cross-references to numerous OEM part numbers including Baldwin PA1846 and AC Delco A394C. This primary filter works in conjunction with safety filter P119372 for complete engine protection.