Donaldson P771559 Primary Air Filter Assembly

The Donaldson P771559 is a primary round outer air filter element designed for heavy-duty engine intake systems. It features high-efficiency cellulose media with Pleatloc pleat spacing to maintain airflow and filter life under severe dust conditions. Corrosion-resistant coated steel liners provide structural support to the media pack. A pliable gasket ensures a positive seal against the air cleaner housing. This filter serves as a direct replacement for numerous OEM part numbers across agricultural, construction, and industrial equipment platforms. Key OEM references include Case IH 114596C91, 529854R2, and 67589C1; Caterpillar 3I0218 and 3I0258; Leyland-DAF 37H6186; and JLG P771559. Major aftermarket cross-references include Baldwin PA2391 and Fleetguard AF4061. The filter is manufactured in the Czech Republic and weighs approximately 0.91 kg.