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P181009

AIR FILTER, PRIMARY ROUND

This is a Donaldson primary round air filter for heavy-duty engine air intake systems. It uses high-efficiency cellulose media with a strong gasket that compresses against the housing to create a tight seal, preventing unfiltered air from reaching the engine. The filter features corrosion-resistant coated steel liners and Pleatloc technology that maintains uniform pleat spacing for longer service life. It is typically replaced when clogged or according to the vehicle’s maintenance schedule to protect the engine from abrasive dust and debris.