Upgrade your engine's performance with the Donaldson primary air filter. Crafted with high-efficiency cellulose media, it excels in a wide range of heavy-duty applications. The corrosion-resistant, coated steel liners provide essential support during operation, maximizing airflow efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and ensuring a longer service life. This filter meets ISO 5011 standards and comes with precise dimensions of 16.00 inches in length, 6.04 inches inside diameter, and 10.40 inches outside diameter.