Elevate your heavy-duty engine's performance with the Donaldson primary air filter. Crafted with high-efficiency cellulose media, it excels in a wide array of demanding applications, ensuring reliable operation without compromise. The corrosion-resistant, coated steel liners provide robust support to the media, optimizing airflow for maximum efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and promoting an extended service life. This filter meets ISO 5011 standards, assuring top-notch quality and dependability. With precise dimensions of 5.35 inches in length, 4.04 inches inside diameter, and 8.05 inches outside diameter, it delivers tailored filtration solutions for your specific needs.