Elevate your heavy-duty engine's performance with the Donaldson primary air filter. Its high-efficiency cellulose media excels across a wide range of applications, ensuring optimal operation without compromise. The corrosion-resistant, coated steel liners provide robust support to the media, maximizing airflow for enhanced efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and extending the filter's service life. This filter meets ISO 5011 standards, assuring top-notch quality and dependability. With precise dimensions of 12.01 inches in length, 4.25 inches inside diameter, and 6.85 inches outside diameter, it delivers tailored filtration solutions for your specific needs.