Elevate your engine's performance with the Donaldson primary air filter, designed to excel in heavy-duty applications. Its high-efficiency cellulose media ensures top-notch filtration, while corrosion-resistant steel liners provide robust support and enhance airflow. The Pleatloc feature maintains consistent pleat spacing, preventing media bunching and extending the filter's service life. Compliant with ISO 5011 standards, you can trust in its reliability. With precise measurements of 15 inches in length, 3.64 inches inside diameter, and 5.24 inches outside diameter, it's tailored for optimal performance.