Elevate your heavy-duty engine's performance with the Donaldson RadialSeal primary air filter. Crafted with high-efficiency cellulose media, it excels in a wide array of applications, providing reliable filtration. The corrosion-resistant, coated steel liners offer robust support to the media, optimizing airflow for maximum efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and extending the filter's service life. This filter proudly meets ISO 5011 standards, ensuring top-notch quality and dependability. With precise measurements of 11.75 inches in length, 5.91 inches inside diameter, and 10.41 inches outside diameter, it delivers exceptional filtration tailored to your specific needs.