Upgrade your heavy-duty engine's performance with the Donaldson RadialSeal primary air filter. Crafted with high-efficiency cellulose media, it excels in a diverse range of applications, ensuring reliable filtration. 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 extending the filter's service life. This filter proudly meets ISO 5011 standards, ensuring top-notch quality and dependability. With precise measurements of 17.75 inches in length, 9.31 inches inside diameter, and 13.84 inches outside diameter, it offers tailored filtration solutions for your specific needs.