Elevate your engine's performance with the Donaldson RadialSeal primary air filter. Crafted with precision, this filter features high-efficiency cellulose media that excels across a diverse range of heavy-duty engine applications. Its corrosion-resistant steel liners, coated for added durability, provide steadfast support during operation, optimizing airflow for peak efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and extending the filter's service life. Compliant with ISO 5011 standards, this filter meets rigorous quality benchmarks. With a length of 17.99 inches, inside diameter of 6.77 inches, and outside diameter of 12.09 inches, it's engineered to deliver unparalleled performance.