Elevate your heavy-duty engine's performance with the Donaldson RadialSeal primary filter. Its dependable, leak-resistant design ensures a secure fit even in high-vibration environments. The high-efficiency cellulose media, coupled with corrosion-resistant steel liners, maximizes airflow, ensuring top-notch operation. Thanks to the Pleatloc feature, you can count on uniform pleat spacing and extended filter life. This primary filter meets ISO 5011 standards, providing superior quality. With dimensions of 14.06 inches in length, 4.82 inches inside diameter, and 8.17 inches outside diameter, it's the optimal choice for heavy-duty applications.