Elevate your engine's performance with the Donaldson primary air filter. Engineered with high-efficiency cellulose media, it excels across a broad spectrum of heavy-duty applications. The corrosion-resistant, steel liners provide crucial support to the media, ensuring maximum airflow efficiency. Thanks to the innovative Pleatloc feature, you can rely on uniform pleat spacing, preventing media from bunching and promoting an extended service life. This filter adheres to ISO 5011 standards, reflecting Donaldson's commitment to excellence. With a length of 10.13 inches, an inside diameter of 2.48 inches, and an outside diameter of 4.09 inches, it's the trusted choice for your engine's air intake system.