The CUMMINS 20.47" x 17.28" OD air oil separator is designed for high separation efficiency, ensuring minimal oil blow-by which enhances engine performance. By effectively filtering oil from air, it reduces engine wear and promotes longer engine life. Its custom-fit dimensions provide optimal compatibility for specific applications, ensuring a seamless integration into the system. It enhances air quality in the engine system, contributing to improved overall operation stability and minimizes maintenance intervals by efficiently capturing and retaining more oil.