Duramax Oil Cooler Outlet Plate. 6061 Billet Aluminum with -12 AN Ports Designed to work with Multiple routes of oil cooler configurations for a clean final install look and functionality. Designed to match factory OEM O Ring Gaskets. Kit includes One Outlet Block and 3 Stainless Cap Screws for clean install. Fits 2001-2016 Series Duramax Motors. Made in house and Made in the USA.