1999-2003 Powerstroke 7.3L BD Diesel Bypass Tube Eliminator Kit (1600036)For the Ford 4R100 transmission, the Bypass Eliminator kit allows for the removal of the cooler bypass tube assembly which has a history of failing and bypassing the transmission cooler when you need it the most. Kit includes two aluminum shunts plus sealing washers and is a handy preventative maintenance item when installing transmissions, coolers and filter kits, or, performing general service work.