Applicable Model: The air leak test tool kit is a replacement for Ford Powerstroke 6.0L 7.3L Diesel engines, for VT36 T444E Diesel engines. Main Function: Dual purpose test tool, monitoring system performance with the analog gauge or testing air leak, check the leak in the engine oil system that runs fuel injectors. Durable Designed: The oil leak test gauge tool kit is made of copper, steel and rubber, treated with high temperature resistance and anti corrosion, solid and durable. Simple Operation: Simply supply the shop air pressure via the ICP sensor port or the available oil rail port and connect the 12V to the IPR, no need to disassemble the IPR valve or screw it into the IPR. 1 x Air Leak Test Tool Kit (18 Pcs). We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.