7.3L Injector Return Line installation kit
Fits Navistar, 7.3L IDI engine
Ford Pick ups and Vans 1987-1994
IH mid size trucks 1987-1994
Turbocharged and naturally aspirated engines.
Note: We highly recommend our advanced kit for turbocharged engines. More materials to facilitate better routing options.
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We sell the best Return Line Kits because we understand the IDI better than anyone else!
Kit includes everything needed to install 8 injectors.
7 feet of high quality braided hose (7mm / 1/4")
8 return hose adapters / injector caps (4-straight, 4-90*)
8 copper washers
16 o-rings
18 spring clamps
2 VacTees
4 Olives of 2 sizes
Installation tips and routing options
This item is for the late style kit originally found on the late 7.3L engines. It includes 7mm / 1/4" hose, injector caps, and clamps and utilizes the offset style injector caps. This kit can also be used in place of the early style 5mm / 3/16" kit for the 6.9L with minor adapting if desired.
We also sell stock (I.E. "standard") 6.9 and advanced 6.9 kit and 7.3 return kits.
Does not fit the Powerstroke/T444E direct injected engine that replaced the idi in 1994. We have seal kits for those injectors.