16 O-rings, 2 for each Injector. Cure Hard Starting due to air leaking into the fuel system . This kit can do up to three things for your truck. Use this kit to install your new or rebuilt injectors to help the job run trouble free.
For 7.3 IDI 6.9 IDI Diesel Fuel Line Upgrade From Filter Head To Injection Pump
For 83-94 Ford 6.9L 7.3L IDI Diesel Fuel Filter Housing & Fuel Bowl 1809433C1-G
Fit Ford F150 F250 F350 6.9L 7.3L IDI Diesel Fuel Injection Lines 1983-1994