APDTY 112530 Fuel Injector O-Ring Repair/Rebuild Kit For Ford Power Stroke 6.0L Diesel Engine/Navistar 6.0L Diesel Engine (Re-Seals All 8 Injectors) (Replaces 3C3Z 9229-AA) Includes Orings To Rebuild All 8 Ford 6.0L Diesel Injectors Exact OE Fit Form & Function