6.7L Cummins Injectors and Fuel Lines – Fuel Filter (Spin-On Type) – Remove

NOTE: The following steps can be used for replacing the pressure side and suction side fuel filter.
Use fuel filter wrench, Part Number 3398231. Loosen and remove the fuel filter.
Make sure the o-ring does not stick to the fuel filter head.
Remove the o-ring with an o-ring pick, if necessary.