6.7L Cummins Injectors and Fuel Lines – Fuel Drain Line Restriction – Setup

Front Gear Train
Remove the banjo bolt from the fuel return line located on the right side of the filter head (1 ).
Install the banjo bolt, Part Number 4918413, in place of the banjo bolt.
Install CompuchekTM fitting, Part Number 3824842, into the banjo bolt.
Attach a fuel pressure gauge to the CompucheckTM fitting.

Rear Gear Train
Remove the OEM fuel drain line from the high pressure injection pump drain connection.
Install the fuel pressure gauge adapter kit, Part Number 4918324, into the drain connection.
Install the OEM fuel drain line to the flow through the banjo bolt used from the kit.
Attach the fuel pressure gauge.