Denso 2017+ Duramax L5P/L5D 6.6L High Pressure Fuel Pump Spring Loaded The regulator can be set

The regulator can be set up to run as a regulated return or it can be used on the pressure side of the fuel pump with a return ran back to the tank

compressor

and a clean install every time

ATS Diesel Model 314-180-2326

Denso 2017+ Duramax L5P/L5D 6.6L High Pressure Fuel Pump Spring Loaded The regulator can be setModel: 294050 0701 Denso 2017+ Duramax L5P L5D 6. 6L High Pressure Common Rail Fuel Pump Cross Reference: 12678993, 12678993N, 126701094, 2940500701, DFD516238380199, HU2940500701, 08T05199, 12676904, AP54850, 6040608C91 Features: New stock 2017+ 6. 6L Duramax L5P L5D HP4 High Pressure fuel pump 1 year unlimited mileage warranty Includes Pump Gear