6.6L diesel. Bypass Pipe to Lower Thermostat Housing. You can rest assured that we are available for you before, during, and after the sale. We cannot take back installed or tried parts. We cannot take back used parts.
Genuine GM Filler Pipe 10321839
Genuine GM Filler Pipe 10178637
Genuine GM Outlet Pipe Seal 12581530
Genuine GM Filler Pipe 60009042
Genuine GM Inlet Pipe Retainer Clip 88996648
Genuine GM Filler Pipe 10424501
