Component: A combination of 1 x TP3018 fuel filter,1 x 12642623 fuel filter head,1 x 12639277 water in fuel indicator sensor.
Fitment:2004.5-2013 Duramax 6.6L Chevrolet Silverado and GMC Sierra Engine fuel filter.Will work on 2002 2003 2004 But the hoses do need to be modified or lengthened.
12642623 Fuel filter head:Made of billet aluminum,electrophoresis process to protect it from oxidation and corrosion,easy to clean.Includes a heater plug.The aluminum air bleeder screw on the head which replaced plastic OEM screw was more durable.
Water in fuel indicator sensor:Fit 2001-2011,8 sided desigh,which is not same as OEM's 12 sided.Let the Engine Control Unit(ECU) and/or dashboard lamp indicator know when water detection has occurred in the vehicle's fuel supply.
