Fitment:12639277 Water level sensor Replacement for 2001-2011 Sierra Engine Truck and 6.6L Duramax Silverado
Replaces OEM part number:12639277,12639450, 97384931.
Function:If the water content of the fuel filter reaches the upper limit,the sensor will send the signal to the electronic control device or the dashboard,and will light the corresponding fault warning light to the driver,so as to avoid the occurrence of safety hazards during the driving process
Material: Shell is plastic,O-ring is rubber,Color is white
Note:Our sensor is an 8-sided design,not the OEM's 12-sided design.So choose the right tool to install this sensor.(No installation instructions)