Shonee 12-point oil filter wrench is designed to remove and install the water sensor located on the fuel filter on 2012, newer 6.6L Duramax Diesel engines.
Ibetter Fuel Filter Wrench, Water Sensor Wrench for Chevy/GMC 6.6L Metallic
6 Inch And 8 Inch Fuel Filter Wrench Set For Diesel Truck Fuel Water Separator
Black Fuel Filter Oil-Water Separation 130306380 Oil-Water Separator For Perkins