Removes & Installs the Water Sensor on 2001 to 2011 6.6L Duramax Diesel Engines. For 2012 and newer 6.6L Duramax engines use 34900 Water Sensor Wrench, Late Model. For 2001 to 2011 6.6L Duramax engines with aftermarket water sensors, use 34910 Water Sensor Wrench, Aftermarket.
Use when replacing the fuel filter or when servicing the water sensor. Plastic sensor has a 12 sided design that is easily damaged by tools, like pliers, that do not specifically fit the sensor.
