Amazon: duramax fuel filter wrench Amazon: duramax fuel filter wrench. iFJF Billet Aluminum Air Bleeder Screw Replacement for GM 2001-2017 Duramax Diesel Fuel Filter(Blue) 4.7 out of 5 stars 119. $6 $ 6. 98. FREE delivery. PPE WATER LEVEL SENSOR WRENCH 2001-2011 CHEVY GMC Automotive Hand Fuel Filter Wrenches for sale | eBay Water Sensor Wrench for 6 GM Duramax Diesel Fuel Filter CHEVY GMC LB7 LLY Removes and installs the water sensor on 2001 and newer 6.6 liter Duramax diesel engines. This water sensor wrench has a 12-sided design that is easy to help you quickly and efficiently replace or repair.