Diesel Fuel Pressure Thread Adapter for Chevrolet GM Duramax 6.6L
MaxTow's Fuel Pressure Adapter is specifically designed for the 2001-2017 GM Duramax 6.6L Diesel Truck. This adapter replaces the factory bleeder screw with an 1/8-27 NP adapter to easily install your fuel pressure sender. Thread Size: M10 – 1.5 to 1/8-27 NPT Thread.
Product Reviews
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Duramax pressure on the cheap
Posted by Shawn on
I had a fuel pressure vacuum gauge (harbor freight) but was not able to get it hooked up to the test port (shrader valve). I was going to get an aftermarket adapter or buy a gauge from kennedy, but did not want to drop the coin. With this adapter I can test fuel pressure at each fuel filter head. I have a secondary filter and wanted to isolate the primary. I am getting the typical 2-3" Hg with a fresh filter and 6+ after using (after a top end clean). It is somewhat of a pain to have to connect this thing up to test, but I don't do it that often. I may use this in a more permanent setup and just run hoses through the firewall to monitor.
