Cat Products

[wlrdlr49]

I am having a problem w/my 96 3176 cat engine. It sat for several years & it ran fine when I parked it. Now it won,t start. I drained the fuel tank & filled & installed new filters. I have fuel pressure @ the air bleed. I want to check the fuel pressure. I found a plug on top of the filter housing but it is a standard thread not a pipe thread. Is that the only place to check pressure & if so what kind of fitting do I need  to connect my fuel pressure gauge & where would I find it ? I have been to several parts & hardware stores. THNX

[dave10010]

The port in the fuel filter base is 7/16"-20 thread, straight thread o-ring boss fitting. Cat part number 3J7352 will work. 7/16 straight thread to #4 JIC.

[wlrdlr49]

Hello,I,m back.I had pneumonia & the truck is outside so I thought I should stay in. Is the part # you list for a replacement plug or a fitting that I can attach a gauge to? I have the oem plug.The reason that I am checking the pressure is that it won,t start. It sat for a couple of years,ran great when I parked it but it won,t start now. I drained the fuel tank,added new fuel,changed the filters but it still won,t start.I was told that it might be the fuel pressure. I just went out & took the plug out after sitting since we talked last,& it had pressure still.Do you have any ideas why it wont start?