looking for a fuel pressure test port fitting

Matt Hixson

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Big Lake, WA, USA
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Matt
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Hixson
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My 1996 Hummer (GM 6.5 TD) came with this brass fitting in its fuel line for attaching a fuel pressure tester. Does anyone know where I can find another one of these?
Thanks,
-Matt
 

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You should be able to get a schrader valve with 1/8 npt threads on the other side and use a 1/8 npt female by barb by barb T. At least that would be my best scenario on replicating that without a lot of research
 
I'm not familiar with that exact fitting, and hard to tell the type of fitting with the cap on, but it kind of looks like a high pressure R-12 refrigerant fitting maybe? Either way if it were me I would change it over to a more industry standard connector like a Compucheck test port fitting.