I rebuilt the stock assembly with a Bosch pump from Rock Auto. It's been going strong over 100k miles. Also threw a new pressure regulator on top. Fixed my pressure issue of having to turn the key off and on several times before cranking to build up pressure.
Bosch from Napa was the one for me.
I finally found a new Made in Germany Bosch fuel pump and no more issues.
I'm on my 5th year on Airtex in my gmt800 and gmt 400.
If you\u2019re keeping this thing it might be worthwhile to drop the extra on the GM/Bosch/ or Delphi.
I went that route and haven’t had any issues, a cold snap of -28f finally did mine in a few years ago after hitting 300k.
I had this problem for well over a year, then my fuel pump died. Installed a Bosch because I felt the stalling problem, after lots of research, could be due to faulty pumps ..even new ones. The car didn't stall again under 1/4 tank for many months until all of a sudden, it did it again ..a few times.
The Bosch fuel pump I got was dead on arrival. Didn't work at all. Then went with Motorcraft and haven't had any issues.
Proper diagnostics aside, if you end up replacing the pump, stay away from Airtex.
I bought an “Airtex” brand pump from RA a little less than two years ago. It was starting to fail so just replaced it. Two years is too short.
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