Whats a good Fuel pump upgrade

[Andrew Reynolds]

I have an LS Swapped 99 suburban and I got it all running but my fuel pressure at the rail is only 40psi so I am sure its my tired pump (247,000 miles) and I could probably replace it with a stock replacement. however i see that Walbro makes a 255lph drop in unit for around $200 Tu447hp and tu42hp although I am not sure of the difference. I recall seeing somewhere there was a replacement pump only instead of the whole module. Anyone have a part number for that?

 

[nyceguy01]

Ive had the best luck with a plain old AC Delco EP381.
Running one in my 2002 8.1, my 76 Blazer ( FiTech injected ), and just swapped a 2nd bad Delphi out for one in my Tahoe.
Its also super easy to find and under $100...

 

[Andrew Reynolds]

Bumping this thread. I have a pump that has 2 inlets, one pulls from inside the pump module and one from the bottom of the tank. The ep381 has just one it seems.

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