Good luck finding one. From what I have seen unless you can find some off-brand aftermarket piece you will need to replace the entire fuel pump.
Install a manual gauge to check actual pressure or try Replacing oil sending unit
check that the fuel pump is not loose
There's a couple of answers to this post if you search.
On the bottom/back of the engine
in gas tank
10 bucks, its a easy fix.
do i need to change the manifold when replacing thermostat
The 95 Lumina with a 3.1 engine does not have a temperature sending unit. Instead, the dash temp gauge is controlled by the engine coolant temp sensor. This sensor is located on the driver's side, top of the engine.
Its in the gas tank with the sending unit and fuel pump
Under a plastic shield below the glove box.
Mounted next to the oil filter.
The Celebrity was replaced by the all-new Lumina.