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The latest version of the PS-308 is aluminum and made in Mexico. Mine lasted about a month.
I just called advanced auto and auto zone. They both have different parts. One is a borg warner and the others are ac delco and couple others. I asked for a oil pressure sending unit for a 97 c5 corvette and they came up with one specific part.
I then asked them about the PS-308 and they came up with another part which is a oil pressure switch?
Need the oil pressure sending unit of course, but getting kinda confused between the PS-308 which everyone speaks of on the forum and at the parts store they say it something different than what I need?