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Delphi HP10173 fuel pump assembly

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    Delphi HP10173 fuel pump assembly

    Anyone have experience with this part? I’m going to see if I can get a warranty refund or replacement on the Walbro 155lph that I put in my Mercury a few weeks ago; however, I was looking at this assembly on Rock Auto and think about just getting one of these. The RA price is roughly what I paid for the Walbro pump from LMR. According to their specs, it flows 34 GPH, which is equivalent to 128 LPH. That should be more than enough for my planned engine combo. My original pump was also a Walbro and lasted 31 years, but the new one barely lasted a month. Perhaps troubleshooting may lead me somewhere else, but I’ve always heard good things about Delphi parts. What do y’all think?

    https://www.rockauto.com/en/parts/de...assembly,10147
    —John

    1985 Ford F-150 XLT Lariat
    1990 Mercury Grand Marquis LS (POTM March 2017 & May 2019 - gone, but not forgotten)
    1995 Mustang SVT Cobra coupe (cream puff)
    1966 Mustang coupe (restoration in-progress)
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