C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Delphi pump sending unit

Old Jun 21, 2011 | 07:53 AM
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Default Delphi pump sending unit

Well I found part of my problem . My 1991 pump / hanger sending unit was rusted so bad it was letting water in the tank . And the pulsator was shot . The only replacement assembly I can find so far is a Delphi hp10031 any body had any experience with one of these ?
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Old Jun 21, 2011 | 10:40 AM
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Originally Posted by mikebassman
Well I found part of my problem . My 1991 pump / hanger sending unit was rusted so bad it was letting water in the tank . And the pulsator was shot . The only replacement assembly I can find so far is a Delphi hp10031 any body had any experience with one of these ?
Mike,
It looks like a direct replacement and Amazon has them pretty cheap:
http://www.amazon.com/Delphi-HP10031.../dp/B001FIKCG8

$239.00 free shipping

Mick
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Old Jun 21, 2011 | 11:49 AM
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I put one in over 5 years ago. It works fine.
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Old Jun 21, 2011 | 02:28 PM
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Get the Racetronix kit and bypass the pulsator.
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