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  1. #1

    Default 1984 OMC stinger sterndrive water pump impeller didn't last long

    I installed a new impeller kit last year and it has already broken off all of its blades. Everything went together just fine and looked correct. I took it apart and all the blades were still soft rubber so I can't figure out why it went out so soon. The original impeller lasted for 30 years. I'm buying a new one to install but just wanted to know if anyone would know why it went out so soon so the next impeller doesn't do the same. Thanks

  2. #2
    Join Date
    Sep 2010
    Posts
    18,152

    Default Re: 1984 OMC stinger sterndrive water pump impeller didn't last long

    Was this a factory repair kit / impeller ?-------Or something else that was cheaper ?

  3. #3

    Default Re: 1984 OMC stinger sterndrive water pump impeller didn't last long

    Quote Originally Posted by racerone View Post
    Was this a factory repair kit / impeller ?-------Or something else that was cheaper ?
    It was a sierra water pump kit

  4. #4

    Default Re: 1984 OMC stinger sterndrive water pump impeller didn't last long

    Quote Originally Posted by racerone View Post
    Was this a factory repair kit / impeller ?-------Or something else that was cheaper ?

    Is the Sierra part cheaply made?

  5. #5
    Join Date
    Sep 2010
    Posts
    18,152

    Default Re: 1984 OMC stinger sterndrive water pump impeller didn't last long

    I did work in a tire factory for a 1 1/2 years.-------They are all black but they are not all the same.----Or as some have said----" The bitterness of poor quality is remembered long after the sweetness of a low price is forgotten "

  6. #6
    Join Date
    Jan 2017
    Location
    Salem Oregon
    Posts
    145

    Default Re: 1984 OMC stinger sterndrive water pump impeller didn't last long

    Quote Originally Posted by bdirks View Post
    Is the Sierra part cheaply made?
    no, not generally but they could of gotten a bad batch... sierra supplies parts industry wide and are considered to be as good as oem.
    make sure the metal liner in the waterpump housing isnt damaged/deformed and catching on the blades of the impeller.

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