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Water pump housing O ring size.

Discussion in '308/328' started by TommyA, Oct 11, 2019.

  1. TommyA

    TommyA Formula Junior
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    #1 TommyA, Oct 11, 2019
    I need to put the water pump housing back on the motor this weekend and forgot to get the O ring. Does anyone know the size?
    Thank in advance.
     

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  2. BigTex

    BigTex Seven Time F1 World Champ
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    #2 BigTex, Oct 11, 2019
    I had a recent thread on it, that showed the Ferrari part number, also the Tstat and tri flange gasket.
    I actually went to the dealer and bought them!
    $$$$$

    In my early car its actually NOT an o ring, it's a channeled edge seal that rides the flange of the T stat.
    I suppose you could use a coating of Forma gasket and reuse your old one, unless it's badly cracked or actually broken??
     
  3. Martin308GTB

    Martin308GTB F1 Rookie

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    #3 Martin308GTB, Oct 11, 2019
    Last edited: Oct 11, 2019
    34,59 x 2,62 mm. Sounds exotic, but it's a standard size. At least over here in the metric world.
    Since it's for hot coolant, it must be made from EPDM. Not the more common NBR.

    Best from Germany
    Martin
     
  4. TommyA

    TommyA Formula Junior
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    #4 TommyA, Oct 11, 2019
    It's all flat :( I can't reuse.
     
  5. TommyA

    TommyA Formula Junior
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    #5 TommyA, Oct 11, 2019
    Just a quick look on the internet I come to realize that is pretty standard size across the pond... I guess will convert it and hit the local stores to try and get one. Thank you
     

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  6. Martin308GTB

    Martin308GTB F1 Rookie

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    #6 Martin308GTB, Oct 11, 2019
    I forgot to mention; BigTex is talking about the thermostat gasket and thermostat cover gasket.
    I assume you meant the 0-ring between waterpump/ thermostat housing and engine block. That's what I referred to with my post above.

    Best from Germany
    Martin
     
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  7. TommyA

    TommyA Formula Junior
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    #7 TommyA, Oct 11, 2019
    Yes the O ting between the block and housing. Does it interchange with any vehicle that you know of?
     
  8. TommyA

    TommyA Formula Junior
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    #8 TommyA, Oct 11, 2019
    34.59 is OD or ID ?
     
  9. Martin308GTB

    Martin308GTB F1 Rookie

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    #9 Martin308GTB, Oct 12, 2019
    ID.

    Sorry. Don't know of any.

    Best from Germany
    Martin
     

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