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1970 GS455 Heater Control Valve

Discussion in 'The Big Chill' started by Jamie Carnes, Feb 21, 2015.

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  1. Jamie Carnes

    Jamie Carnes May the Torque be with you.

    Does anyone happen to know if a correct replacement is made for the factory heater control valve that would have been on the '70 GS455? My assembly manual suggests that the part number would have been 1369561, and my GM parts catalog lists 1230573 as a replacement.

    Buick Farm lists part number 9774799 as a possible option, but the outlet of my original unit is not threaded like the one in the photo at their link. Perhaps this doesn't matter as far as fit and function are concerned. I just hope to avoid ordering a part that is not correctly vacuum-controlled. Their link is below.

    http://www.buickfarm.net/index.php?option=com_redshop&view=product&pid=6370&Itemid=3#
     
    Jamie Carnes, Feb 21, 2015
    #1
  2. mrolds69

    mrolds69 "The Cure"

    The # is 1231105. They are on ebay. Some had a ruffled edge.
     
    mrolds69, Feb 21, 2015
    #2
  3. Jamie Carnes

    Jamie Carnes May the Torque be with you.

    Thank you for the information. My factory parts catalog mentions 1231105 as well; however, it is listed there as being the unit used with manual (not sure if this refers to the transmission type or to the type of A/C control) and A/C. I'm not really sure what the difference would be, if any.
     
    Jamie Carnes, Feb 21, 2015
    #3
  4. GS Spoken Here

    GS Spoken Here Well-Known Member

    GM parts direct

    1231105 - VALVE

    GM PART # 1231105
    CATEGORY: All
    PACK QTY: 1
    CORE CHARGE: $0.00



    List Price: $36.88
    Price: $19.92
    You Save: $16.96 (46%)

    DESCRIPTION: VALVE
     
    GS Spoken Here, Feb 21, 2015
    #4
  5. Duane

    Duane Member

    FYI
    I make and sell the rubber insulator ring that goes around these units for $25.00 plus shipping.
    Wanted to let you know in case you need one.
    Duane
     
    Duane, Feb 22, 2015
    #5
  6. Jamie Carnes

    Jamie Carnes May the Torque be with you.

    Thanks to everyone for the help! I will contact GM Parts Direct.

    Duane, I will be in touch. :)
     
    Jamie Carnes, Feb 22, 2015
    #6
  7. Jamie Carnes

    Jamie Carnes May the Torque be with you.

    GM Parts Direct advises that part number 1231105 (heater control valve) has been discontinued by GM and is no longer available from them. I just received the information from one of their customer service agents this morning.

    FYI
     
    Jamie Carnes, Feb 23, 2015
    #7
  8. CJay

    CJay Supercar owner Staff Member

    Its Four Season part #74604. it replaces 1231105. $16 from Rock Auto or any auto parts store worth its salt
     
    CJay, Feb 23, 2015
    #8
  9. Jamie Carnes

    Jamie Carnes May the Torque be with you.

    Thank you. I was able to cross-reference the 4-Seasons part number with one offered at a nearby AutoZone and get one ordered. It 's strange that, when they look up the specific car, the part is not available. Their cross-reference system must leave a lot to be desired.

    Duane - if you are still watching this thread, I sent you a PM about the rubber insulator ring. I am interested in buying one from you.
     
    Jamie Carnes, Feb 24, 2015
    #9

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