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Radiator Drain Plug 1977

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Old Sep 7, 2018 | 12:50 PM
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Radiator Drain Plug 1977

I am going to need a Radiator Drain Plug. it's going to be a challenge over here. Do you know the size of the threads when outside diameter is 13.7 mm? ( F150 4x4 aut, no A/C 1977) Thanks!
 
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Old Sep 7, 2018 | 01:02 PM
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Could it be NPT 1/4? Do you know were I can order a Radiator Drain Plug?
Thanks!
 
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Old Sep 7, 2018 | 01:43 PM
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It should be pipe thread (NPT). It could be 1/8, 1/4, or 3/8. Rockauto.com lists them all. Do you have any parts stores over there? (NAPA, Autozone,etc.)https://www.rockauto.com/en/catalog/...n+petcock,2176
 
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Old Sep 7, 2018 | 03:14 PM
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Yes we have some part stores for american classic cars. I will call them tomorrow. Then we have one Company, ordering from Summit and Mac's and third choise is to buy directly from U.S. A couple of weeks ago I ordered from Carpenter and their shipping were very fast. Thanks!!
 
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Old Sep 7, 2018 | 03:33 PM
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Yes, it is definitely a 1/4'' NPT plug. (The thread pitch is 18.)

Try here :

https://www.summitracing.com/int/sea...illocation=int

 
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Old Sep 7, 2018 | 04:07 PM
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Thanks a lot!!!
 
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Old Sep 8, 2018 | 02:52 PM
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Originally Posted by Matt1966
I am going to need a Radiator Drain Plug. it's going to be a challenge over here. Do you know the size of the threads when outside diameter is 13.7 mm? ( F150 4x4 aut, no A/C 1977) Thanks!
8A-8115 .. Radiator Drain Plug - 1/4" pipe thread = Myriad 1949/90's FoMoCo vehicles.

 
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