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Old 10-04-2021, 07:43 PM
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Join Date: Jul 2010
Location: SE WI
Posts: 1,366
Default Water necks, what's the diff??

Here are 3 water necks from like '58+
All the same part number, 529219 but are a little different.
1 has the part number on the left side, but 1 says GM14, one is GM17 & 1 is GM5.
Just different molds? Or did they really "break the mold" when they built those Pontiacs?
Just found it intriguing...
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