GM aluminum thermostat housing/water neck
 

Part#: gm3972128 for Chevy SB/Corvette LT1

Thanks! https://www.yenko.net/ubbthreads/imag...lins/beers.gif

Re: GM aluminum thermostat housing/water neck
 

This part is also correct for a '70 Z28.

Re: GM aluminum thermostat housing/water neck
 

Are you looking for the one with the 660 casting number???
If so, casting number on the neck or base??? Crash
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Re: GM aluminum thermostat housing/water neck
 

Crash, the above nbr was on the base. There was no nbr on the neck.

Re: GM aluminum thermostat housing/water neck
 

Sometimes you look far and wide and the answer is right next to you. I checked with a friend in the valley and he has one. Thanks to those who responded. https://www.yenko.net/ubbthreads/imag...lins/beers.gif

Re: GM aluminum thermostat housing/water neck
 

Was it Don? https://www.yenko.net/ubbthreads/imag...mlins/grin.gif

Re: GM aluminum thermostat housing/water neck
 

Good guess, but it was Fred K! You should see his parts stash!!! https://www.yenko.net/ubbthreads/imag...emlins/eek.gif https://www.yenko.net/ubbthreads/imag...lins/drool.gif https://www.yenko.net/ubbthreads/imag...-I-Have-It.gif

Re: GM aluminum thermostat housing/water neck
 

Fred's a cool guy as well! https://www.yenko.net/ubbthreads/imag...lins/beers.gif

His Hawaiian shirts rock!