Up for sale is a NEW Thermostatic Heater Control Valve, manufactured years ago right here in the USA. Equivalent to GM # 3146294.  This is correct for the following automobiles:

1959 Buick - when equipped with Manual Heater

Great part at a great price!

Each item is described to the best of our ability. However, we are not perfect and something may slip past us. Therefore, we provide one or more large photographs to add to the description in case we have missed something.