NOS OEM ACDelco 15-7832 1223590 Blower Switch ,, 1971-1977 for various Buick GMC Pontiac models.

NOS NEW GM 1971 72 77 Truck Buick Caprice Impala Silverado Blower Switch 1223590, From a old closed GM Dealership so box is a little rough but part should be just fine, this one doesn't have the chrome knob so you will have to use the one on your old switch