NOS OEM GM Heater Vacuum Valve 77-81 Chevy Caprice 78-88 Regal 79-80 Cad 7897061

NOS OEM GM Heater Vacuum Valve 77-81 Chevy Caprice 78-88 Regal 79-80 Cadillac plus more. See picture of all that it fits. Part number 7897061. Very hard part to find in any condition. 

NEW in original GM box