Joe,
Type this in your browser. A lot of listings will pop up. I doubt there were different heaters for the size of truck. The 2 T will be the same as the 1/2 T. The Standard and Delux probable used the same fan motor.
1950 chevy truck heater motor squirrel cage
Harold
Last edited by Harold46; 10/02/2020 3:40 AM.
