For 1961-1962 Pontiac Catalina HVAC Heater Control Valve 4 Seasons 415UM16

1961 Pontiac Catalina Submodel: Base; Engine: 6.4L V8; w/ 5/8" and 1/2" NPT port sizes;. 1961 Pontiac Catalina Submodel: Safari; Engine: 6.4L V8; w/ 5/8" and 1/2" NPT port sizes;. 1962 Pontiac Catalina Submodel: Base; Engine: 6.4L V8; w/ 5/8" and 1/2" NPT port sizes;.