1970 Ford Ranch Wagon: HVAC Mode Door Vacuum Check Valve

1970 Ford Ranch Wagon equipped with
7.0L V8 Gas OHV,
6.4L V8 Gas OHV,
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.1L L6 Gas OHV,
3.9L L6 Gas OHV,
3.3L L6 Gas OHV Check Valve
Vacuum Checking Valve

1 Per Vehicle