1963 Plymouth doors are the same as 1963 Dodge doors.  Although the floor pan is 3" longer on the Dodge non-wagon models, the doors (even the rear ones) are the same for both Plymouth and Dodge. 
Thus the doors are shared - front - 
4 door sedan & wagon - 2425 088 / 089
4 door hardtop - 2425 090 / 091
2 door sedan - 2425 092 / 093
2 door hardtop and convertible - 2425 094 / 095
Rear - 
4 door sedan & wagon - 2425 108 / 109
4 door hardtop - 2425 110 / 111
 
The 1963 Plymouth / Dodge doors do not interchange with 1962, 1964 or 1965 models.
Part number - 2425 088 / 089  (Mopar shorthand) :
Right - 2425 088
Left - 2425 089
  As for windshields, the 1963 and 1962 Plymouths and Dodges all shared the same unit, regardless of body style - 
Clear - 2166 114  NAGS : W617
Tint - 2167 733    NAGS : WT617
 
Rear window glass is the same on all 1963 Plymouth and  Dodges, except wagons :
Clear -  2244 011   NAGS  B3158
Tint -  2244 032     NAGS  BT3158
The NAGS number is used by auto glass shops.