The Alfa Romeo Junior Zagato is a true "parts bin" as the following table will show. Not less than 18 different models, the oldest dating back to 1958(!), have donated parts to this great little sports coupe.
| Model Number | Description | Production Years |
| 101.00 | Giulietta 1300 Berlina | 1959 - 1964 |
| 102.00 | 2000 Berlina | 1958 - 1962 |
| 102.05 | 2000 Sprint | 1958 - 1962 |
| 105.02 | Giulia Sprint 1600 | 1965 - 1968 |
| 105.03 | Giulia Spider 1600 (Duetto) | 1965 - 1968 |
| 105.26 | Giulia 1600 Super | 1965 - 1968 |
| 105.32 | Giulia 1600 GTA | 1965 - 1968 |
| 105.36 | Giulia 1600 GT Veloce | 1965 - 1968 |
| 105.39 | Giulia 1300 TI | 1965 - 1972 |
| 105.44 | 1750 GTV | 1968 - 1971 |
| 105.48 | 1750 Berlina | 1968 - 1971 |
| 105.51 | 1750 GTV (USA) | 1968 - 1971 |
| 105.57 | 1750 Spider | 1968 - 1971 |
| 105.59 | Giulia 1300 GTA Junior | 1965 - 1972 |
| 105.62 | 1750 Spider (USA) | 1968 - 1971 |
| 105.64 | Montreal | 1972 - 1976 |
| 105.91 | 1300 Spider Junior | 1965 - 1972 |
| 106.02 | 2600 Sprint | 1962 - 1967 |