All radios found in 1956 - 1962 Corvette are from GM's Delco Division. During 1958, 1959 and 1960, Corvette radios could be interchanged with other vehicles, including certain pickup trucks. The radios can be identified by a packed sticker that was glued on to the back of the radio chassis. The chart below shows the radio numbers from 1956 - 1962:
| Year | Radio Number | Description |
|---|---|---|
| 1956 | 3725156 | Wonderbar without engraving on touch bar |
| 1957 | 3725156 | Wonderbar without engraving on touch bar |
| 1958 | 987730 | Wonderbar |
| 1959 | 987730 | Wonderbar |
| 1960 | 987730 | Wonderbar |
| 1961 | 985003 | Wonderbar - indentations on the push buttons |
| 1962 | 985383 | Wonderbar |