ASP C23-107 GM Holden Rodeo / Jackaroo / Frontera ignition lock.
| Model | From | To |
| Frontera | 1991 | 1997 |
| Jackaroo | 1992 | 2000 |
| Rodeo Utility | 1988 | onwards |
Service note: The C24-112 has a longer locking bar and is suitable for later models from about mid-1995 onwards. Locking bar extends 35mm from casting (1.4 inch).
The C23-107 has a short locking bar (early models) used up to about mid-1995. Locking bar extends from the end of the casting 28mm (1.1 inch).