| Voltage | 12V / 24V Multi-Voltage |
| Unit & Package | Sold by each, color display bag |
| Part No. | Description | Fits |
| 69992 | Electric solenoid valve | Grand General train horn (69991) & air horn (69988) |
| 69993 | Heavy duty electric solenoid valve | Grand General train horn (69991) & air horn (69988) |
