| Part Number | Description | Status | |
|---|---|---|---|
| ⚠ | MST923BF | MOUNT ASSEMBLY Complete Model 23 - NOTE: See MotorGuide Transom And Bow Mounts Parts Manual 90-885199 For Service Parts Breakdown | superseded |
| → | MST9235BF | MOUNT ASSEMBLY Complete | discontinued |
Use MST9235BF — this is the current replacement.