The TCI Ford speedometer drive gear mounts on the transmission output shaft and has a 23 tooth count. The drive gear works with a matching driven gear to provide an accurate speedometer reading for the application.
- Ford speedometer drive gear
- Tooth count: 23
- Mounts on the transmission output shaft
- Part number: 881004
FAQ
What is the tooth count of the TCI 881004 drive gear?
It has a 23 tooth count.
Where does the drive gear mount?
The drive gear mounts on the transmission output shaft and works with a matching driven gear.
How is the correct gear combination determined?
Driven teeth equal drive teeth multiplied by axle ratio and tire revolutions per mile, divided by 1001. Tire revolutions per mile equal 20168 divided by the tire diameter in inches.

