The Spicer TTC Key Countershaft, part number 500010-8 or 5000108, is a genuine Spicer TTC transmission component sold by Pro Gear and Transmission. The countershaft key is a precision internal drive component that locates and locks gears or bearings to the countershaft, maintaining proper rotational alignment within the transmission gear train. As a Spicer TTC part, it is intended as a direct-fit replacement for the original component. Call us to confirm this is the correct part for your specific transmission before ordering.
Features
Genuine Spicer TTC transmission component
Part number 500010-8 or 5000108
Internal countershaft key for transmission gear train alignment
Direct-fit replacement for the original Spicer TTC part
Sold by Pro Gear and Transmission
Used in 89 Spicer Transmission models
