TCI 880021 Speedometer Gear Housing for TH250, TH350 and Powerglide Transmissions

The TCI 880021 Speedometer Gear Housing is designed for GM TH250, TH350 and Powerglide automatic transmissions. This housing accommodates speedometer gears with 18 to 23 teeth and features a 0.875-inch diameter design for reliable compatibility with the specified transmission applications. It is a practical replacement component for restoring accurate mechanical speedometer operation during a transmission rebuild, service project or drivetrain upgrade.
Constructed for dependable performance, the TCI speedometer gear housing helps properly position and retain the speedometer drive gear within the transmission. Correct gear and housing compatibility is essential for maintaining a secure installation and supporting consistent speedometer readings. Verify the transmission type, gear tooth count and existing housing configuration before installation to ensure the appropriate fit.
The TCI 880021 is supplied as an individual housing and is intended for applications using 18- to 23-tooth speedometer gears. Its straightforward design supports efficient replacement and helps simplify transmission service. Whether replacing a worn housing or completing a rebuild, this component provides a purpose-built solution for compatible GM automatic transmissions.

Features:

• Application: Designed for GM TH250, TH350 and Powerglide automatic transmissions

• Gear Compatibility: Accepts speedometer gears with 18 to 23 teeth

• Housing Diameter: 0.875 inches

• Component Type: Replacement speedometer gear housing

• Package Contents: One speedometer gear housing

• Brand: TCI

• Part Number: 880021