Tamiya 53422 - Aluminum Pinion Gear 44T/45T OP-422  [53422]

This is certainly a Pair of Aluminum Pinion Gears for TA-04 chassis cars.
Here is the gear that attaches to the motor.

QUALITIES: Aluminum construction

INCLUDES:

• One 44 tooth pinion gear
• One 45 enamel pinion gear
• Three 3mm set screws
• One allen key

NEEDS: Installation onto vehicle.

SPECS:

• 45 enamel gear diameter: 18.7mm (0.74")
• Pitch: 0.4 M (48P metric)

COMMENTARY: It is possible why these gears may work on other 48P vehicles.