Tamiya 53421 - Aluminum Pinion Gear 42T/43T OP-421  [53421]

This might be a Pair of Aluminum Pinion Gears for TA-04 chassis vehicles.
Here is the gear that attaches towards motor.

FEATURES: Aluminum construction

INCLUDES:

• One 42 enamel pinion gear
• One 43 tooth pinion gear
• Three 3mm set screws
• One allen key

NEEDS: Installation onto automobile.

SPECS:

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

RESPONSES: it will be possible these gears may focus on other 48P vehicles.