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Original MJX Hyper Go 14392 motor pinion gear with grub screw for 1/14 scale RC cars. Designed for 14301, 14302, 14303 and 14304 models.
Limited availability.
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The MJX Hyper Go 14392 Motor Pinion Gear is a genuine replacement spare part designed for 1/14 scale MJX Hyper Go RC cars.
This precision-machined metal pinion gear mounts directly onto the motor shaft and works with the spur gear to transfer motor power to the drivetrain. It plays a critical role in acceleration, torque delivery, and overall performance.
Supplied with a grub screw for secure installation, the 14392 pinion ensures firm attachment to the motor shaft, preventing slipping under high-speed or high-torque conditions.
If your RC car experiences gear slipping, grinding noise, or loss of power, replacing a worn motor pinion gear can restore smooth performance and drivetrain efficiency.
Ideal for repairs, maintenance, or drivetrain restoration.
Now available in India at YOUCLIQ.
Compatible with:
• MJX Hyper Go 14301
• MJX Hyper Go 14302
• MJX Hyper Go 14303
• MJX Hyper Go 14304
(For 1/14 scale models)
• Fixes slipping or grinding sounds
• Restores proper gear meshing
• Improves acceleration response
• Maintains drivetrain efficiency

MJX Hyper Go 14392 Motor Pinion Gear with Grub Screw – 1/14 Scale Spare Part for 14301 / 14302 / 14303 / 14304 (India)
₹1199
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