390 Gear Set Replacement Kit For Kids Ride On Cars And Electric Toys, Durable Plug And Play Gearbox With 44T Large Gear, 50T Outer Ring, And 8T Middle Gear, Easy DIY Upgrade For Quiet, Smooth Operation
✔️ Plug-and-play 390 gearbox kit: 44T/50T/8T, single set✝️
URIMPAVIDO 390 Gear Set Replacement Kit is a single ride-on part designed to replace worn gears in standard 390 gearboxes found in kids' electric toy cars. This plug-and-play kit makes at-home maintenance easy and supports DIY upgrades for smoother, quieter operation.
✅ Large gear teeth: 44 teeth in the large gear
✅ Middle gear teeth: 8 teeth in the middle, 50 teeth outer ring
✅ Small teeth: 8 plastic teeth in middle, 67 teeth outer ring
✅ Material: Plastic construction suitable for kids' ride-on cars
✅ Fitment: Fits 390 gearbox; WW-3 and WW-4 casing compatibility check
💡 What is a typical use case for a 390 gear set in kid-powered ride-on toys?
- Restores power transfer and smooth operation in 390 gearboxes
- Extends gearbox life with simple DIY maintenance
- Ideal for at-home upgrades and part replacements