---
product_id: 807054210
title: "Replacement Plastic Gear Set for 390 and 550 Gearbox, Compatible with Kids Electric Ride-On Toy Cars and Motor Stroller Accessories (Color May Vary)(550 B Middle Gear)"
brand: "pumixiy"
price: "$11.81"
currency: USD
in_stock: true
category: "Pumixiy"
url: https://www.desertcart.us/products/807054210-replacement-plastic-gear-set-for-390-and-550-gearbox-compatible
store_origin: US
region: United States of America
---

# Full set for 390 & 550 gearboxes Enhanced power transmission Precision-engineered plastic gears Replacement Plastic Gear Set for 390 and 550 Gearbox, Compatible with Kids Electric Ride-On Toy Cars and Motor Stroller Accessories (Color May Vary)(550 B Middle Gear)

**Brand:** pumixiy
**Price:** $11.81
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your kid’s ride with gears that keep the fun rolling!

## Quick Answers

- **What is this?** Replacement Plastic Gear Set for 390 and 550 Gearbox, Compatible with Kids Electric Ride-On Toy Cars and Motor Stroller Accessories (Color May Vary)(550 B Middle Gear) by pumixiy
- **How much does it cost?** $11.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/807054210-replacement-plastic-gear-set-for-390-and-550-gearbox-compatible)

## Best For

- pumixiy enthusiasts

## Why This Product

- Trusted pumixiy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete Gear Set:** Includes large, medium & small gears for versatile repairs
- • **Optimized Performance:** Upgraded gear design ensures smooth, consistent speed transfer
- • **Seamless Compatibility:** Fits perfectly with 390 & 550 motor gearboxes—no tweaks needed
- • **Effortless Installation:** Exact OEM specs for quick, hassle-free replacement
- • **Durable Engineering-Grade Plastic:** Built to resist wear and impact during extended play

## Overview

This replacement plastic gear set is engineered for 390 and 550 gearboxes in kids’ electric ride-on toys, offering a full range of durable, precision-fit gears that enhance power transmission and ensure smooth, reliable operation. Crafted from impact-resistant plastic, it guarantees long-lasting performance and easy installation, making it the go-to fix for maintaining peak toy vehicle performance.

## Description

Product description GeneralProduct Description:Made of material,Plastic gears for kids electric rc car 550 and 390 gearbox ride toy carChildren's electric car large, medium and small gear motorcycle 390/550 motor motor gearbox gear stroller accessoriesType: Children's electric car gearDimensions: as picture shownModel:(optional)550 5P set550 5P large gear550 5P middle gear550 5P small gear390 gear A set390 A large gear390 A middle gear390 A small gear390 gear B set390 B large gear390 B middle gear390 B small gear550 gear A set550 A large gear550 A middle gear550 A small gear550 gear B set550 B large gear,550 B middle gear550 B small gearPackage includes:(optional)Listing 1: 1* set of gearsListing 2: 1* gearNote:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your For monitor and light brightness.2.Please allow slight manual measurement deviation for the data. Manufacturer Contact Information Pumixiy

## Features

- Plastic Gear For 550 And 390 Gearbox: Replacement gear set compatible with 550 and 390 gearbox in children's electric ride on cars motorcycles and toy vehicles For ensuring reliable power transmission for smooth operation
- Complete Gear Set Included: Package provides a full set of plastic gears including large medium and small sizes for both 550 and 390 motor models offering versatile compatibility for various toy car gearbox repairs
- Material Construction: Made from long lasting engineering-grade plastic these gears resist wear and For impact under regular use maintaining For structural integrity during extended play For sessions
- Precise Fit And Easy Installation: Designed to match original equipment specifications with accurate dimensions as shown guaranteeing seamless replacement without modification or adjustment
- Enhanced Performance Outcome: Upgraded gear mechanism helps avoid power loss and uneven rotation delivering consistent speed transfer and improved driving experience for kids ride on toys

## Images

![Replacement Plastic Gear Set for 390 and 550 Gearbox, Compatible with Kids Electric Ride-On Toy Cars and Motor Stroller Accessories (Color May Vary)(550 B Middle Gear) - Image 1](https://m.media-amazon.com/images/I/41Cd-XqUS4L.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-23*