--- product_id: 643455065 title: "2PCS Kids Ride On Car Gearbox 12V RS550 40000RPM High-Speed Motor Gearbox for Power Wheels Kid's Ride on Toys,High Torque Motor for Kid's Electric Vehicle Replace Parts,2 Free Coupler" brand: "polynx" price: "VT15392" currency: VUV in_stock: true reviews_count: 8 category: "Polynx" url: https://www.desertcart.vu/products/643455065-2pcs-kids-ride-on-car-gearbox-12v-rs550-40000rpm-high store_origin: VU region: Vanuatu --- # 12V High Voltage Power 12mm Precision Shaft Diameter 40000 RPM Ultra-High Speed 2PCS Kids Ride On Car Gearbox 12V RS550 40000RPM High-Speed Motor Gearbox for Power Wheels Kid's Ride on Toys,High Torque Motor for Kid's Electric Vehicle Replace Parts,2 Free Coupler **Brand:** polynx **Price:** VT15392 **Availability:** ✅ In Stock ## Summary > ⚡ Power Up Playtime with Speed & Ease! ## Quick Answers - **What is this?** 2PCS Kids Ride On Car Gearbox 12V RS550 40000RPM High-Speed Motor Gearbox for Power Wheels Kid's Ride on Toys,High Torque Motor for Kid's Electric Vehicle Replace Parts,2 Free Coupler by polynx - **How much does it cost?** VT15392 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/643455065-2pcs-kids-ride-on-car-gearbox-12v-rs550-40000rpm-high) ## Best For - polynx enthusiasts ## Why This Product - Trusted polynx brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Yet Mighty:** Sleek 3.71" x 4.6" design fits seamlessly, maximizing performance without bulk. - • **Built for Power Wheels:** Perfectly engineered replacement parts to restore or boost your child’s electric ride-on performance. - • **Plug & Play Installation:** Includes 2 free couplers and motor cables—no welding needed, just snap and go. - • **High Torque, High Thrills:** 45 Watts of raw power ensures smooth acceleration and durable ride-on fun. - • **Turbocharge Your Kid’s Ride:** Upgrade with 12V RS550 motors delivering blistering 40000 RPM for unmatched speed and excitement. ## Overview This 2-pack of 12V RS550 high-speed motor gearboxes offers 40000 RPM and 45 Watts of torque, designed as direct replacements or upgrades for kids’ Power Wheels ride-on toys. Featuring easy installation with included couplers and cables, these compact, durable motors deliver enhanced speed and performance to keep your child’s electric vehicle running like new. ## Description desertcart.com: 2PCS Kids Ride On Car Gearbox 12V RS550 40000RPM High-Speed Motor Gearbox for Power Wheels Kid's Ride on Toys,High Torque Motor for Kid's Electric Vehicle Replace Parts,2 Free Coupler : Toys & Games Review: Delivery on time - Good Review: Do not buy. - would not buy we put this on our car and it burnt out the battery they take too much power and they draw even when the car power is off do not buy. ## Features - 2PCS 12 Volt Universal Motor Gearbox is Used for Power Wheels, Kids Electric Toys Car, Ride On Car Motor Upgrade and Replacement Parts - The products include: two high-quality gearboxes, two white circular couplers, and two motor connection Cables - Suitable for repairing and upgrading power wheels, please compare the size before purchasing, voltage: DC12V, speed: 40000RPM, shaft hole diameter: 12mm (0.48"); motor diameter: 35mm (1.39") - With a coupler, you only need to fix the coupler to the tire to customize the installation. - With cable, easy to install and disassemble, no need for electric welding ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D54M1H77 | | Best Sellers Rank | #44,717 in Toys & Games ( See Top 100 in Toys & Games ) #67 in Kids' Ride-On Replacement Parts | | Brand | POLYNX | | Brand Name | POLYNX | | Customer Reviews | 3.8 out of 5 stars 92 Reviews | | Horsepower | 45 Watts | | Included Components | 2 Gearboxes, 2 Adapters, 2 Motor Cable | | Item Dimensions W x H | 3.71"W x 4.6"H | | Item Type Name | Gearbox | | Manufacturer | POLYNX | | Material Type | Plastic | | Model | White Coupler | | Model Name | 12V RS550 40000RPM | | Part Number | RS550 | | Product Dimensions | 3.71"W x 4.6"H | | Shaft Diameter | 12 Millimeters | | Speed | 40000 RPM | | UPC | 782331890009 | | Voltage | 12 Volts | ## Product Details - **Brand:** POLYNX - **Horsepower:** 45 Watts - **Model Name:** 12V RS550 40000RPM - **Speed:** 40000 RPM - **Voltage:** 12 Volts ## Images ![2PCS Kids Ride On Car Gearbox 12V RS550 40000RPM High-Speed Motor Gearbox for Power Wheels Kid's Ride on Toys,High Torque Motor for Kid's Electric Vehicle Replace Parts,2 Free Coupler - Image 1](https://m.media-amazon.com/images/I/61hj+L2oXJL.jpg) ## Available Options This product comes in different **Model** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Delivery on time *by W***E on April 21, 2026* Good ### ⭐ Do not buy. *by K***Y on April 7, 2026* would not buy we put this on our car and it burnt out the battery they take too much power and they draw even when the car power is off do not buy. ### ⭐⭐⭐⭐⭐ Great Product *by A***R on July 10, 2025* Very good quality and easy to install to replace old units on power wheels. ## Frequently Bought Together - 2PCS Kids Ride On Car Gearbox 12V RS550 40000RPM High-Speed Motor Gearbox for Power Wheels Kid's Ride on Toys Upgrade,High Torque Motor for Kid's Electric Vehicle Replace Parts,2 Free Coupler - 14PCS Set of Switch Kit for Power Wheels Kid's Ride on Toys Replacement Parts, Foot Pedal/Forward Stop Backward Shift/Push Button Power Supply/Reverse Handle Gear/High&Low Speed/Charging Port/Fuse --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/643455065-2pcs-kids-ride-on-car-gearbox-12v-rs550-40000rpm-high](https://www.desertcart.vu/products/643455065-2pcs-kids-ride-on-car-gearbox-12v-rs550-40000rpm-high) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-10*