High-Quality Construction: This 2-piece set features a 12V RS390 16000RPM drive engine, crafted from robust plastic and equipped with a motor, ensuring long-lasting performance and reliability in children's ride-on vehicles. Compatibility Check: Ensure seamless integration with your child's electric ride-on by verifying the compatibility of the gearbox's plum connector. A perfect match is crucial for optimal performance. Specific Design for Ride-On Toys: Tailored specifically for children's electric ride-on cars and motorcycles, this replacement gearbox and motor set must be identical in appearance to the old parts for proper fit and function. Effortless Installation: Equipped with quick-change wire connectors, this gearbox allows for easy installation without the need for soldering. It's designed for quick removal and replacement, making maintenance simple. Operational Verification: Before installation, please check the operational status of your child's ride-on car. Confirm that the battery is in good condition and all connections, including the battery cable, are secure and intact. Please note: slight color differences due to lighting or display settings do not affect functionality. Color: Black Material: Plastic + Metal Package Contents: 2 x Gearbox with DC Motor (only the items listed are included; other products are not included) Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3 cm.