We've put the J4394-9010 and the J4394-9119 next to each other and can see no difference.
Is this the right part for your car? Go to parts diagrams. Look for your vehicle number and find the diagram for your ride on.
The diagram will show you the right parts.
If you are still in doubt, please call our store. 732-842-6020 and a Power Wheels expert will help you.