They are the same.  The only "difference" is that there is a plastic mount
that goes around the outside that you can easily swap from one to the
other.  That is it.

Ken

On Wed, Jul 21, 2021 at 2:17 PM John Rodgers <jrodgers113@gmail.com> wrote:

> Both motors are DC motors and can run either way, thereby running the
> window up or down. Being DC, they should be interchangeable, but they are
> not. Apparently there is a right and a left motor, due to the way case
> mounts.  to the operator.
>
> How can I Determine which is which just by looking at the motors
> themselves,
>