The original harness connectors are like this:
https://www.te.com/usa-en/product-176299-1.html
They have hooks on them so they can be mounted to the back panel inside the control panel.
The ones in the RS harness are just regular connectors:
https://www.te.com/usa-en/product-176289-1.html
Not a huge deal, but the price difference between the two connectors is negligible.