Hi. The part you're referring to is the shift lock solenoid.
On most vehicles the whole shifter assembly has to be replaced if the solenoid is bad.
The part you are referring to is the interlock solenoid.
The part you are referring to is the interlock solenoid. It is called the shift lock solenoid on other vehicles. You can get the solenoid for your vehicle versus having to replace the whole shifter.
Sorry about the multiple posts. I'm having trouble with the chat.