What is this part?

[70CougarXr7]

Hi all,

Bought this gauges: http://newvintageusallc.mybigcommerce.com/20659-01m/

This was included but i have no idea what it is...
What is this part for below in the picture?

https://static1.pt-content.com/images/pt/2019/03/r9oi01x-1.jpg

[69CougarXR7]

Hi all,

Bought this gauges: http://newvintageusallc.mybigcommerce.com/20659-01m/

This was included but i have no idea what it is...
What is this part for below in the picture?

https://static1.pt-content.com/images/pt/2019/03/r9oi01x-1.jpg

Oil pressure sensor....

[70CougarXr7]

Cheers buddy!
Never worked on engines so all new for me.