If you do a Google search with 1A131, different variations pop up
7L1Z-1A131-A
2L1Z-1A131-AB
6L1Z-1A131-AA
It's best to order it from Ford parts online.
I usually print the page from the Ford Parts site and take it to the parts department at the dealership. That or order it from there. It's the only way to be sure. That may be a part that needs to be special ordered.