Availability: 8 in stock
This is an u nut from MOPAR, factory part number 68227689AA.
Build notes: Radiator Upper Seal. M6x1.00.
Match thread size and pitch to the fastener, then match the type to the joint. That order avoids most returns.
The part number is the thing to verify. Where the old part carries no legible number, a VIN and a photograph are enough for us to identify it.