Availability: 7 in stock
MOPAR lists this o ring under number 5086937AA.
Varies by build: Turbocharger Coolant Return Tube/Hose and Intake Side On Plug Item 12.
Where a nut is also a sealing element, as on a fluid line, the thread form is part of the seal rather than a fastening detail.
Match this against the part you are taking off rather than against a photo. If the number is unreadable, send us the VIN and we will confirm it.