Not a expert here at all but I think they will just need some lube to make them come out easier. I think they have like a metal clip inside the seat frame that helps retain them.
I have these NOS fuse links. Maybe not even C body so I`m not sure what they fit. $20 each plus shipping of $4.50 US. (NOTE The black and blue one on the far right is SOLD)
4 NOS 3699678 front disc wheel bearing seals 74 -76 C body. They may also fit some trucks. Two boxed and two with no packaging. $29 for all 4 shipped US.
NOS 3780701 Mopar heater control valve(stamped 3503248) fits some models from 74-79. Has some tarnished spots on finish and OE box is in bad shape. $60 plus $7 shipping