On club cab and Ramcharger models, Dodge allowed the passenger seat to flip up towards the dash so as to make it easier for people to get into the back seats.
Unfortunately as time has gone on, salt, moisture, and just plain lack of lubrication has caused these hinges to cease. If left unattended to, they will eventually rip in half, or rip out of the floor causing more damage.
Thanks to Mopar Authentic Reproduction, these seat hinges are available again.
Install time approx 4-5 minutes.
Item #16 in the drawing. One needed per truck.
Mopar PN 4858109