the gasket around the air vent valve now that's another story, for some reason the one on the passenger side may be saveable but the one on the driver side parished
unless I am reading that wrong LMC Truck wants $30 bucks for just the air vent valve, page 94
http://www.lmctruck.com/icatalog/cc/full.aspx?Page=94
... they gotta at least kiss you first! jk