@Norton posted:You don't want K-Line ones. The rubber deteriorates. The Lionel ones posted above are the identical shape but will last as long as the car does.
Pete
I purchased my first K-Line heavyweight passenger car in August 1994 and its diaphragms are in very good condition. Of course they have not been squashed by putting the car into the Styrofoam without removing them. John in Lansing, ILL