In the drawing it is part 51 52 and 53 for the right and left side. The channel that the seal fits into. I have located all the parts today in a few hours of phone calls to different sources. All are new parts. The one on the right rear part 53 is the only one I have not ordered yet. If anyone has a used one in good condition please call me before Thursday afternoon. I am going to order it tomorrow.
724-504-2375
Thanks,
Brad