PART NUMBER: 3522877
 AC Air conditioner rigid line from  junction point to condenser  for Volvo 240 series  made from 1990 through 1993 sedans and station wagons. 
Pipe connects to the expansion orifice tube line at the junction  point by the frame rail, and to the ac condenser  . Has threaded port for the high pressure  sensor. Number 16 on the diagram.
This   is a MUST HAVE component  when repairing  R-134  gas filled  Air conditioning system of your Volvo 240 series