98108C2 Return Line Fits Case-IH Tractor Models 7110 7120 7130 7140 +One New Aftermarket Replacement A C Compressor Return Line Fits Case IH (Fits Case International Harvester) Tractors This aftermarket replacement compressor return line (also listed as Comp. Return Line) is part of the cab air conditioning system on Fits Case IH Magnum and 71 series tractors. It carries refrigerant from the A C system back to the compressor, and is a direct replacement for OEM part number 98108C2. Compatible Models Fits Case IH 71