RE52546 Condenser To Evaporator Line Fits John Deere Tractor 7600 7700 7800One New Aftermarket Replacement Condenser to Evaporator A C Line Fits John Deere Tractors This aftermarket replacement air conditioning line connects the condenser outlet to the evaporator inlet in the cab A C system of Fits John Deere 7000 series row crop tractors. A leaking or damaged refrigerant line will cause A C system pressure loss and failure to cool the operator cab replacing this line restores proper refrigerant flow between the condenser