Part Number: 0813825-2 (Tube) Part Number: 0813825-3 (Tube) Part Number: 0813825-4 (Heater ay) Part Number: 0813825-5 (Blower assy heater) Part Number: 0813825-6 (Exchanger) Part Number: 0813825-7 (Strap) Part Number: 0813825-9 (Heater) Part Number: 0813827-1 (Support ay blower) Part Number: 0813827-2 (Support assy) Part Number: 0813827-5 (Support) Part Number: 0813828-1 (Bracket) Part Number: 0813828-2 (Angle) Part Number: 08-13829 (Aeriol thixo # 2 aviation grease) Part Number: 0813829-1 (Bracket)