Part Number: 12-270-12-1 (Deicer: nacelle-break,lh/rh, pne) Part Number: 12-270-13-1 (Deicer break-tip lh/) Part Number: 12270133 (Tube assy) Part Number: 12270136 (Component) Part Number: 12270137 (Component) Part Number: 12270138 (Component) Part Number: 12270140 (Tube assy) Part Number: 12-270-14-1 (Deicer: light-tip, pneumatic,bee) Part Number: 12270-141-100 (Actuator, electro-mechanical) Part Number: 12270144 (Ne) Part Number: 12270145 (Switch assembly loa.) Part Number: 12270149 (Wiring harness) Part Number: 12-270-15-1 (Deicer light-tip lh/) Part Number: 1227015-2 (Fitting)