AIR CONDITIONING VENTILATION FIADIO 9 257 DUCT ADAPTER CONNECTOR DIAPHRAGM GASKET HOSE HOUSING PAD SCREW SEAL COLD AIR DISTRIBUTION Con 73 74 All X 9 779 4 3937135 1 52 SEAL center outlet duct rear 44 73 75 All X 9 779 3937174 3 25 SEAL air side outlet duct bumper 73 75 All X 9 779 rrr rr 3937172 LH 57 SEAL air side outlet adapter 9 262 ADAPTER BRACKET COVER DUCT HOSE OUTLET PAD RETAINER SEAL SPACER VALVE WASHER COLD AIR OUTLET HOUSING W C A C 73 75 All X r r 39371 19 I 5 05 ADAPTER center outlet duct r 73 78 All X irr rrr r 3998413 LH 1 85 ADAPTER air side outlet rrr r 74 75 All X 3909004 2 47 ADAPTER nlr distributor duct 9 786 7375 All X r 3946959 LH 50 BRACKET air aide outlet duct r 73 76 All A exc C A C 4 4 r 410831 RH 1 40 COVER outlet round 4 trr rr 73 75 All X 4 4 4 4 3937118 1 5 95 DUCT centeroutlet 4 4 4 444 73 75 All X 4 44 349119 1 7 25 DUCT air side outlet 4 74 75 All X 44 4 391 7320 1 6 85 DUCT air distributor 4 4 44 75 All H 44 4 44 339483 1 3 40 DUCT air outlet 4 444 444 75 All H 44 354801 1 10 05 DUCT air dist 4 44 75 All A 4 44 4 4 555750 1 23 20 DUCT air outlet 4 75 All E C E 550409 LH 4 75 DUCT air outlet 4 75 All H 336488 I 5 75 HOSE arr dist duct to RH outlet 9 260 44 73 75 All X 4 44 4 3998414 RH 12 70 OUTLET air side 4 4 444 73 74 All X 44 4 44 340438 1 31 50 OUTLET air center BIack 4 4 75 All H 4 4 336484 HH I4 B0 OUTLET air side 75 All H 4 4 4 4 4 4 336487 LH 14 80 OUTLET air side 4 4 4 4 76 All H 4 4 346149 1 10 05 OUTLET air center 75 All X 4 4 346123 1 8 00 OUTLET air center 75 AG37 AJ29 57 413039 1 4 60 OUTLET heater air 44 44 88 71 FBS 400846 1 20 PAD center lower duct 4 69 70 Exc FBS or Tor 4 4 400846 LH 20 PAD end outlet duct 72 F85 44 44 44 400846 2 20 PAD air outlet duct 44 4 74 75 All A exc C A C 40084 8 1 20 PAD center vent adapter 74 75 All A 4 400848 2 20 PAD LH air outlet 4 4 75 All B C E 400848 2 20 PAD manifold conn hose 4 75 All H 3979753 l 20 RETAINER dist duct 4 44 4 70 F85 C A C 44 3969803 4 22 SEAL center outlet 4 70 C A C exc Tor 3969803 4 22 SEAL lwr outlet 4 71 72 FB5 C A C 3989803 4 22 SEAL lwr outlet deilector 44 4 71 72 Exc F85 or Tor 44 4 4 4 406843 LH 33 SEAL upper outlet 71 72 Tor 409843 2 33 SEAL L H upper duct to L H upper deilector 4 44 4 4 73 75 All X 4 4 44 44 3937137 1 34 SEAL air dist duct rear 73 75 All X 363189 1 52 SEAL air side outlet duct lout to size 44 79 75 All A 410148 1 21 SEAL adapter to R H center outlet 73 75 All A 4 44 44 410151 LH 34 SEAL upper to R i 1 center outlet 73 75 All A 4 410152 1 34 SEAL upper outIat entar 4 73 All B C E 4 4 406843 1 33 SEAL upper outlet 4444 4 73 All B C E 4 4 408843 2 33 SEAL L H upper duct to L H upper deflector 4 4 74 X 4 3937135 1 52 SEAL center outlet duct rear 4 75 X 4 4 4 3937189 1 26 SEAL air side outlet betel 75 H 4 4 4 3989222 I 33 SEAL a c air outlet valve 4 75 All X 3929027 1 21 SEAL air diet upper 4 75 All X 4 4 349132 l 24 SEAL air outlet 4 75 All B C E Opt C60 3031279 1 6 5 SEAL air diet lower 44 75 All B C E Opt C90 3031280 1 9 15 SEAL air dist upper 44 75 All B C E Opt C65 44 3031250 l 9 00 SEAL air dist lower 4 4 75 All B C E Opt C65 3031307 1 9 00 SEAL air dist upper 4 75 All B C E 4 4 4 414729 I 1 30 SEAL manifold to center duct 75 All B C E 417324 1 1 30 SEAL manifold upper to lower 76 All H 4 3031899 2 70 SPACER plastic 75 All H Opt C60 4 4 4 3989223 1 1 60 VALVE a c air outlet 74 75 All X Opt C00 9 649 4 3981507 1 08 WASHER plenum valve link 4 GM PARTS DIVISION GENERAL MOTORS CORPORATION OL0 MO8lLE 30 REV 1 1 79 e ze 9 257 9 262