A A V V SHEET METAL HEATER I V A 8 852 SWITCH BEZEL BUSHING CLIP ESCUTCHEON GROMMET KNOB LEVER NUT PLATE SHAFT Heater Con t 71 72 6 10 thru 30 exc C A C I V I I 84 72 Ser 10 thru 30 exc C A C D V A I D 3840039 1 SWITCH ASSY heater control deluxe a 85 72 Ser 10 20 Sub 6 10 thru 30 2415085 1 SWITCH ASSY auxiliary heater V I 71 72 IG 10Vthru 30 w Air Cond 3999509 1 SWITCH ASSY A C blower motor 9 275 87 72 Ser 10 thru 30 Blazer A w C A C 3857992 1 SWITCH ASSY heater control and A C A87 70 G 10 20 I I 3928407 1 A V SWITCH ASSY heater control I 87 89 Ser 10 thru 30 w C A C 3891794 2 BUSHING control switch V 57 59 Ser 3 I V 80 83 Ser 10 thru 30 3138089 A R A CLIP heater switch defroster air inlet V I I temp knob retainer I 81 83 VAllVw heater C A C A 3798310 1 V CLIP control knob retainer A A 84 88 Ser 10 thru 30 3791 1 14 A 1 V I ESCUTCHEON blower switch and air V V A V c ontrol 88 G 10 A I A 87 88 Ser 10 thru 30 exc D D 3707952 2 GROMMET heater control 2 251 V 84 88 Ser 10 thru 30 w Air Flow 384381 1 3 A KNOB control 87 70 Ser 10 thru 30 I V 71 72 All Blazer exc D D C A C 7295955 3 KNOB control V 84 88VVSer 10 thru 30 exc Deluxe 1991041 1 I KNOB ASSY blower air control 84 88 6 10 I 3792753 1 KNOB ASSY control switch I 87 Ser V10 thru 30 I V 87 88 G 10 20 1991052 A R KNOB ASSY heater blower and air A V control V V I V 87 88 G 10 20 exc Deluxe 1991059 A R A KNOB ASSY heater cont switch 88 G 10 20 V V A V V 87 88 Ser 10 20 Sgl Unit V I 71 72 Ser 10 20 Panel Sub A A A 71 72 G 10 thru 30 V V 1991077 1 KNOB ASSY aux heater switch defroster I I lvr A 88 6 10 20 Deluxe 1991087 V 3 I KNOB ASSY co ntrol and control switch 88 70 6 10 20 exc Deluxe 1991072 3 KNOB ASSY control 88 70 6 10 20 exc Deluxe V 1991082 A R KNOB ASSY heater cont switch 80 84 Ser 10 thru 30 3833127 A R KNOB UNIT heater temp defrost air 80 83 Ser 10 thru 30 31571 12 3 V VLEVER control Q V 84 88 Ser 10 thru 30 w Deluxe 3845889 1 LEVER cer heater control air and fan 84 88 Ser 10 thru 30 w Deluxe 3848870 2 V LEVER car heater control heat and V V defrost 85 88 Ser 10 thru 30V 3884380 1 LEVER defroster control 87 72 Ser 10 thru 30 Blazer exc D V I D FFC I A A I 71 72 G 10 thru 30 3903814 1 LEVER temp control A 87 72 Ser 10 thru 30 Blazer exc D 1 V D FFC 3903815 1 LEVER defr control I 87 72 Ser 10 thru 30 Blazer exc D I V V D FFC A V 3903818 1 V LEVER air control A V I I V 71 72 6 10 thru 30 3988447 1 LEVER air control A 71 72 G 10 thru 30 3988448 I 1 LEVER defrost control V V 81 83 Ser 10 thru 30 3157114 3 V LEVER ASSY control 80 84 Ser 10 thru 30 I V A 85 88 Ser 10 D D 87 72 Ser 10 thru 30 Blazer exc D V V A I D 1 I V 71 72 6 10 thru 30 7312880 1 NUT lever pivot pin push on U type A V 80 83 Ser 10 thru 30 w Air Flow 7314355 1 PLATE control face I V 87 Ser 1 0 thru 30 w Deluxe n A 88 72 Ser 10 thru 30 Blazer exc D A 71 72 6 10 thru 30 V 3903817 1 SHAFT control lever 88 6 10 V V I 87 88 Ser 10 thru 30 exc D D V 3707952 2 GROMMET heater control 2 251 A 8 854 CORE CASE CLAMP SEAL Heater I A A V V NOTE 2 It may be necessary to paint to match V 80 83 Ser 10 thru 30 w Recirc 3145850 V 1 A w fittings 80 83 Ser 10 thru 30 w Air Flow 3148217 1 I w fittings 84 88 Ser 10 thru 30 exc Van I 88 Ser 20 Camper 3005388 1 w fittings deluxe I 84 85 Ser 10 thru 30 exc Van 3005395 1 V w fittings economy Q 84 88 6 10 3005398 1 w fittings V 87 72 Ser 10 thru 30 Blazer V A V w C A C exc D D Q 3025322 2 w fittings 87 70 G 10 20 3018798 1 w fittings J I I I V Y GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL I I REV 5 79 I 8 7 V 8 852 8 854