BODY MTG AIR COND INSTRUMENTS 9 279 DIAL BASE PLATE CLAMP ESCUTCHEON FILTER GRILLE INSERT LENS PLATE Air Conditioning Control Con t 72 74 Pass w C A C exc Auto Temp Control 1223328 1 2 01 ESCUTCHEON 72 74 Pass w Auto Temp Control 1223327 1 3 44 ESCUTCHEON 71 72 Chevelle w C A C 3963751 1 26 FILTER 71 75 Pass w Auto Temp Control 331980 I 74 GRILLE in car sensor 71 72 Chevelle 3979709 1 20 INSERT control trim 71 74 Nova 3967913 1 20 INSERT control lens trim 70 74 Chevelle 3998460 1 1 50 LENS heater a c control 70 71 Camaro 3979749 1 1 70 LENS heater A C control 72 Camaro 6273377 1 1 70 LENS heater A C control 73 Camaro 931927 I 1 70 LENS heater a c control 74 75 Camaro lst design 340457 I 1 70 LENS htr and a c control Note 2 75 Camaro 2nd design 962596 1 1 75 LENS heater a c control Note 1 73 Camaro 331926 1 3 50 PLATE htr and a c control bracket 75 Camaro 457848 1 3 45 PLATE htr and a c control backing 75 Monza Notchback 362505 1 3 95 PLATE htr and a c control 75 Monza Towne Cpe 362505 1 3 95 PLATE htr and a c control NOTE 1 ls design made of metal 2nd design made of plastic these parts are not interchangeable L sage will be determined by visual inspection NOTE Z 2nd design has the word MAX in the control nomenclature 9 280 ACTUATOR CAM ASSY ELEMENT MOTOR ASSY SERVO ASSY SWITCH SPRING VALVE Air Conditioning Vacuum Control 65 68 Pass w Prod C A C 1998905 1 7 10 air adap vac 65 70 Pass w C A C Auto Temp Control 70 Chevelle Camaro w C A C Auto Temp Control 71 72 Chevelle w C A C 1998999 1 5 55 heater air dist vac 70 72 Camaro w C A C 1996509 1 4 64 plenum air inlet plenum valve repl 1998972 73 74 Chevelle 1998997 2 4 69 diverter valve 73 75 Pass 1996507 1 3 90 e c Inlet vacuum 75 Monza Towne Cpe 1996553 1 4 33 diverter valve front 75 Monza Towne Cpe 1996554 1 8 15 diverter valve rear 75 Monza Towne Cpe 1996557 1 4 55 dist duct 73 75 Camaro 1996509 1 4 64 ACTUATOR ASSY air inlet plenum vlv 73 Nova Camaro 1996505 1 3 48 ACTUATOR ASSY alr inlet slde shrd vac 66 Pass w Auto Temp Control 1998923 1 4 50 ELEMENT htr diverter valve vacuum 67 68 Pass w C A C 3150944 1 3 93 ELEMENT air adap vac 67 70 Pass w Auto Temp Control 1998930 1 7 30 ELEMENT heater dafroster vac 69 70 Pass w Auto Temp Control 1998964 I 7 90 ELEMENT air inlet vacuum 70 73 Camaro w A T exc NB 2 1998994 1 4 17 ELEMENT evap purge valve 71 75 Pass 1996563A R 3 98 ELEMENT vacuum diverter 71 73 Pass 1998985 1 4 28 ELEMENT vacuum air valve 71 75 Vega Monza 1998986 1 4 47 ELEMENT vac diverter valve 71 75 Vega Monza 1998987 I 3 69 ELEMENT vac deiroater valve 79 74 Camaro 75 Nova 1998999 1 5 65 ELEMENT htr and a c diverter vacuum 71 75 Pass w Auto Temp Control I223462 1 11 13 MOTOR ASSY vacuum 86 Pass w Auto Temp Control 3875852 1 45 35 SERVO ASSY htr a c 67 Pass w Auto Temp Control 3895947 I 47 50 SERVO ASSY htr a c 68 Pass w Auto Temp Control 3923179 1 43 70 SERVO ASSY htr a c 69 70 Pass w Auto Temp Control 7308831 1 45 50 SERVO ASSY vacuum power 71 75 Pass w Auto Temp Control 7932535 1 20 SPRING vacuum valve 88 Pass w Auto Temp Control 7302385 I N L SWITCH vacuum 69 Camaro w C A C 69 71 Chevy w C A C 72 74 Nova 7308825 1 4 21 SWITCH vacuum 3 port 70 72 Camaro w C A C 7313851 I 4 50 SWITCH vacuum 9 port 73 Camaro 7308935 1 2 55 SWITCH ASSY a c vacuum 3 port 73 Camaro 9349991 1 5 45 SWITCH ASSY a c vac 9 port 74 Chevelle Camaro 340427 8 00 SWITCH ASSY c vac and elect I3 ports and 3 term rectangular 9 275 75 Camaro w A C 362590 1 8 10 SWITCH ASSY control assy 9 port 69 Pass w C A C 67 68 Pass w Auto Temp Control 7911083 1 4 47 VALVE a c vacuum relay 70 72 Nova 1222690 I 4 00 VALVE ASSY heater and a c sensor assy vacuum controlled 2 port 69 Pass exc Auto Temp Control 70 All w C A C exc Nova 71 72 Camaro w C A C 72 Chevelle w C A C 7308935 1 2 55 VALVE ASSY heater and a c vac control 3 ports temp lever 7 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 9 279 9 280 sez REV 4 77