l V SHEETVIVIETAL HEATER I g V 8 854 CORE CASE CLAMP SEAL Heater Con t 6 67 Ser 10 thru 30 1st design A V V V V exc C A C FFC 30 12658 1 w fittings V Q Y I 71 72 G 10 thru 30 Q V w fittings Vaux heater 67 72 Ser 10 thru 30 Blazer 2nd V V design exe C A C D D FFC 3015189 1 w fittings V ad 71 72 G 10 thru 30 3021480 1 Q w fittings a 67 69 Seri 10 thru 30 exc D D FFC 3018558 1 f CASE w back up plate assy l 71 72 G 10 thru 30 V 3021495 1 CASE heater L r 88 72 Ser 10 thru 30 Blazer 6 r j V 5 w C A C exc D D FFC 3017150 1 CASE heater 88 72 Ser 10 20 Panel Sub G 10 A V 20 V 3018765 1 CASE aux htr lower 88 72 Ser 10 20 Panel Sub G 10 V I 20 3018768 1 CASE aux htr upper V 80 85 Ser 1 0 thru 30 G 10 3143488 2 CLAMP core 67 66 Ser 10 thru 30 2nd design 68 70 G 10 20 V V V V 68 72 Ser 10 thru 30 exc D D FFC C A C 3014422 V 2 CLAMP core mounting Q V 60 63 Serf 10 thru 30 3150984 1 SEAL core outlet pipe 87 72 Ser 10 thru 30 2nd design exc D D r 30 14383 2 SEAL heater core pipe 8 855 MOTOR RESISTOR ASSY SEAL Heater and Evaporator 4 4 55 57 Ser 3 w Recirc 2nd Ser 5 55 57 Ser 3 w Air Flow 1 V 65 88 Ser 10 Sub G 10 5044402 1 Vl studs 2 I ctr stamped 5044402 V V V l auxiliary heater 57 59 Ser 3 w Air Flow 5044399 1 studs 2 ctr to ctr Q 58 58 Ser 3 w Recirc l 60 62 Ser 10 thru 30 I V 60 62 Ser 10 thru 30 w Air Flow 5044401 1 S 63 Ser 10 thru 30 5044400 1 64 86 Ser 10 thru 30 w Air Cond 5044518 1 V 9 215 Q V 68 72 Ser 10 20 Panel Sub G 10 V 20 4918995 1 V aux htr Q 71 72 G 10 thru 30 4 980478 1 I e V 64 68 All exc D D FFC t 1 S l as 10 G 10 20 V V a sj 68 72 Ser 10 thru 30 Blazer exc W V C A C Q 4980505 1 MOTOR UNIT heater V 67 72 Cab Blazer w C A C 4980538 1 MOTOR UNIT A C blower 36 70 All exc C A C V 3 929052 1 RESISTOR ASSY blower 71 72 G 10 thru 30 3979313 1 SEAL motor resistor L 8 858 V SUPPORT Heater and Defroster Motor 88 72 Ser 10 20 Panel Sub G 10 A V V 20 V 3145757 1 V aux htr 5 8 857 FAN CASE ASSY GASKET NUT VALVE ASSY Heater 57 59 Ser 3 w Flecirc V V V 60 64 Ser 10 thru 30 V 3030747 1 assembly turbine type 64 70 G 10 V V V 80 71 Ser 10 thru 30 Blazer exc I VC A C 3905778 1 72 Ser 10 thru 30 Blazer exc V C A C 3027031 1 V 70 72 Ser 10 20 Panel Sub G 10 V I 20 3007341 1 aux htr 67 72 Ser 10 thru 30 exc D D FFC l C A C 30185 58 1 CASE ASSY blower Vw brackets 80 63 Ser 10 thru 30 w Air Flow 3143552 1 GASKET blower case 87 72 Ser 10 thru 30 Blazer exc D l V D 3884089 1 V GASKET blower 53 63 All exc C A C 3130055 1 A NUT retaining use fans w o set screws 57 59 Ser 3 w Recirc i A 64 70 All Blazer 3130804 1 NUT retaining No 10 32 V 71 72 Ser 10 thru 30 Blazer exc D 4 i D 3011293 1 NUT w lockwasher fan to motor 60 63 Ser 10 thru 30 w Air Flow 3143552 1 Y GASKET blower case 67 72 Ser 10 thru 30 Blazer exc D V V D r V 3894089 1 V GASKET blower I 8 886 VALVE ASSY CAP NIPPLE TEE Heater 38 72 All w hose 3857131 1 water shut off hose insert type GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL 8 85 8 888 a a REV 5 79