SHEET METAL HEATER GMC GROUP 8 854 Con t 73 78 CK 1 2 3 Blazer Jimmy exc A C 6273325 1 2 05 SEAlL core pipe 23 5344 A 73 75 CK 1 2 Sub 73 75 G 1 2 3 76 78 G 1 2 3 w rear aux A heater 13017020 1 38 SEAL heater lower case 23 5344 73 75 CK 1 2 3 w aux htrs 76 78 G1 2 3 w aux htr 13016764 1 40 SEAL htr upr case 23 5344 V 77 G 1 2 3 3028254 1 13 50 SEA T core valve 23 5344F 78 G 1 2 3 w A C C60 3023773 1 91 SEAT A C condenser inlet hose tube 23 5344F 73 78 CK 1 2 3 Blazer Jimmy 3024860 1 9 70 SHROUD heater core 23 5347 76 77 G 1 2 3 3021493 1 3 85 VALVE w seal asm air 23 5344 78 G1 2 3 exc C60 3037540 1 59 00 VALVE ASM w housing temp htr 23 5344 8 855 MOTOR MOTOR ASM RESISTOR RESISTOR ASM SEAL Heater 73 G 1 2 3 4960476 1 53 75 MOTOR 23 5230 73 75 CK 1 2 Sub 73 75 G 1 2 3 4916995 1 83 25 MOTOR aux heater 23 5230 73 77 G 1 2 3 22021259 1 38 55 MOTOR ASM heater blower 1 terminal 23 5230 76 77 G 1 2 3 w A C 4999693 1 50 40 MOTOR ASM heater blower 2 terminal 23 5230 76 78 G1 2 3 exc A C 740990 1 53 50 MO I 0R car htr blo to service internally vented htr blo asm which does not have ext clg tube 23 5230 76 78 G 1 2 3 w rear aux heater 4999707 1 79 25 MO TOR ASM aux rear 23 5230 t 77 78 CK 1 2 3 Blazer Jimmy V w H D Htr A C 22020945 1 N L MO TOR ASM htr blower 23 5230 73 75 CK 1 2 3 Blazer Jimmy 76 78 CK 1 2 3 Blazer Jimmy exc h duty heater defroster A C 22021257 1 N L MOTOR ASM heater 23 5230 A 78 G1 2 3 exc A C 22010408 1 49 00 MOTOR elec w bracket for heater l mtr only 23 5230 73 78 G 1 2 3 w aux htr 3929052 1 2 65 RESISTOR ASM htr blower motor 23 5310 V 73 78 CK 1 2 3 Blazer Jimmy exc H D heater A C 9796480 1 2 85 RESISTOR ASM htr blower 23 5310 73 77 CK 1 2 3 Blazer Jimmy H D heater and defroster w A C 500890 1 3 85 RESISTOR ASM car heater blower 23 5310 76 78 G1 2 3 exc A C C60 3929053 1 2 95 RESISTOR blower motor 23 5310 73 78 G 1 2 3 346769 1 41 SEAL motor resistor 23 5344 8 856 a SUPPORT Heater Motor 73 78 All w aux heater 3145757 1 37 25 SUPPORT aux w guard 23 5370 8 857 BLOWER ASM CASE ASM FAN FAN ASM NUT NUT W LOCKWASHER WASHER Heater 73 78 CGK 1 2 3 Blazer Jimmy exc A C 3027031 1 N L FAN ASM w out short stack mtr V asm 23 5090 73 78 All w aux heater 3007341 1 29 00 FAN ASM aux 23 5090 78 CK 1 2 3 w H D Htr 3037550 1 10 15 FAN blower w short stack mtr asm 23 5090 Tg 73 76 CK 1 2 3 Blazer n Jimmy w H D heater defroster 3029517 1 102 00 BLOWER ASM w air inlet 23 4870 73 78 CK 1 2 3 Blazer Jimmy exc A C H D heater 3027319 1 31 50 CASE ASM w cut off 23 4952 l 75 78 CK 1 2 3 Blazer Jimmy w heavy duty heater defroster 3029730 1 36 00 CASE ASM w cut off 23 4952 73 78 CK 1 2 3 Blazer Jimmy 3011293 1 33 NUT w lockwasher fan to motor 26 0935 73 74 CKG 1 2 3 Blazer Jimmy w A C 3027134 1 26 NUT a c evap fan retainer 26 0935 73 77 CKG 1 2 3 Blazer Jimmy 3015545 1 23 WASHER heater blower motor fan to motor 9 216 23 5425 8 866 CAP FITTING NIPPLE TEE VALVE ASM Heater 73 75 All w aux heater 3857131 1 7 65 VALVE ASM aux shut off 23 5415 75 77 G 1 2 3 348782 1 2 35 VALVE ASM air shut off 23 5410 1 WAREHOUSING AND DISTRIBUTIONDIVISION OF GENERAL MOTORS CORPORATl0N LT TRUCK 51 1 REV 2 83 8 15 8 854 8 866