2 SECTION 190 1973 79 TRUCK SERIES 100 500 YEAR MODEL RESTRICTIONS PART NUMBER DESCRIPTION TY 19F524 REFLECTOR ASSY FLARE A 74 76 E100 300 F100 350 D4AZ 19F524AA AR 198540 FIRE EXTINGUISHER KIT 73 EF U100 350 D6AZ 19B540 A 10 BC Pur le l d chemical 1 190550 ANTIARATTLE AIR CONDITIONER REGULATOR CONTROL 73 74 I E100 300 A A inte ral A C C9UZ 19055OAA 1 19A551 MEDALLION ASSY AIR CONDITIONER REGISTER 73 A l E1O0 250 A A nan Aon A C D1FZ 19A551AA 1 198552 SEAL AIR CONDITIONER EVAPORATOR CORE TUBE TO CASE m 73 75 I F100 350 A A integral A CA DZTZ 19B552 A InnerAn0t re laced 1 I Betore Ser WO0 001 DZTZ 19B552 B OuterAn0t replaced 1 75 I F100 350 A A w integral A C D5TZ 19B552 A Inner 1 I Erom Ser WO0 001 I l D5TZ 19B552 B Outer 1 42 E100 250 A A w inte ral A C D5UZ 19B552 C Main eva 0rat0rA0uter 1 75 EIOO 350 A A w aux A C or D5UZ 19B552AB Auxiliary evap0rat0rA0uter 1 aux ntr l9A553 HOUSING A C EVAPORATOR or HEATER CORE A Also refer to group 19944 g 75 i E100 350 A A aux A C and 0r D7UZ 19A553 A 1 l aux ntr 19B554 BRACKET AIR CONDITIONER EVAPORATOR OUTLET DUCT MOUNTING L3 74 I E100 300 9 A A integral A C C9UZ 19B554 A 1 78 E100 350 A A buiItAin auxiliary RH DBUZ 19855 4 A LH D8UZ 19B554 B 1 A C dealer installed 7 73 74 E100 300l89 A A inte ral A C 52554 S8 UA230 AscrewAN0 8 15 x 5 8 7 19A559 HOUSING AIR CONDITIONER EVAPORATOR CORE 73 F100 350 A A w integral A C 0r D5TZ l9A559 A Fr0nt when used on 73 74 veh 1 pc 1 l HIAI0 vent D5TZ 19B589 A also re uired 73 76 I F100 350 A A w integral A C D3TZ 19A583AA Rear 1 l Before Ser C75 000 Not re laced 8 82 76 1 P100 350 A A vv integral A C or D7TZ 19A583 A Rear 1 HiAl0 vent From Ser C75 00O 75 76 E100 350 A A w integral A C D5UZ 19A559 A 1 Bef0re Ser A50 001 76 E100 350 A A integral A C 0r Hi D6UZ 19A559 B 1 L0 vent From Ser A5O OO1 19A563 VALVE AIR CONDITIONER VACUUM CHECK 78 EIOO 350 F100 350 A A D7OZ 19A563AA 1 w inte ral A C 19D564 COVER AIR CONDITIONER EVAPORATOR THERMOSTAT TUBE 73 74 e100 300 A A integral A C C9UZ 19D564 A 1 52554 58 UA23O Ascrew N0 8A15 x 5 8 2 19A5 6 TANK and BRACKET AIR CONDITIONER VACUUM RESERVOIR 75 76 E100 350 A A integral A C D40Z 19A566AA 1 1 aux A C Before Ser C75 O0O 7e 78 7 E100 350 A A integral A C 06TZ 19A566AA 1 3 aux A C or HiALo vent l Fr0m Ser C75 000 t0 A 0 OO1 l 78 E100 350 A A integral A c D7OZ 19A566AA 1 81 aux A C or l liAL0 vent Frorn Ser AJ0 001 76 78 F100 350 A A integral A C or Hi D6TZ 19A566 A D6TA 19A566AA 1 r L0 vent Qjletore Ser AJ0 001 78 l F100 350 A A integral A c or Hi 0702 19A56 A 1 E0 vent Erdm Ser AJ0 001 A 73 75 I F100 250 A A inte ral A c DODZ 19A566 A 1 9A575 COVER AIR CONDITIONER EVAPORATOR CORE FRONT HOUSING JL f F100 350 A A integral A C I g DBTZ 19A575 A Not reglaced 1