2 SECTION 60 1 1973 79 6 CYL 3 9L 240 c 1 TRUCK SERIES 100 500 4 9L 300 c QUANTITY YEAR MODEL RESTRICTIONS 240 300 300 PART NUMBER DESCRIPTION 1 0 H 0 6B018 WIRING ASSY BLOCK HEATER 73 1 1 QQ D2AZ 68018 A 74 ori 74 F100 350 1 1 1 D7TZ 68018 A Used with single block heater 74 E100 300 1 1 1 74 77 P350 500 1 1 75 77 B F500 1 73 1 1 1 DZAZ 6019 A c0vER ASSY CYLINDER Faoilm 73 382781 5 88 544 w bolt cover to block hex washer hd 5 16 18 x 7 8 73 1 1 1 c8Az 6020 A aAsi c7 CYLINDER Faoin covsm 6023 POINTER TIMING 73 74 1 DZTZ 6023 D Not replaced 3 84 74 With T E 1 75 E F100 1 76 77 E F100 T E Calif 1 Bef0re Ser O80 001 77 E F100 Calif w Monolithic 1 timin From Ser 080 001 73 1 C6TZ 6023 8 74 Without T E 1 75 78 E F150 500 P350 500 1 1 75 77 B F500 1 76 78 E F100 T E exe Calif 1 1 77 78 E F1OO CaIif w 0 Monolithic 1 timing Fr0m Ser O80 001 79 E100 350 exc Calif 1 1 79 F100 350 exc Calif 1 1 79 E F350 Calif 1 1 79 E F100 250 Calif 1 1 D9TZ 6023 B 6AO23 SUPPORT REAR 73 74 E100 300 1 1 C8UZ 6AO23 A Not re laced 3 81 i 73 76 F100 250 exc Crew cab 1 1 D5TZ 6AO23 A Super cab 2 W D Bef0re Ser COO OO1 76 78 F100 250 exc Crew cab 1 D6TZ 6A023 A Not replaced Super cab 2 W D From Ser C00 001 77 F25O 4 w D 1 77 F350 Reg cab 1 79 F100 250 Reg cab 2 W D 1 1 and M T 79 F100 150 Reg cab 2 vv D 1 1 and C4 A T 74 F250 Crew cab 2 W D 1 CBTZ 6A023 B 73 76 F25O 4 W D 1 1 73 76 F350 exc Super cab 1 74 76 F250 Crew cab 2 W D 1 73 74 F100 4 w D 1 D4TZ 6AO23 A Fr0m Ser Q60 001 75 F100 4 w D and M T 1 76 F150 4 w D 1 74 77 F100 250 Su er cab 1 D4TZ 6AO2 3 B Not re laced 3 81 77 F250 350 Crew cab 1 D9TZ 6AO23 A Must be used with D8TZ 6096 A 77 F350 cowl 1 DBTZ 6096 B brackets 78 F100 250 Super cab 2 W D 1 1 Bef0re Ser CC0 OO1 77 F150 4 w 0 I 1 1 I D7TZ 6A023 B 78 F250 re cab 4 W D 1 78 F25O Crew cab M T 1 D8TZ 6AO23 A Bef0re Ser CC0 001 79 F100 250 Super cab 2 W D 1 1 h and M T