6 SECTION 60 2 1973 79 TRUCK SERIES 100 500 8 cvt 5 0t 302 c 1 o QUANTITY YEAR MODEL RESTRICTIONS 302 PART NUMBER DESCRIPTION 6A312 PULLEY ASSY CRANKSHAFT OUTER Also refer to ulle I D Chart Section 60 Pa e 12 73 74 E100 300 std cooling and 1 D1TZ 6A312 A D1TE 6312 AB doubIe sheave 6 3 8 pulley std alternator dia 2 13 16 long uses 3 S belts 73 74 E100 300 P S without A C 1 and T E 73 E10o 300 hah oh A c 1 if D3UZ 6A312 B not re lated 9 84 73 74 E100 300 integral A C 1 D1TZ 6A312 B D1TE 6312 BA triple sheave 8 13 32 outer sheave dia 6 1 Z inner sheave dia uses 1 2 belts not re laced 9 81 74 E100 300 T E with or 1 D4UZ 6A312 A D3UE 6312 AA triple sheave 6 3 8 without P S without A C uses 3 B be ts not re laced 9 84 73 74 F100 std cooling and 1 DOZZ 6A312 A DOZE 6312 B trip e sheave 6 11 16 dia std a ternator without T E 5 15 16 dia replaces single sheave pulley 77 F100 without T E 1 DOOE 6312 A R s or A c 77 F150 without P S 1 or A C 78 F100 150 A T Calif without 1 P S or A C 73 F100 hahooi A c 1 o2Az 6A312 E 79 E100 250 han on A C 1 73 F100 150 P S without A C or 1 D5DZ 6A312 A D3DE 6312 AA four sheaves T E 73 74 F100 integral A C without T E 1 73 74 F100 55 amp alternator 1 with or without P S with0ut A C 77 F150 with A c or 1 P S 77 F100 T E and A C 1 78 F100 P S with or without T E 1 or A C 78 F100 A c without T E 1 79 E1o0 230 with or 1 without A C 74 F100 T E without P S 1 D4TZ 6A312 B D3AE 6312 BA double sheave 6 9 16 dia or A C outer pulley 5 3 4 dia inner pulley 78 F100 M T Calif without P S 1 or A C 74 F100 T E P S without A C 1 D4AZ 6A312 A D3AE 6312 CIA C2A four sheave replaces ulle s D3AE 6312 AA 79 E100 230 hang on A c 1 DOOZ 6A312 E DOOE 6312 B two sheaves may be required to install hang on A C on units equiped with DOAE 6312 C or DOOE 6312 C 0 E ulle s 6316 DAMPER ASSY CRANKSHAFT also refer to ulle I D chart Section 60 a e 12 73 74 E100 300 1 D3UZ 6316 A 6 1 2 0 0 x 3 7 32 ion 73 77 F100 130 1 QQQ oarz 63161 D8TE FA 78 F100 130 Berote ser Boo 001 1 Qi D8TZ 6316 A D8TE EA r b 0812 6316 B 8 82 78 F100 160 From Ser BG0 001 1 D8TZ 6316 B D8TE FA 79 E100 250 1 73 1 377850 5 BB 273 A bolt damper to crankshaft 5 0 1a X 2