46 SECTION 80 1973 7 9 TRUCK SERIES 100 500 ENGINE YEAR MODEL RESTRICTIONS CYL C I D PART NUMBER DESCRIPTION QTY C C D 8501 PUMP ASSY WATER Cont d 74 E100 200 F100 T E E 300 371485 5 PP 48 A plug water pump hex 1 74 77 B F500 300 counter sunk head 3 4 14 1 75 F100 I 302 56128 5 B 319 MD bolt pump to front cover 2 5 10 10 X 2 1 2 75 F100 E 302 373963 5 BB 545 BE bolt pump to front cover 1 5 16 18 X 2 7 0 8507 GASKET WATER PUMP HOUSING and CYLINDER 73 03E i P100 500 B 240 300 c5AZ 8507 A 1 73 76 F100 350 M450 500 n 360 390 B8A 8507 A 2 holes 2 73 E100 300 F1OO 0 302 D9AZ 8507 A 1 75 E100 350 8 351W 1 y E250 350 r100 350 M45o 500 QM CBVZ 8507 A 1 73 77 0 0000 330M D cm 0507 A 2 8508 COVER WATER PUMP 73 77 B P500 8 330M D C2AZ 8508 A Round w 6 tabs inc 1 CZAZ 8513 A gskt 1 73 76 F100 350 M450 500 8 360 390 1 23 74 5100 300 Il 302 GSAZ 8508 A 1 73 F100 150 8 302 DOOZ 8508 A Incl 1 DOAZ 8513 A gasket 1 79 E100 250 8 302 1 75 E100 350 8 351W 1 73 E250 350 F100 350 M450 500 M CBSZ 8508 A 1 VQ E100 300 E 302 372139 5 BB 540 bo t cover to um 5 16 18 x 1 2 2 73 F100 E 302 382985 52 BB 427 Z b0 t cover to pump 5 16 4 18 x 1 2 73 76 F100 350 360 390 359061 58 BB 531 boIt cover to pump hex head 6 s ecial 5 16 18 x 7 16 l ENGINE YEAR I MODEL RESTRICTIONS CYL C I D PART NUMBER 0 D DESCRIPTION QTY C C D SHEAVES INCHES M 8509 PULLEY WATER PUMP 73 76 B500 n 300 D1TZ 8509 A 2 7 D1TE AA 1 77 B500 n 300 D7TZ 8509 A 3 0 1 8 7 D7TE AA 1 74 B500 330M D DOTZ 8509 A 2 6 1 16 DOTE A 1 75 B500 Bef0re Ser WO0 001 8 330M D DSTZ 8509 B 3 5 11 32 D5TE EA D5HA AA 1 76 B500 83DBA without T E 8 330M D j6 B500 with T E 8 330M D 75 8500 From Ser W00 001 330M D DSHZ 8509 C 3 6 3 4 D5HA AA 1 76 13500 without T E 0X0 330M 0 D5TZ 8509 0 2 a 05TE JA 1 f 83DBA 77 E100 w T E w 0 A C 0 300 D7TZ 8509 8 3 5 11 64 7 D7TE EA 1 From Ser 080 001 77 E100 W 0 T E w 0 A C 300 D7TZ 8509 E 1 7 3 64 D7TE GA 1 From Ser 080 001 73 77 E100 350 w 0 T E w o A C E 240 300 C5AZ 8509 A 1 6 63 64 C5UE A Before Ser 080 001 77 EIOO 350 w 0 T E w A C E 300 D7TZ 8509 C 3 6 5 32 D7TE CA 1 From Ser O80 001 79 E100 350 Han on A C 300 1 74 E100 300 89 T E 300 04TZ 8509 A 3 0 1 4 7 D4TE CA D5TE KA used to 1 75 77 E100 w T E w o A C 300 service 2 sheave pulley also 1 Before Ser O80 001 77 0100 350 Han on A C 300 1 78 EIOO 350 han 00 A70 l 300 D8TZ 0509 B 1 75 76 E100 350 A A Hang 00 A 0 300 0 D5UZ 050940 1 not re laced 77 E150 350 w o T E w A C 300 CSTZ 8509 A 3 6 3 16 C6AE C C8TE A 1 Before Ser O80 001 6 31 32 77 E150 350 70 amp Alt 1 w aux heater