COOLANT GR LLE O IL SYSTEM 1 062 PULLEY REINFORCEMENT Fan andi Water Pump Con t 67 68 Y 327 EXC C A C SP H PER 3720616 1 1 40 REINFORCEMENT CUP SHAPE 4 DEEP 3 Z O D X 5 B I D W FOUR gz HOLES NOTE 3 1 064 FAN SPA CER Fan Blade NOTE Original equipment fans may be replaced by fans with additional blades higher strength material or composite bolt circles 60 Y W FAN DRIVE EQUIP 3770529 1 24 40 FAN 17 5 BLADES 3 BOLT CIRCLE 2 HUB HOLE 61 67 Y EXC A C 396 427 3770529 1 24 40 FAN 17 5 BLADES 3 BOLT CIRCLE 2 HUB HOLE 63 66 Y W A C 3931002 1 24 75 FAN 18 7 BLADES 4 BOLT CIRCLE 66 68 Y 327 W A C 3931002 1 24 75 FAN 18 7 BLADES 4 BOLT CIRCLE 66 67 Y 427 3955182 1 23 50 FAN 17 Z 7 BLADES 68 70 Y EXC A C 3955182 1 23 50 FAN 17 Z 7 BLADES 69 Y 350 427 W H PER A C EXC 3 2BC 3955182 1 23 50 FAN 17 z 7 BLADES 70 Y 350 W A C 3955182 1 23 50 FAN 17 Z 7 BLADES 70 Y 454 W A C 3993889 1 23 35 FAN 17 Z 7 BLADES 71 79 Y EXC A C F44 3991420 1 22 25 FAN 17 z 5 BLADES 71 73 Y 350 W A C 3991427 1 30 00 FAN 17 Z 7 BLADES 71 73 Y 454 W A C 3992095 1 30 25 FAN 17 Z 7 BLADES 74 75 Y W A C 342715 1 33 75 FAN 17 Z 7 BLADES 76 Y 350 W H PER A C 1ST DESIGN 342715 1 33 75 FAN 17 Z 7 BLADES 76 Y 350 W A C EXC H PER 1ST DESIGN 372501 1 33 75 FAN 17 Z 7 BLADES 76 77 Y W A C 469580 1 22 120 FAN 18 Z 7 BLADES 78 81 Y W A C OR H D RAD 469580 1 22 120 FAN 18 Z 7 BLADES 79 81 Y 350 W SP H PER 14010275 1 28 75 FAN 47MM 5 BLADES 80 Y 305 350 EXC SP H PER 469580 1 22 220 FAN 18 Z 7 BLADES 81 Y EXC H D C 14010275 1 28 75 FAN 47MM 5 BLADES 81 Y W H D C 469580 1 22 120 FAN 18 Z 7 BLADES 60 Y 3814241 1 3 05 SPACER 2 B O D X 2 THK 68 Y 427 EXC A C 3740523 1 1 40 SPACER 2 5 G4 O D X S THICK 69 75 Y 3947132 1 3 70 SPACER 255 S4 O D X 2 Z THICK 69 Y 427 W H D 3740523 I 1 40 SPACER 2 M O D X E THICK 1 066 BELT Fan Gen and Accessory Drive NOTE Refer to chart at the end of Group 1 000 for 7953 1975 V belts NOTE See V belt chart for 7976 1987 part numbers at end of Group 7 NOTE 2 Used for 7975 only 1 069 PUMP Kl T Engine Coolant NOTE 7 Use old pump as guide by checking distance from hub to pump body Part number 3998206 has a distance of A 3998207 has a distance of 3 B Above pumps do not have adjustable hubs 55 70 Y EXC 396 427 454 3998206 1 N L PUMP KIT NOTE 1 55 70 Y EXC 396 427 454 3998207 I N L PUMP KIT NOTE 1 65 69 Y 396 427 3990993 1 87 25 PUMP KIT 66 70 Y 427 W H D 397763 1 93 50 PUMP KIT 70 Y 454 EXC H D 3990993 1 87 25 PUMP KIT 71 81 Y 305 350 625855 1 58 25 PUMP KIT 71 74 Y 454 6260822 1 83 25 PUMP KIT 1 073 CAP STU D Coolant Pump 64 70 Y 119114 l 1 71 CAP HTR HOSE PIPE 66 Y 396 427 W A I R 461318 LH 56 STUD UPR 66 68 Y 427 EXC A I R 3759755 RH 31 STUD UPR R H PUMP ATTACH 5 16 24 X B 16 X 29 IG 67 Y W A I R 461318 LH 56 STUD UPR 68 69 Y 327 350 427 461318 LH 56 STUD UPR 69 71 Y 327 350 3932368 1 33 STUD WAT OTLT 3 E 16 X 1 Is 70 Y 350 W SP H PER 461318 LH 56 STUD UPR 70 71 Y 454 W P S 461318 LH 56 STUD UPR 72 81 Y 461318 LH 56 STUD UPR 1 079 GASKET Coolant Pump Assembly to Block NOTE 7 When using as L H gasket trim off dia hole 55 67 Y 8 CYL EXC 396 4227 375458 7 2 35 GASKET LEFT OR RIGHT 3 gz LARGE I D CORK NOTE 1 65 74 Y 396 427 454 38600319 2 35 GASKET 1 Is I D X TWO gz HOLES AT ENDS WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 REV 5 81 1 3 1 062 1 079