1 COOLANT GRlLLE OIL SYSTEM 1 1 1 002 A PULLEY REINFORCEMENT SCREW Fan and Water Pump Con t A 1 70 Ser 10 Blazer w Air Cond 1 P 307 70 Ser 10 thru 30 w A T 350 1 exc D D 1 1 1 71 72 Ser 10 thrul30 Conv 4 WD 1 Blazer w Air Cond 307 A 71 72 Ser 10 thru 30 Conv 4 WD 1 1 w A T 350 72 P 10 3995040 1 PULLEY ASSY water pump and fan 1 71 72 G 10 20 30 w A T 8 cyl exc floor rntd A C 1 1 1 71 72 Ser 30 D D w M H C 400 351000 1 PULLEY ASSY stamped A0 1 groove 71 72 G 10 20 30 0 cyl exc A T P floor mtd A C 330550 1 PULLEY ASSY stamped AS 1 groove 71 72 630 D D 1w M H C exc 1 A 1 71 72 G 10 20 30 w floor mtd A C 3993342 1 PULLEY ASSY 1 72 Ser 10 20 Conv 4 WD Sub A w C A C 1 320304 1 PULLEY ASSY 55 00 All I 3720010 1 REINFORCEMENT cup shape deep g 1 3 O D x LO vv four holes A Note 2 05 09 All w P G 3050072 4 SCREW 20 x 1 1 004 BLADE ASSY BRACKET SPACER Fen NOTE Original equipment fans may be replacedby fans with additional blades higher strength material or composite bolt circles 1 1 39 55 Comm lst Ser exc 201 3707002 1 18 dia 6 blades 01 Ser 10 D D w P G H D Rad 04 05 G 10 0 cyI exc P G 05 00 Ser 10 thru 30 w Air Cond 1 i i t H D Red exc 02 amp 292 1 327 3990930 1 1B dia 5 blades 1 bolt circle 1 hub hoIe starnped H 55 57 Ser 3 0 cyl 2 nd Ser 1 1 04 07 1 Ser 20 30 D D 2nd design 1 exc 3 53 3799995 1 20 dia 0 blades 50 59 Ser 3A 3B 3E exc H D Rad 1 P 50 59 Ser 36 8 cyl exc I l D Rad 1 03 Ser 10 thru 30 exc 4 WD 1 1 03 4 WD 2nd Ser 04 Ser 20 30 D D lst design 04 00 Ser 10 D D exc 250 A 1 04 Ser 10 thru 30 283 1 05 00 Ser 10 thru 30 283 exc Air Cond H D Cooling 3039202 1 1 17 dia 4 blades 1 bolt circlee 1 hub hole 55 517 Ser 3 8 cyl 1 A l A 50 59 Ser 3A 30 3E w H D Rad 50 59 Ser 3C 30 3F 4 1 50 59 Ser 3G 0 cyl 50 59 S r 3G w H D Rad 8 cyl S 1 A 00 02 Ser 10 thru 30 exc Fan Drive 1 D l A 00 02 D D enic 1102 W B 1 03 4 WD 1st Ser 04 00 Ser 10 thru 30 lst design A 1 i exc D D 203 327 Air Cond 1 1 H D Cooling 1 1 04 G 10 4 cyl 1 05 G 10 4cyl exc P G A 1 05 Ser 10 20 327 exc H D 1 Rad C A C 1 00 Ser 10 thru 30 327 lst t 9 design exc H D Cooling 1 C A C 1 00 G 10 07 00 Ser 10 thru 30 0 cyl 07 00 Ser 10 20 0 cyl exc Roof Mtg Air Cond T H 07 00 G 10 20 0 cyl exc P G 00 Ser 20 30 D O 3001239 1 10 dia 4 blades 1 bolt circle 01 02 Ser 10 thru 30 w Fan Drive Equip exc 0 0 1 S GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVl 1OLET 72TL 1 REV 5 79 1 1 5 1 002 1 064