CHEVROLET PARTS AND ACCESSORIES CATALOG mn Mom 1 PART muvu PIQQT Ulggb Plgfgz 1 002 REPAIR KIIT Water Pump 36 ALL 603745 1 3 40 37 54 ALL 55 COMM UTIL lst Ser 3690932T 1 1 05 NOTE Consists of rotor cmd shaft bushings packing thrust washer gasket TNOTE Consists of seal assy seal washer bearing reta iner plate gaskets 1 003 SHAFT ASSY Water Pump w Bearing 41 54 ALL 55 COMM UTIL lst Ser 42 O L 954252 1 3 70 55 5 7 PASS 6 cyl 55 57 COMM UTIL 6 cyl 2nd Ser 6 O L 954859 1 3 75 55 57 ALL CORV 8 cyl 41 O L 3704162 1 3 45 1 062 PULLEY REINFORCEMENT HUB SPACER Fam um l Water Pump 38 ALL w 598308 pump 838764 stamped on pulley shaft hole 610 dia 598310 1 2 05 39 52 ALL 53 55 UTIL lst Ser 838905 stamped on pulley 838904 1 2 05 53 55 PASS COMM lst Ser pulley V wide 3703600 1 2 05 53 55 CORV 6 cyl 3706007 1 2 75 55 57 PASS 6 cyl 3709993 stamped cm pulley 3709993 1 1 65 55 56 PASS CORV 8 cyl 57 PASS CORV 8 cyl exc dual 4BC C A C 3704172 stamped on pulley 3704172 1 1 65 55 56 PASS w C A C trout 3714500 stamped on pulley 3714500 1 2 50 55 57 COMM UTIL 6 cyl 2nd Ser 3711752 stamped an pulley 3711752 1 2 05 55 57 COMM UTIL w 265 57 PASS CORV w dual 4BC 37113974 stamped on pulley 3713974 1 1 65 57 PASS 6 cyl w C A C 3731399 1 3 00 57 PASS 8 cyl w C A C 57 Ser 6 8 cyl 7 dia stamped 3738881 3738881 1 3 65 55 57 PASS 6 cyl HEINFOHCEMENT cup shape deep 3 55 57 COMM UT1L 6 cyl 2nd Ser O D x I D with four 11 holes 3720616 1 30 53 54 CORV 55 57 PASS CORV 55 57 COMM UTIL 2nd Ser HUB pulley 3836771 1 60 56 PASS 6 cyl w C A C exc CONV SPACER 1 D x 2 O D 3136728 1 45 NOTE Pumps having fan and pulley hub pressed to 348 dim must use this reinforcement when replacing pump with pressed dim of 288 1 004 BLADE ASSY Pan 37 40 GA HA KA KH 15 dia 2 bolt circle 1 in shaft hole 41 54 PASS staggered blades 8382771 1 3 00 37 39 GB GC GD GE S HB IB IC 1D IE V 16 dia 2 bolt circle 1 in shaft hole 39 49 PASS w hvy duty equip exc IB KB staggered blades 40 49 PASS exc KA KB use w 11 41 rear axle only 8382791 1 3 00 37 55 UTIL low speed operation lst Ser 18 dia 6 blades 3707662 1 4 25 39 55 COMM UTIL lst Ser exc 261 18 dia 4 blades 839020 1 3 00 39 53 ALL lor low speed operation 16 dia 2 bolt circle 1 in shaft hole staggered blades 603353 1 3 00 53 55 CORV 6 cyl 1344087 1 3 45 54 55 ALL w 261 lst Ser 18 dia 4 blades 3708928 1 3 00 55 56 PASS exc 8 cyl w C A C 55 56 CORV 8 cyl 17 dia 4 blades 3704803 1 3 00 55 57 PASS 8 cyl w C A C 18 dia 5 blades 3730342 1 7 45 55 56 COMM 1 TON 45 cyl 2nd Ser 20 dia 4 blades 3716797 1 3 00 55 56 COMM 1 TON 13 cyl 19 dia 4 blades 3718843 l 3 00 56 57 2 TON 6 cyl 20 dia 5 blades 3739248 1 6 85 56 57 2 TON 8 cyl 19 dia 5 blades 3739249 1 7 25 57 PASS exc 8 cyl CZ A C 17 dia 1 bolt circle shaft hole 3739265 1 3 00 57 CORV 17 dia 1 bolt circle shaft hole 3735314 1 3 00 171 1 002 1 064