65 Ser 60 w H D Radiator D478 exc TDM 2463052 1 4 20 NIPPLE rad water by pass to tee 62 64 Ser 60 4 53 5184301 1 25 RING water by pass tube seal use w Va 0 D tubing 62 66 Ser 80 6V 53 5125150 3 08 RING water by pass tube seal 60 62 Ser 70 80 348 409 62 66 Ser 60 327 exc P T 67 68 Ser 50 60 327 350 exc P T 69 Ser 40 350 70 All 350 3833263 1 3 65 TEE thermostat by pass at water pump 62 64 Ser 60 Tilt 327 144086 1 85 TEE thermostat by pass 14 8 963 62 64 Ser 60 4 53 5108944 1 2 6 7 TUBE water by pass V O D x 15V O L use w I D hose 62 66 Ser 80 6V 53 5124882 1 4 223 TUBE water by pass 62 66 Ser 80 6V 53 5125023 1 5 87 TUBE water by pass crossover 65 69 All 3 53 4 53 5133035 1 4 712 TUBE water by pass 1 105 SHAFT ASSEMBLY Coolant Plump w Bearing 55 62 All 6 cyl 907893 1 3 5 4 6 0 L 56 59 All 322 65 70 All 292 907970 1 8 018 58 70 All 348 366 409 427 907668 1 7 012 SV long 62 69 All 3 53 4 53 6V 53 904827 1 8 20 5V long 63 64 Ser 50 60 292 907369 1 3 54 SVI long 65 67 All 230 250 68 All 250 307 327 350 907968 1 3 76 65 69 All DH478 907871 1 6 84 66 67 All 283 327 907856 1 3 64 4 V long 69 70 All 250 350 908012 1 4 12 water pump 1 109 ROTOR Coolant Pump 41 54 All 55 Util 598313 1 1 50 cast 598313 55 67 All 265 283 327 3704164 1 1 90 stamped 3704164 55 62 All 6 cyl 63 70 Ser 40 thru 60 292 3920920 1 2 30 water pump 58 65 All 348 409 63 SBC w dbl by pass coolant pump 348 63 Ser 80 348 409 w dbl by pass coolant pump 3938933 1 3 25 63 67 Ser 40 50 230 250 3873840 1 2 20 stamped 3812976 66 67 All 366 3863197 1 2 80 3 4 O D stamped 3863197 68 70 All 250 3920917 1 2 30 water pump 68 70 All 366 427 3921939 1 3 10 water pump 68 70 All 307 327 350 3923250 1 2 30 water pump 1 113 PLATE Coolant Pump Back 58 62 All 348 409 3734990 1 65 hex shape six z dia attach holes 63 65 All 348 409 3833258 1 5 00 hex shape six dia attach holes 66 70 All 366 427 3878262 1 80 67 68 All 283 307 327 70 All 350 3782610 1 40 1 114 GASKET Coolant Pump 41 54 All 55 Util 839469 1 10 to plate 56 59 All 322 1 1681 19 1 15 cover irregular shape 55 70 All 265 283 307 327 A 350 378261 1 1 10 1 123 SEAL SEAT ASSY Coolant Pump 55 64 All exc Diesel 65 All exc Diesel 292 65 66 All D351 D DH478 66 67 All 250 283 307 327 67 All D DH478 3756933 1 1 10 1 C D x V 65 70 All 292 366 427 3928976 1 1 10 SEAL ASSY water pump 68 70 All exc 292 366 427 DH478 3927156 1 1 10 SEAL ASSY water pump 58 70 All exc Diesel 3920918 1 60 SEAT ASSY water pump seal 1 148 GAUGE BUZZER ASSY Coolant Temperature Dash Unit 54 55 Util exc D D C O E FFC 1512692 1 10 51 tube 44 O L 55 Ser 4 6 6 cyl exc D D 1513191 1 10 51 tube 43 O L 56 59 All 1513381 1 6 21 electric 1971 CHEVROLET MOTOR DIVISION GENEFlAL MOTORS CORPORATION P A 31S REV 6 71 1 35 1 097 1 148