65 Ser 50 60 TILT 292 lst design 65 66 Ser 60 w P T 292 HOSE therm by pass 3865767 1 2 75 65 66 Ser 50 60 TILT 292 2nd design HOSE water by pass 3876201 1 2 75 f 65 Ser 60 80 LCF 478 exc H D Cooling 65 Ser 60 80 TILT 478 65 Ser 60 w H D Eng 478 exc TILT 65 Ser 80 TDM w H D Eng 478 HOSE rad to eng by pass 65 Ser S0 351 exc TILT 65 Ser 60 80 478 exc TILT LCF heater return hose 23351020 1 11 00 ALL ALL HOSE water by pass A I D 3865329 A R 8 962 60 61 Ser 70 80 w P T exc TILT TEE water pump air bleeder M6 24 inter and 14 inter and ext thds 3781741 1 2 50 61 62 ALL w P T 348 409 exc I TILT 63 TILT w P T 348 409 TEE thermostat by pass hose Z 14 thd 3795983 1 2 90 62 64 Ser 60 TILT 327 TEE thermostat by pass l4 144086 1 8 963 61 Ser 70 80 TILT NIPPLE thermostat by pass at connector 61 Ser 70 80 exc LCF TILT 62 63 Ser 80 exc TILT P T 63 Ser 60 SBC 348 exc P T 197 225 W B thermostat by pass hose at water outlet 62 Ser 80 TILT 63 Ser 80 TILT exc P T 64 Ser 80 TILT 64 Ser 60 TILT 348 65 66 Ser 60 80 TILT 212 348 rad surge tank inlet hose at thermostat 66 Ser 50 60 TILT 283 327 housing 62 Ser 80 w P T exc TILT 63 Ser 60 SBC w P T 348 exc 197 225 W B 64 Ser 60 w P T 348 exc LCF TILT TDM 64 Ser 60 TILT 327 f 64 Ser 80 w P T exc LCF TILT 65 66 Ser 50 60 TILT 283 327 thermostat by pass hose 62 Ser 60 TILT w P T 327 water outlet at surge tank inlet hose 62 Ser 60 TILT 63 Ser 60 TILT 327 rad surge tank outlet hose 63 Ser 80 TILT thermostat by pass hose at water pump 63 64 Ser 80 TILT rad surge tank outlet hose at water P1 mP 64 Ser 60 TILT 327 rad surge tank outlet hose at thermo 65 Ser 50 60 TILT 283 327 stat by pass hose 64 66 Ser 60 327 exc TILT thermostat by pass housing 64 65 Ser 80 TILT w P T thermostat by pass hose at rad 66 Ser 50 TILT 250 rad surge tank inlet or outlet hose 1 long 1 LD 3788950 A R 1 25 64 65 TILT 348 409 65 66 ALL 159 212 exc TILT NIPPLE thermostat by pass at water pump rad surge tank outlet at water pump 3829837 A R 1 35 65 ALL w H D Eng 478 65 Ser 60 w H D Radiator 478 exc TDM I I D engine NIPPLE rad water by pass to tee 24630520 I 3 25 62 64 Ser 60 212 TUBE water by pass Z O D x 15 I O L use w Z I D hose 5108944l 1 2 36 62 66 Ser 80 318 TUBE water by pass 5124882l 1 3 74 62 66 Ser 80 318 TUBE water by pass crossover 5125023 I 1 5 19 65 66 ALL 159 212 TUBE water by pass 5133035 I 1 4 17 62 64 Ser 60 212 RING water by pass tube seal use w Z O D tubing 51843010 1 24 62 66 Ser 80 318 RING water by pass tube seal 5125150 I 3 08 62 65 Ser 60 212 65 Ser 50 159 FLANGE water by pass tube 5119425 1 1 531 62 66 Ser 80 318 FLANGE water by pass tube 5125867 I 3 28 60 62 Ser 70 80 BY PASS UNIT thermostat 3834712 1 19 8 66 Ser 60 80 366 GASKET therm by pass elbow 3856358 1 10 I966 ChovroI t Motor Division I General Motors Corporation 149 REVISED MAY I 1966