S COOLANT GRILLE OIL SYSTEM 1 150 GAUGlE SWITCH ASSY Ctoolant Temperature Engine Unit Con t 57 64 All 65 66 Ser 60 80 exc D DH478 65 Ser 50 exc D351 D D 66 Ser 50 exc D351 65 66 Ser 50 Tilt D351 65 66 Ser 60 TDM D DH478 r 67 70 Ser 40 thru 60 65 66 All D351 exc Tilt 65 Ser 80 D DH478 65 66 Ser 60 D DH478 exc TDM 71 72 All exc Tilt 70 72 Tilt 8 cyl 1513321 1 sending unit electric 70 72 Tilt 6 cyl 6489278 1 sending unit 65 66 Allw A O H B D DI I478 6402752 1 SWITCH ASSY sending unit electric 65 Ser 50 D D 1993462 1 SWITCH ASSY sending unit stamped AC I 238 242M 71 72 Tilt w eng alarm sys 6400034 1 SWITCH ASSY eng temp 1 152 CORD ASSY Engine Heater 69 70 All w Prod Engine Hleater 732546 1 semi circular receptacle 69 70 All w Acc Engine Heater 732591 1 rectangular receptacle 1 153 OUTLEET IELBOW FITTING FI ANGE SLEEVE Coolant 55 58 All 265 283 348 exc P T 59 Ser 4 6 w L D 283 60 66 Ser 40 50 8 cyl exc TiI1 64 65 Ser 60 327 exc Tillt 67 All 327 3837223 1 cast aluminum 55 58 Ser 4 6 6 cyl exc P T 60 64 Ser 40 50 230 64 Ser 60 Tilt 327 65 68 Ser 40 thru 60 Tilt 283 327 A 307 65 66 Ser 40 thru 60 6 cyl exc l Tilt 69 72 Tilt 350 329223 1 cast 3836209 65 71 Ser 40 thru 60 Tilt 6 cyl 3864482 1 fx 66 72 All 366 427 3860303 1 I 70 72 All 6 cyl exc Tilt 338117 1 K 65 66 Ser 50 60 3 53 4 513 exc Tilt 67 69 All 4 53 exc Tilt 5116081 1 ELBOW water outlet 65 66 Ser 60 Tilt 4 53 67 68 Tilt 3 53 4 53 5135633 1 ELBOW water outlet 65 Tilt D DH478 66 68 Tilt D351 D DH478 2461878 1 FITTING water outlet 62 64 Diesel exc LCF 65 66 Tilt 6V 53 5116409A Fl FLANGE cast 5116409 65 69 All D351 D DH478 538440 1 FLANGE water outlet 65 66 All D351 D DH478 67 69 All D DH478 l 2449920 2 SLEEVE water outlet 1 154 GASKET Coolant Outlet 38 55 Util 55 57 Ser 4 5 6 7 8 w P T 58 59 All exc P T 10F 261 60 62 Ser 40 50 63 66 Ser 50 230 283 65 70 All 6 cyl 65 66 Ser 60 80 348 409 67 69 Ser 40 thru 60 8 cyl water outlet 58 59 All w P T exc 10F 59 Ser 6 w L D 283 60 66 Ser 60 thru 80 8 cyl 67 69 Ser 40 thru 60 8 cyl 71 72 All exc 366 427 3701777 A R by pass thermostat housing 4 3a long 1 dia large hole 55 59 All 322 1192735 2 2 u l D x 2 az O D 56 57 Ser 5 6 7 8 exc P T 58 59 All w P T exc 10F L D 261 59 62 All 261 ke 60 63 Ser 60 thru 80 8 cyl 3765024 1 2 gz dia large hole 62 66 Ser 50 60 3 53 4 53 67 69 All 3 53 4 53 5116092 1 elbow 63 66 Ser 50 60 230 250 292 3789539 1 y GM PARTS DllVlSlON GENERAL MOTORS CORPORATION CHEVROLET 72TM REV 5 79 1 1 5 1 150 1 154