V vuLAN 1 GRILLE OIL SYSTEM ae ss um V 1 55 56 Ser 4 5 6 7 8 exc P T 1 1 1 57 Ser 4 5 6 1 58 All exc P T 1 59 Ser 4 6 w L D 283 1 gag 33 40 50 V 1 315626Q 1 V 60 degrees poppet must type V V V V V V V V ss sv se 4 5 6 7 8 exc 1 T 1 58 All exc P T 10F 80 61 Ser 70 80 i 55 80 3033770 1 170 degrees poppet pellet type 55 58 Ser 4 6 exc P T 1 63 Ser 50 V 63 Ser 60 80 348 409 2nd design V 1 64 All exc 292 Diesel rV Xg 6 i 9 33i0g V 3033780 1 V 180 degrees poppet pellet type 27 69 All 4 53 D DH478 1 1 1 7 Tilt 3 53 1 59 61 AH exc 0 3 56286A R 170 degrees V 62 Ser 60 80 261 348 64 Ser 50 60 292 3151250 1 THERMOSTAT ASSY 180 degrees 59 61 AH exc 10F Harr1son 16 4 d1a by pass holes 63 Ser 60 292 62 63 Ser 60 327 1 82 63 Ser 80 348 409 1st design 3152312 1 THERMOSTAT ASSY 170 degrees 1 poppet pellet type 62 66 Ser 80 6V 53 5143210 2 THERMOSTAT ASSY 170 degrees 65 66 All D 351 D DH478 67 68 Tilt D DH478 lstxdesign 3156278 2 THERMOSTAT ASSY 175 degrees 66 72 All 366 427 3033783 1 THERMOSTAT ASSY 180 degrees A poppet pellet type 67 70 All 6 cyl 1 69 72 All 350 3030055 1 1 THERMOSTAT ASSY 68 Tilt DH478 2nd design 3153120 1 THERMOSTAT ASSY 1 VN 1 251 HOUSING BASE COVER PLUG Thermostat 56 57 Ser 5 6 7 8 w P T 58 All w P T exc 10F V K 59 All 8 cyl exc 10F V 8 60 63 Ser 60 thru 80 8 cyl 3764746 1 by pass V 62 64 Ser 60 327 V 65 68 Tilt 283 307 1 V 1 65 72 All 327 350 3839176 1 w double by pass system 63 66 Ser 50 230 250 1 68 72 All 250 352705 1 1 31 between bolt holes at open end 65 66 Ser 50 60 3 53 4 53 67 Tilt 3 53 4 53 4 6 68 Tilt 4 53 5133133 1 V 65 66 Ser 80 6V 53 5135638 1 left bank 85 66 Ser 80 6V 53 5135949 1 right bank 5g2 All 292 3880856 1 9 All 4 53 exc Tilt 5140164 1 V 6 Ser 80 6V 53 5124775 2 V BASE housing 6 Ser 80 6V 53 5125868 1 COVER housing 64 Diesel A 1 69 All 3 53 4 53 K 166 All 6V 53 5115214A R PLUG housing auto hex socket pipe z 1 PTF 1 252 GASKET NIPPLE SEAL Water Manifold 62 All 6 cyl 838297 1 housing to head 64 Ser 60 thru 80 8 cyl 66 Ser 50 Tilt 283 A 66 Ser 60 327 3701777 1 thermo by pass housing 1 154 1 66 Diesel 1 All 4 53 2 5116242A R thermo housing 0 289 66 Ser 80 6V 53 5124997 2 thermo housing V V 66 Ser 80 6V 53 5125024 2 thermo housing cover 72 Ser 40 thru 60 6 cyl 3789161 1 thermo housing V 67 All 3 53 4 53 69 All 4 53 5100105 1 NIPPLE thermo housing 1 f GM PARTS DlVlSl0N GENERAL MOTORS CORPORATION CHEVROLET 72TM 246 1 252 144 e REV 5 79 3 i I