Ser 50 60 w H D Rad 3145864 1 Ser 60 exc LCF H D Rad 3145866 1 Ser 70 80 exc H D Rad 4 3145867 1 Ser 70 80 w H D Rad 4 3145869 1 NOTE Previously released 1 246 THERMOSTAT UNIT THERMOSTAT Radiator Ser 60 thru 80 A w gaskets 180 3139134 1 Ser 60 thru 80 w gaskets l60 Harrison 3139133 1 Ser 10 thru 50 THERMOSTAT bellow type l60 3133596 1 NOTE Previously released 1 251 HOUSING Thermostat Ser 60 6 cyl 3764748 1 Ser 60 thru 80 8 cyl by pass 3764746 1 NOTE Previously released 1 252 GASKET SEAL Thermostat Housing Ser 10 thru 60 6 cyl housing to head 838297 1 Ser 60 283 Ser 70 80 therm by pass housing 3701777 1 154 1 Ser 60 thru 80 SEAL O ring 12 I D x 2 O D 3772202 63 1 NOTE Previously released GBNOTE For use with 3139133 thermostat unit 1 266 GRILLE GRILI E ASSY SUPPORT ASSY SCREEN SCREEN UNIT BAR ASSY Radiator Ser 10 thru 40 painted 3762506 1 Ser 10 thru 40 chrome 3766232 1 Ser 20 30 VAN GRILLE ASSY 3751662 1 Ser 50 thru 80 GRILLE ASSY 3762503 1 Ser 10 thru 40 SUPPORT ASSY left inner 3765989 1 Ser 10 thru 40 SUPPORT ASSY right inner 3765990 1 Ser 10 thru 40 SUPPORT ASSY center lower 3765982 1 Ser 10 thru 40 SUPPORT ASSY left outer 3765985 1 Ser 10 thru 40 SUPPORT ASSY right outer 3765986 1 Ser 50 thru 80 exc LCF SUPPORT ASSY left inner 3765481 1 Ser 50 thru 80 exc LCF SUPPORT ASSY right inner 3765482 1 Ser 50 thru 80 exc LCF SUPPORT ASSY left outer 3765485 1 Ser 50 thru 80 exc LCF SUPPORT ASSY right outer 3765486 1 Ser 50 thru 80 LCF SUPPORT ASSY left inner 3765489 1 Ser 50 thru 80 LCF SUPPORT ASSY right inner 3765490 1 Ser 50 thru 80 LCF SUPPORT ASSY left outer 3765493 1 Ser 50 thru 80 LCF SUPPORT ASSY right outer 3765494 1 Ser 70 TDM Ser 80 exc LCF SCREEN grille filler panel air cleaner 3771215 1 Ser 80 LCF SCREEN grille filler panel air cleaner 3771195 1 Ser 10 thru 80 exc D D Van SCREEN UNIT insect 988161 1 Ser 10 thru 40 BAR ASSY grille 3768781 1 N OTE Previously released 1 269 ATTACHING PARTS Radiator Grille Ser 70 TDM Ser 80 NUT ASSY 1 O L x 1 air cleaner filler panel 3764263 A R Not required in this group See group 8 143 RETAINER 3749132 A R NOTE Previously released 1 270 SUPPORT ASSY BRACKET ASSY CUSHION ASSY LOGK WASHER BOLT BRACKET NUT Radiator Core Ser 10 thru 40 exc D D Van 3763852 1 Ser 20 30 D D VAN 3716167 1 ggggit Motor Division General Motors Corporation TRUCK MODEL CATALOG