4E00 001 69 N S MANIFOLD INTAKE L 70 0 333 ARM LH V 1 241851 71 0 349 BOLT RKR ARM SHAFT TO HEAD 1 Q 1254198 1 72 0 353 SHAFT ROCKER ARM I 1254201 73 0 333 RETAINER ARM 1254371 74 3 342 PLENUM CARB MTG Q 25512538 1 75 3 680 GASKET EGR 1254141 76 3 670 VALVE EGR 3 17078432 77 2 383 SENSOR ESC KNOCK 1982 1997463 2 383 SENSOR ESC KNOCK 1983 1997562 I 78 N S PIPE W INSULATOR EGR 79 N S SWITCH OIL PRESSURE I Q 80 1 154 GASKET COOLANT OUTLET 1250390 81 1 246 THERMOSTAT COOLANT TEMP 3041390 82 1 150 SWITCH COOLANT TEMP V 25036371 83 8 963 CONNECTOR 1 8 24 X 1 4 I I 84 3 682 SENSOR COOLANT TEMP 25036092 85 3 275 BOLT MANIF TO HD LH FRT 1 249603 3 275 BOLT INT MANIF 3 8X16X43 5 V 25518194 3 275 BOLT MANIF TO HD 3 8 16X37MM 25518193 3 275 BOLT MANIF TO HD 3 8 16 X 1 3 4 STUD 25518198 I 3 275 STUD MANIF TO HD 3 8 16 X 11 16 STUD 14037662 86 3 680 FITTING BUSH REDUCER TO BOOST GAGE TUBING 413585 87 2 363 BOLT W WASHER DISTR HOLD DOWN I 25526454 88 2 361 DISTRIBUTOR IGNITION 1 103470 89 2 240 WIRE SPARK PLUG 1 12036965 90 1 745 VALVE C CASE VENT I 6 487936 91 1 745 GROMMET C CASE VENT VLV 1381487 I 92 2 270 SPARKPLUG 5613877 93 8 963 CONNECTOR 3 4 O D 94 3 342 SEAL ADAPT TO INTAKE MANIF 1262818 95 3 342 ADAPTER TURBO 1262809 96 3 342 SEAL ADAPT TO MANIF 1262817 97 N S TURBOCHARGER REMAN 98 3 358 CONNECTOR OIL DRAIN W TUBING 25506854 99 3 358 GASKET TURBO OIL DRAIN CONN 1256780 100 N S BRACKET A CL FILTER MTG L 101 3 403 STUD A CL TO MTG BRKT 1258729 102 3 417 TUBE ENG AIR HEAT STOVE 25503857 103 3 417 DUCT AIR INT FRT 25518345 w 104 8 977 SCREW HEX M4 2 X 1 41 X 16 105 8 920 NUT WING M8X1 25 POR AR V 14057918 NOTE 1 SEE CHART IN GROUP FOR USAGE NOTE 2 SEE RESPECTIVE GROUP FOR DETAILED ILLUSTRATED VIEW NOTE 3 SEE PARTS CATALOG GROUP ADDITIONAL USAGE 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 44W 0 000 GROUP 0 26 6 91 I