1Y03 028 1990 1991 Y EMISSION CONTROLS V8 PART 1 L98 1 8 846 HOSE HTR INL L 10108510 2 8 948 CLAMP WORM GR 15 7 TO 31 8 SST 12337891 3 8 977 SCREW HEX W FL WA M4 2X1 41X30 PEOR 11515153 5 3 335 BODY SEE CAT 1 6 3 336 GASKET THROT BODY 10105351 7 3 265 PLENUM INT MANIF 10077151 8 3 278 FITTING INT MANIF VAC IN PLNM 14082470 9 3 682 SENSOR MANIF TEMP UND PLNM 25036979 10 3 682 HARNESS INT AIR TEMP SEN WRG 12029463 11 3 337 NIPPLE THROT BODY HTR OTLT HOSE 22577629 I 12 3 337 HOSE THROT BODY HTR 10108509 13 3 671 RETAINER ECM BRKT PUSH IN 14104641 14 3 670 MODULE ENG CONT REMAN 2 1227727 3 670 EPROM ECM 1990 16134297 3 670 EPROM ECM 1991 16159798 15 8 917 NUT HEX FLG M5X0 8 9 ZN 11514252 16 14 865 BOLT U NUT STUD M5X 8X10 12337892 17 3 671 HOUSING ECM FE7 10086259 18 3 671 SPACER ECM HSG 14104639 19 3 671 GROMMET ECM BRKT 14104640 20 14 865 BOLT U NUT STUD M5X 8X10 12337892 21 1 055 RELAY MASS AIR FLOW SEN PWR 14089936 22 1 055 RELAY ENG COOL FAN 14089936 23 9 277 BRACKET BLO MTR RLY 14104140 24 3 675 HARNESS EGR VLV VAC 10055893 25 2 440 BRACKET I P WRG HARN DIAG CONN 14062542 26 2 440 COVER I P HARN DIAG CONN 10021766 J 27 3 885 VALVE CR CONT VAC REL I 1645516 28 3 885 RETAINER CR CONT VAC REL VLV 10075405 29 3 670 SOLENOID EGR CONT VLV RLY 1997195 30 3 329 VALVE COLD START NJ 1 3 329 VALVE KIT COLD START 1 71 10860 3 329 TUBE KIT COLD START 17112061 3 329 SEAL KIT COLD START VLV O R NG 17111954 31 N S RAIL FUEL INJ 1 32 2 559 PLATE ENG WRG HARN GROM BKG 10086322 33 3 675 HARNESS EXH EMIS CONT VAC RR 14082433 34 2 525 HARNESS ENG WRG 1990 M T C60 12090377 2 525 HARNESS ENG WRG 1990 M T C68 12090378 I 2 525 HARNESS ENG WRG 1990 A T C60 12090379 2 525 HARNESS ENG WRG 1990 A T C68 12090380 2 525 HARNESS ENG WRG 1991 M T C60 12080866 2 525 HARNESS ENG WRG 1991 M T C68 12080868 2 525 HARNESS ENG WRG 1991 A T C60 12080865 2 525 HARNESS ENG WRG 1991 A T C68 12080867 35 3 900 RELAY F PUMP 25520198 36 2 483 BRACKET MULTIUSE RLY 10172488 37 8 977 BOLT HEX W WA M4 2X1 41X18 NZ 11515303 38 8 921 NUT U TYPE M4 2X1 41 1050 PZOR 12338121 39 3 417 CLAMP AIR INT DUCT INTER 14104556 40 3 417 DUCT AIR INT INTER 10108444 41 3 417 CLAMP AIR INT DUCT RR 10146826 42 3 682 CONNECTOR MAP SEN 10105294 43 8 900 BOLT HFH M6X1X13 9 8 PEOR 11514149 44 3 410 COVER A CLNR 14104552 45 3 403 BOLT A CLNR CVR 78 0MM LG 14104765 46 3 410 FILTER AIR 25096933 47 3 417 DUCT AIR INT FRT 14104555 48 3 682 SENSOR MAP 16137039 NOTE 1 SEE RESPECTIVE GROUP FOR DETAILED ILLUSTRA I ED VIEW NOTE 2 SEE CATALOG FOR ADDITIONAL USAGE RPO DEFINITIONS L98 ENGINE 5 7L 5 7 8 V8 M F I 1 i 1993 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET I4Y T i 3 93 3 11 s 3 000 GROUP