I TX03 0025 1986 1991 M THROTTLE BODY INJECTION DUAL INJECTOR MODEL 220 LB4 4 32 1 1987 1991 M THROTTLE BODY INJECTION DUAL INJECTOR MODEL 220 LU2 4 3B 1990 1991 L THROTTLE BODY INJECTION DUAL INJECTOR ODEL 220 B4 4 3Z I NOTE OUANITY IS ONE PER ASSEMBLY UNLESS OTHERWISE SPECIFIED I I 1 1 3 725 INJECTOR THROT BODY M W 4 3Z 1986 NCL 2 23 31 38 78 PROD 17086090 LB4 I 17111514 I I I I 3 725 INJECTOR THROT BODY ML W 4 3Z 1987 88 INCL 2 23 31 38 78 PROD I I 17086090 LB4 A 1 1 7111759 3 725 INJECTOR THROT BODY ML W 4 3Z 1989 90 INCL 2 23 31 38 78 PROD 17089027 LB4 17112056 I 1 3 725 INJECTOR THROT BODY ML W 4 3Z 1991 NCL 2 23 31 38 78 PROD A 17091034 LB4 L 17112525 I3 725 INJECTOR THROT BODY M W 4 3B 1990 INCL 2 23 31 38 78 PROD I 17090020 LU2 I 17112242 1 3 725 INJECTOR THROT BODY M W 4 3B 1991 NCL 2 23 31 38 78 PROD I 17 091035 LU2 I 1 17112528 2 N S COVER FUEL METER KIT 2 11 1 I I A 3 N S SCREW FUEL METER COVER ATTACHING LONGI 3 REOD KIT 2 7 1 4 N S SCREW FUEL METER COVER ATTACHING SHORT 5 REOD KIT 2 7 1 5 N S GASKET FUEL METER COVER KIT 1 2 3 9 11 1 I I 6 N S I GASKET FUEL METER OUTLET KIT 1 2 3 9 11 1 7 N S SEAL IPRESSURE REGULATOR KIT 1 2 3 9 11 1 1 8 N S REGULATOR PRESSURE KIT 2 1 I 10 N S INJECTOR FUEL 2 REOD KIT 2 3 1 I 11 N S FILTER FUEL INJECTOR INLET 2 REOD KIT 2 9 1 1 12 N S O RING FIIIEL INJECTOR LOWER 2 REOD KIT 1 2 3 9 1 13 N S O RING FUEL INJECTOR UPPER 2 REOD KIT 1 3 9 1 I I 14 N S WASHER FUEL INJECTOR 2 REOD KIT 1 3 9 1 1 20 N S SCREW FUEL METER BODY TO THROTTLE BODY 3 REQD KlT 7 1 I 21 N S FUEL METER B ODY ASSEMBLY KIT 2 8 1 A I 1 22 N S GASKET THROTTLE BODY TO FUEL METER BODY KIT 1 2 1 I I 23 3 403 GASKET A CL ML KIT 1 LB4 LU2 1 255118091 30 3 163 SEAL FUEL RTN PIPE O RING ML NOT IN KIT LB4 LU2 22516256 31 N S NUT FUEL OUTLET KIT 6 V1 I I I 37 3 163 SEAL FUEL FEED PIPE O RING ML NOT IN KIT LB4 LU2 22514722 1 38 N S NUT FUEL INLET KIT 6 1 I 40 N S GASKET FUELIOUTLET NUT KIT 1 2 6 1 41 N S GASKET FUEL INLET NUT KIT 1 2 6 1 I 52 1N S SCREW THROTTLE POSITION SENSOR 2 REOD KIT 4 5 1 55 N S RETAINER THROTTLE POSITION SENSOR SCREW 2 REOD K TI4 5 I I 58 N S SENSOR THROTTLE POSITION TPS KIT 5 1 60 N S PLUG IDLE STOP SCREW NOT IN KIT 1 611 N S SCREW IDLE STOP KIT 7 1 I 62 N S SPRING IDLE STOP SCREW KIT 7 1 65 N S BODY ASM THROTTLE KIT 4 5 1 70 3 726 GASKET TBI FLANGE M W 4 3Z 1985 KIT 1 LB4 1 14081271 A 3 7261 GASKET TBI FLANGE M W 4 3Z 1 986 KIT 1 LB4 1I 14091605 3 726 GASKET TBI FLANG E ML W 4 3B 4 3Z 1987 9 1 K T 1 LB4 LU2 1 10129563 75 N S VALVE IDLE AIR CONTROL IACV THREAD MOUNTED KIT 10 1 I 76 N S GASKET IDLE AI R CONTROL VALVE THREAD MOUNTED IACV KIT 9 1 I 77 N S O RING IDLE AIR CONTROL VALVE FLANGE MOUNTED IACV KIT 10 1 78 N S SCREW IDLE AIR CONTROL VALVE FLANGE MOUNTED lACV 2 REOD KIT 7 1 1 I 90 N S SEE KITS LISTED BELOW Q l SERVICE KITS I I 1 KIT 1 3 724 GASKET KIT TBI M 1986 INCL 5 7 12 14 22 23 40 41 70 SERVICES ONE 1 INJECTOR LB4 1 1 17111156 3 724 GASKET KIT TBI ML 1987 90 INCL 5 7 12 14 22 23 40 41 70 SERVICES ONE I INJECTOR LB4 LU2 17111764 3 724 GASKET KIT TBI ML 1991 INCL 5 7 12 14 22 23 40 41 70 SERVICES ONE INJECTOR LB4 LU2 Q 1 17112486 2 3 725 METER KIT TBI FUEL ML W 4 3Z 1986 89 90 INCL 2 8 10 12 21 22 40 41 LB4 I 1 17111466 3 725 METER KIT TBI FUEL ML W 4 3Z 1987 88 INCL 2 8 10 12 21 22 40 41 LB4 17111957 I 1 3 725 METER KIT TBI FUEL M 4 3B 1990 INCI 2 8 10 12 21 22 40 41 LU2 I 17111772 3 725 METER KIT TBl FUEL ML W 4 3Z 1991 lNCL 2 8 10 12 21 22 40 41 LB4 17112520 1 3 725 METER KIT T Bl FUEL M W 4 3B 1991 lNCL 2 8 10 12 21 22 40 41 LU2 17112398 3 3 774 INJECTOR KIT TBI FUEL TWO INJECTORS ML W 4 3Z I986 89 90 INCL 5 7 10 12 14 LB4 I 17111468 1 I T 11991 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52M t I 1 91 3 15 I 3 000 GROUP