TX04 1561 1990 1993 M BRAKE BOOSTER VACUUM W JA4 DUAL D APHRAGM MORAINE 1 4 901 BOOSTER P B PRODUCT ON SERVICE 90 92 M1 JA4 1 18015835 4 901 BOOSTER P B MTD ON FIREWALL 93 M1 O5 EXC YF7 1 18015135 PRODUCTION SERVICE 2 N S BOOT PWR BRK BOOSTER KIT1 3 V N S SILENCER 4 N S BEARING PISTON KIT1 5 N S HOUSING RR 6 N S SILENCER PWR HEAD 7 N S RETAINER DIAP HRAGM KIT1 8 N S DIAPHRAGM PWR PISTON I IT1 I 9 N S PLATE PRIMARY SUPT 10 N S BEARING SECONDARY PSTN 11 N S DIVIDER HOUSING 12 N S DIAPHRAGM SECONDARY 13 N S PLATE SECONDARY SUPT 14 N S FILTER I 15 N S RETAINER 16 N S O RING 17 N S PUSH ROD ASM AIR VLV 18 N S PISTON PWR 19 N S RING RETAINING 20 N S BUMPER REACTION 21 N S SPRING A R VLV A 22 N S BODY REACTION 23 N S RETAINER REACTION BODY 24 N S PISTON REACTION 25 N S DISC REACTION KIT1 26 I N S RETAINER REACTION A 27 N S ROD P B BOOS PSTN 28 N S SPRING RETURN 29 N S HOUSING FRT 30 N S GROMMET CHK VLV PART OF ITEM 31 KIT1 31 4 955 VALVE KIT P B BOOS VAC CHK W GROM 90 93 MI JA4 1 18012017 A INCL ITEM 30 KIT1 32 N S SEAL FRT HOUSING KIT1 SERVICE KITS KIT 1 4 898 BOOSTER KIT P B REPAIR INCL ITEMS 2 4 7 90 93 M1 JA4 JM4 1 18014481 8 25 30 32 I RPO DEFINITIONS I I JA4 BRAKE SYSTEM D SC DRUM REAR ANTI LOCK 4 JM4 BRAKE SYSTEM POWER FRONT DISC REAR DRUM ANTI LOCK CAST IRON YF7 RECREATION VEHICLE UPFITTER PACKAGE Q I I 1992 GENERAL MOTORS SERVICE PARTS OPERAT ONS LIGHT TRUCK 53M 8 92 4 75 4 000 GROUP