I I A I V V V V TX04 079 I I 062487 I I I G E I x A Q I Ty 5 1 A Y V V 4 V TX04 079 a 1982 1990 sr wmazn cvuwnza nuM BRAKE uamzcr ronuuzmvnonAmE V20 N S BOOT WHL CYL 1 2 V 21 N S PISTON WHL CYL 1 J 22 N S SEAL WHL CYL 1 2 I 23 N S SPRING WHL CYL 1 2 24 4 666 VALVE KIT WHL CYL BLEEDER 8M X 1 25 1983 90 1 18013794 25 N S BODY WHL CYL 1 V A NOTE A 1 CYLINDER RR WHL BRK 4 665 INCL ITEMS 20 25 18012303 S1 4 32 1989 W J50 83 84 W JB3 85 88 T1 84 90 18012305 T1 1983 S1 EXC J50 82 84 W JB3 85 88 I NOTE 2 REPAIR KIT RR WHL BRK CYL 4 667 INCL ITEMS 20 22 23 18003744 S1 4 32 1989 W J50 83 84 W JB3 85 88 T1 84 90 18009378 T1 I983 84 S1 EXC J50 82 84 W JB1 85 88 RPO DEFINITIONS I V JB1 BRAKE SYSTEM MANUAL D SC DRUM JB3 BRAKE SYSTEM VACUUM POWER DISC DRUM J50 BRAKE SYSTEM VACUUM POWER V 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS L GHT TRUCK 525 V 10 90 4 119 4 000 GROUP