4P 21007 1983 87 S7 BRAKE CHAMBER W JE4 MGMI 5 120 1 CAP COMPRESSION SPRING RETAINING 5 120 2 NUT CHAMBER PISTON RELEASE BOLT 5 120 3 PIN CHAMBER PISTON RELEASE BOLT 5 120 4 RETAINER PUSH ROD COMPRESSION SPRING 5 120 5 RING CLAMPING 5 120 6 BOLT CLAMPING RING 5 122 7 NUT CLAMPING RING BOLT 5 122 8 WASHER THRUST 5 120 9 SPRING HOUSING COMPRESSION 5 120 10 PISTON BRAKE CHAMBER 5 120 11 BOLT COMPRESSION SPRING PISTON RELEASE 5 122 12 PLATE RELEASE BOLT COVER 5 120 13 DIAPHRAGM BRAKE CHAMBER 5 120 14 SCREW ADAPTER PUSH ROD TO END PILATE 5 120 15 PLATE ADAPTER PUSH ROD END 5 120 16 SPRING PUSH ROD ADAPTER RETURN 5 120 17 ADAPTER BRAKE CHAMBER I 5 120 18 ROD ADAPTER PUSH 5 120 19 SEAL PUSH ROD 5 120 20 BUSHING PUSH ROD GUIDE 5 120 21 PLATE PUSH ROD SERVICE SIDE 5 120 22 ROD PISTON 5 120 23 CHAMBER NON PRESSURE 5 120 24 WASHER MOUNTING BOLT 5 122 25 NUT MOUNTING BOLT PRO LOC N S 26 NUT YOKE RETAINING 5 8 18 PRO LOC N S 27 PIN PISTON ROD YOKE PIN COTTER 1 8 X 1 5 120 28 YOKE PISTON ROD 5 120 29 PIN PISTON ROD YOKE L 5 120 i j 1987 GENERAL MOTORS SERVICE PARTS OPERAT ONS M SB G L 09 87 sc 21 5 000 GROUP