4P 4 1983 87 B6 FRONT AIR BRAKE W JE4 W F070 AXLE WAGNER ELECTRIC I 5 000 1 RING CAMSHAFT RETAINING 5 130 2 WASHER CAMSHAFT 5 130 3 ADJUSTER SLACK 5 125 A 4 SEAL CAMSHAFT BUSHING I 5 130 5 BUSHING CAMSHAFT I 5 130 I 6 BRACKET CAMSHAFT 5 130 7 CHAMBER BRAKE 5 120 8 PIN BRAKE CHAMBER YOKE 5 122 9 SHIELD BRAKE OR DUST SHIELD 5 002 I 10 WASHER SHOE GUIDE PIN A 5 045 11 SHOE BRAKE I 5 017 12 LINING BRAKE SHOE 5 018 13 WASHER SHOE GUIDE PIN SPRING 5 045 14 WASHER SHOE GUIDE PIN C 5 045 I 15 PIN ANCHOR I I I I I I 5 055 16 RING ANCHOR PIN RETAINING I 5 055 17 ROLLER BRAKE SHOE I 5 020 18 CAMSHAFT BRAKE I 5 130 19 SPRING SHOE RETURN I I I 5 026 W 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB G it 09 87 sc 7 5 000 GROUP