BRAKES 53 57 1 Ton 55 57 D D w 14 brake or duals 60 Ser 30 D D w duals 5455428 2 47 rear Note 1 NOTE 1 Wheel cylinder cup 5455483 must be used 54 55 Comm w H T 1st Ser exc D D 5453828 4 25 rear 5 conical coils v 60 62 Ser 10 thru 30 exc 4 WD 63 Ser 10 exc 4 WD 63 Ser 20 63 Ser 30 exc D D 65 70 G 10 64 70 Ser 10 thru 30 Blazer front 60 62 Ser 20 64 70 Ser 20 5455487 2 42 rear w expander Note 2 NOTE 2 Not used on D D models w 14 brake or duals 56 59 VZ Ton exc P Trac 60 66 V Ton 67 70 G 20 67 70 Ser 10 Blazer 5455489 2 40 rear w expander 64 66 G 10 w 3 36 axle rear 67 Ser 30 D D w 11 000 Ib axle 5455421 2 42 front Va dia 67 70 G 20 5456982 2 47 front 60 70 Ser 30 799300 2 20 rear 64 65 G 10 front 64 66 G 10 exc 3 36 axle 5455425 2 42 rear 1V dia 66 70 G 10 5452331 2 46 rear dia 67 69 Ser 30 w 11 000 Ib axle 5467264 2 49 rear W2 dia cyl 4 670 BOOT SHIELD Wheel Cylinder 53 55 Comm 1st Ser 51 52 V Ton 55 59 Ser 3 2nd Ser exc 4 WD 60 62 Ser 10 thru 30 exc 4 WD 63 Ser 10 exc 4 WD 63 Ser 20 63 Ser 30 exc D D 64 66 Ser 10 64 65 Ser 20 30 exc 4 WD 66 Ser 20 D D 4 WD 66 Ser 30 D D 67 70 Ser 10 thru 30 Blazer front 53 59 Ton exc D D w 14 brake or duals 60 62 Ser 20 64 70 Ser 20 5450031 A R 41 rear 1 0 D 51 59 V2 Ton exc 1958 59 V Ton w P Trac 57 59 Ser 3A w 4 WD 60 66 V2 TON 67 70 G 20 67 70 Ser 10 Blazer rear 67 Ser 30 D D w 11 000 Ib axle 231335 4 39 front 1Vz 0 D 67 69 Ser 30 5453829 8 69 rear 1 0 D 53 59 1 Ton 55 59 D D w 14 brake or duals 60 70 Ser 30 rear 67 70 G 20 1074822 4 45 front 1 O D 64 66 G 10 w 3 36 axle 67 70 G 10 546401 1 4 46 rear 64 65 G 10 front w ring 64 66 G 10 exc 3 36 axle 5462969 4 48 rear w ring 65 70 G 10 5464988 4 50 front w ring 1V dia 67 68 Ser 30 w 11 000 lb Sgl Spd axle 3901213 4 20 SHIELD rear 4 671 BOLT lNSERT WASHER Brake Connector E 55 1 Ton 1st Ser 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 T 4 669 4 671 4 234 REV 6 71