B i BRAKES 4 657 VALVE Main Cylinder Con t 68 69 Ser 20 30 D D exc Brake Booster 11 000 Ib axle 70 All Blazer 71 G 10 thru 30 exc Brake Booster 5462842 A Fl VALVE ASSY c heck 4 658 ROD END VALVE ASSY Main Cylinder Push NOTE 1 On series R S use 53009 74 piston stop plate 67 70 Ser 10 Blazer w Brake Booster exc D D 3907999 1 ROD ASSY w plunger Bendix 2 505179 71 72 Ser 20 30 Conv 4 WD exc V 1 1 000 lb axle 5472541 1 ROD ASSY w valve cyl air 71 Ser 20 30 D D exc 1 1 000 lb axle 5472550 1 ROD ASSY w valve cyl air V 71 72 G 30 w Disc Brake 5470573 1 ROD ASSY w valve cyl air 71 72 Ser 10 D D Disc Brake Brake Booster 71 72 G 10 20 71 G 30 Drum Brake w Brake I Booster V 5470526 1 ROD ASSY w valve cyl air 60 70 All 3782718 1 ROD ASSY w valve cyl air 67 Ser 30 157 W B w 11 000 l l lb Sgl Spd axle 68 70 Ser 30 Brake Booster w 11 B 000 Ib axle 69 70 Ser 10 thru 30 Blazer w Brake 3 Booster exc 1 1 OOO Ib axle D 0 71 72 Ser 10 thru 30 3906550 1 END pedal push 70 Ser 10 w Disc Brake 4 71 Ser 10 Conv 4 WD 5472549 A VALVE ASSY air vacuum power 4 659 BOOT RETAINER WASHER Main Cylinder Rubber V 38 52 1 Ton 53 55 Comm lst Ser 55 59 Ser 3 2nd Ser I 60 66 Ser 10 thru 30 t V 64 69 Ser 10 D D 67 69 Ser 10 thru 30 exc D D Brake Booster A 67 69 G 10 20 l 68 69 Ser 20 30 D D exc Brake Booster 70 All Blazer exc Brake Booster 71 Ser 10 Conv D D exc Brake Booster 71 G 10 thru 30 exc Brake I Booster 5456779 1 63 66 Ser 10 thru 30 w P B Brake Booster exc D D 67 70 Ser 10 thru 30 Blazer w Brake t Booster exc D D 67 68 Ser 30 w 157 133 W B Brake Booster exc 11 000 lb Sgl A Spd axle l 71 72 Ser 10 thru 30 Blazer w Brake Booster exc 11 000 Ib axle 3759198 1 pedal push rod 67 Ser 30 D D w 1 1 000 lb Sgl Spd axle 68 72 Ser 30 Brake Booster vv 1 1 l I r 000 lb Sgl Spd axle V 71 72 Ser 30 Conv D D w 1 1 000 lb axle X 3883082 A R 67 Ser 20 30 D D exc 1 1 000 Ib Sgl Spd axle T K 71 72 Ser 20 30 exc 11 000 lb axle V 71 72 Ser 10 Conv D D G 10 3912126 1 main cyl Bendix 617497 71 72 Ser 20 30 exc 1 1 000 lb axle 71 G 30 w Disc Brake 5466535 1 vacuum cyl Moraine 71 72 Ser 10 Blazer a 71 72 G 10 20 A V 71 G 30 Drum Brake w Brake Booster 5452476 1 vacuum cyl Moraine GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 4 195 4 657 4 659