38 52 I TON UTIL 53 55 UTILITY Ist Ser exc Brake Booster check 2 dimples on inner retainer 5454320 I 58 51 52 E Q TON 53 55 COMM lst Ser 55 59 Ser 3 2nd Ser 60 63 Ser 10 thru 30 exc Brake Booster check w spring V V V V V VV 5453854 1 58 53 54 PASS exc Prod P B 58 PASS w P B 62 63 PASS w metallic linings 63 CORVETTE check V V V VV 5454145 1 39 59 63 PASS w Bendix Prod P B VALVE ASSY Check IM O D 4 lugs on 63 Ser IO thru 30 w Brake Booster O D Bendix 308815 V VV V 534082 1 80 54 58 PASS w P B VV V V CUP ASSY check valve Bendix 379008 576439 1 75 38 52 PASS l TON 53 55 COMM lst Ser 53 62 CORVETTE 55 59 Ser 3 2nd Ser 55 57 PASS lst design exc P B 60 62 D D 63 Ser 20 30 D D V V V WASHER ig I D x 1 O D V VV V V 5450150 1 31 38 52 1 TON UTIL 53 55 UTILITY lst Ser exc Brake Booster WASHER 5 I D x 1 O D V V V 5450269 1 31 53 54 PASS exc Prod P B 58 PASS w P B 63 CORVETTE w Sp Per V V WASHER valve seat 3 I D x 273Q O D x MQ 5454200 1 21 57 58 PASS 2nd design exc P B 59 62 PASS exc Bendix Prod P B 63 PASS 63 Ser 10 thru 30 w Brake Booster V WASHER valve seat V V V V V 5456123 I 30 60 61 Ser 10 thru 30 exc D D P G 62 63 Ser 10 thru 30 exc D D VVVV WASHER ll jk I D x 11 Q O D V V 5459323 1 31 62 63 PASS w metallic linings 63 CORVETTE V WASHER valve seat V VV V V V 5461778 1 V28 4 658 ROD ROD ASSY PLUNGER SPRING BUMPER RING SEAL PI ATE VALVE ASSY Main Cylinder Push 38 50 COMM UTILITY exc Q TON 51 55 COMM UTILITY lst Ser 55 62 D D 2nd Ser 63 Ser 20 30 D D V V V 24 x 15 Q thd 3 O L V 5450076t 1 45 40 54 PASS exc Prod P B 53 62 CORVETTE 3 O L 5450454 1 85 55 58 PASS exc Prod P B V V V V 5 w 24 thd 3745988 1 39 55 56 PASS w Prod P B w plunger vac cyl valve operating 3718473 1 3 10 55 59 Ser 3 2nd Ser exc D D 3 O L 5454532 1 1 00 57 PASS Prod P B w A T V V main cyl push Bendix 377946 3741438 1 1 70 58 PASS w P B V V V Bendix 378499 V V V 3750674 1 1 45 58 PASS w P B V V Moraine V VV V 5456629 1 1 28 59 60 PASS exc P B V V GWQ O L 3754442 1 55 59 61 PASS w Bendix P B 3 O L V 3760635 1 1 50 59 60 PASS w P B 8 cyl V VV V brake pedal push V 5456692 1 40 60 63 Ser 10 thru 30 exc D D 61 63 Ser 10 D D V VV V 7 O L VV V V VV V V 3778995 1 0 787 61 63 PASS w P B V V V brake pedal push 5 O L 3779973 1 50 61 63 PASS exc P B V V 5 Z O L V V V V 3779974 1 50 63 CORVETTE VV V V VV VVVV V 3819077 1 50 4 657 4 csa 6 C M 2333 General Motors Corporation