38 52 M 1 TON UTIL 53 55 UTILITY lst Ser exc Brake Booster check 2 dimples on inner retainer 5454320 1 58 51 52 I Q TON 53 55 COMM lst Ser 55 59 Ser 3 2nd Ser 60 63 Ser 10 thru 30 exc Brake Booster check w lspring 5453854 1 58 53 54 PASS exc Prod P B 58 PASS w PB 62 63 PASS w metallic linings 63 CORVETTE check 5454145 1 39 59 63 PASS w Bendix Prod PB VALVE ASSY check W Q O D 4 lugs on 63 Ser 10 thru 30 w Brake Booster O D Bendix 308815 534082 1 80 54 58 PASS w P B t CUP ASSY check valve Bendix 379008 576439 l 75 38 52 PASS IQ 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 WASHER Q 1 D x 1 O D 5450150 1 31 38 52 4 1 TON UTIL 53 55 UTILITY lst Ser exc Brake Booster WASHER 5 Q ID x 1 O D 5450269 1 31 53 54 PA SS exc Prod PB 58 PASS w PB 63 CORVETTE w Sp Per WASHER valve seat 4 I D x my O D x QQ 5454200 1 21 57 58 PASS 2nd design exc PB 59 62 PA SS exc Bendix Prod P B 63 PASS 63 Ser 10 thru 30 w Brake Booster WASHER valve seat 5456123 1 30 60 61 Ser 10 thru 30 exc D D PG 62 63 Ser 10 thru 30 exc D D WASHER 11 IQ 1 D x UQ O D 5459323 1 31 62 63 PASS w metallic linings 63 CORVETTE WASHER valve seat 5461778 1 28 4 658 ROD ROD ASSY PLUNGER SPRING BUMPER RING SEAL PLATE VALVE ASSY Main Cylinder Push 38 50 COMM UTILITY exc TON 51 55 COMM UTILITY lst Ser 55 62 D D 2nd Ser 63 Ser 20 30 D D 24 x 1 1 thd 3 O L 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 5 w 24 hd 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 main cyl push Bendix 377946 3741438 1 1 70 58 PASS w P B Bendix 378499 3750674 1 1 45 58 PASS w P B Moraine 5456629 1 1 28 59 60 PASS exc P B GMLTQ O L 3754442 1 55 59 61 PASS w Bendix P B 3 O L 3760635 1 1 50 59 60 PASS w P B 8 cyl brake pedal push 5456692 1 40 60 63 Ser 10 thru 30 exc D D 61 63 Ser 10 D D 7 O L 3778995 1 0 787 61 63 PASS w P B brake pedal push 5 O L 3779973 1 50 61 63 PASS exc P B 5 O L 3779974 1 50 63 CORVETTE 3819077 1 50 4 657 4 1658 760 M sets R General Motors Corporation