38 42 UTILITY exc COE MT MY 46 50 1 1 TON exc D D SBC KNUCKLE UNIT consists of knuckle assy 2 51 52 1 TON exc D D cones and 2 deflectors 3707592 2 22 55 41 42 COMM KNUCKLE UNIT consists of knuckle assy and 46 50 TON attach parts forged 3708831 4 holes Ii dia A A 3708866 2 19 60 48 52 D D l KNUCKLE UNIT consists of knuckle assy 2 cones cmd 1 deflector 3709996 2 26 25 63 Ser 20 30 KNUCKLE UNIT s 3817983 2 21 00 63 Ser 10 KNUCKLE UNIT 3818705 2 18 20 51 54 PASS 53 62 CORVETTE exc H D brake susp SPACER strg knuckle 51 59 M TON strq knuckle upper 1 O D x 2 21ong 3693567 4 15 51 59 lg TON SPACER knuckle lwr 1 O D x 17 5 O L 3694222 4 35 57 62 CORVETTE w H D brake susp SPACER knuckle 1 O D x 29gQ long 3735664 4 55 NOTE Enlarge the chamfer on the flange plate pilot hole to clear the larger radius TNOTE Used on 1946 Models when in Hub Bolts are used GBNOTE Enlarge the chamier on the flange plate pilot hole to clear the larger radius Also when using 607626 on 1939 40 models it will be necessary to use 909552 cone 3656535 detlector and 3656536 felt NOTE Upper knuckle attaching holes purposely omitted on late assemblies interchange ability not affected 6 021 BUSHING BEARING CONE CUP Steering Knuckle King Pin 38 42 UTIL exc COE WB WC MT MY 46 50 j 1 1 Q TON exc D D SBC 51 52 1 TON exc D D 1 x 1 I D 365312 4 70 38 42 UTIL exc COE MT MY 46 50 H l 1 TON exc D D SBC 51 52 M 1 TON exc D D 020 O S stamped G M 45 604245 4 70 38 40 HA IA KA KH 41 42 PASS COMM 46 54 PASS 46 59 IQ TON 53 62 CORVETTE 1 x 1 602124 4 70 41 42 COMM 46 59 TON 010 CLS 609880 4 70 38 40 HB IB KB KC KD KE KF 1 M x l D w groove 593044 4 70 46 59 D D UI UK VI VK SBC 48 55 1 Q TON w H D lst Ser use w 3678186 or 3683214 60 63 D D exc 102 W B forged on I beam std 3686588 4 70 46 59 D D U1 UK V1 VK SBC 48 55 1 TON w H D lst Ser 60 62 D D 63 Ser 20 30 D D 020 O S 3694911 4 70 53 55 1 llj TON exc D D SBC H D lst Ser 1 Q x 1 I D 3698333 4 70 53 55 1 UQ TON exc D D SBC H D lst Ser 020 CLS stamped G M 56 3705556 4 70 57 59 ALL w 4 WD NAPCO 21120 3747106 2 2 70 60 63 4 WD 63 Ser 20 w 4 WD spindle DANA 30339 2402596 2 85 61 62 4 WD exc H D DANA 31183 3799745 2 5 25 62 63 Ser 20 4 WD w H D DANA 31002 3820826 2 8 85 57 59 ALL w 4 WD BEARING irt axle hsg upr trunnion NAPCO 14531 2352850 2 7 25 57 59 ALL w 4 WD CONE frt axle housing lower trunnion Timken 21025 187846 2 3 68 60 63 4 WD exc H D CONE bearing Timkezn 11590 9415479 4 2 66 62 Ser 20 4 WD w H D CONE bearing Timken 23100 173356 2 4 72 57 59 ALL w 4 WD CUP frt axle housing trunnion Timken 21212 136849 4 2 12 60 63 4 WD exc H D CUP bearing Timken 11520 9415480 4 1 46 62 Ser 20 4 WD w H D CUP bearing Tirnken 23256 121563 4 2 44 NOTE Not used on early design 1961 models 1 xir 1it Motor Division oneral Motors Corporation