6 008 I BEAM HOUSING ASSY VENTILA I OR Front Axle Crossmember See Group 7 010 for Front Suspension Crossmember 41 55 V2 Ton 1st Ser 3656872 1 50 95 forged 3656872 33V offset 55 59 1 Ton 2nd Ser exc A D D 3711410 1 63 10 forged 3711410 55 57 D D 2nd Ser 58 59 D D Prop Brake w 8 x 19 5 tires 60 67 Ser 30 D D 62 67 Ser 20 D D w 7 00 x 17 7 50 x 17 tires 3852518 1 65 20 forged 3711454 3 u end length 55 59 V Ton 2nd Ser 3712013 1 51 85 forged 3712013 Note 2 NOTE 2 When installing on 1955 1956 2nd Ser models it is necessary to also use 3755049 spacer in conjunction with 3720601 steering knuckle thrust washer unit Two copper thrust washers in unit must be discarded When installing on 1957 58 models it is necessary to also use 3720601 steering knuckle thrust washer unit and to discard the kingpin thrust bearings 58 59 D D w 7 00 x 17 5 tires 60 63 Ser 20 D D 64 67 Ser 20 D D exc 7 00 17 7 50 17 tires 3852517 1 62 10 forged 3852517 64 66 G 10 3833377 1 46 40 forged 3833377 67 70 G 10 3892504 1 46 40 forged 3892504 67 70 G 20 3922648 1 62 10 63 66 Ser 20 4 WD 2nd Ser exc H D 3831913 1 281 75 HOUSING ASSY Dana 23153X 63 66 Ser 20 4 WD w H D 3831914 1 432 25 HOUSING ASSY Dana 23157X 63 66 Ser 10 4 WD 2nd Ser 3831915 1 261 50 HOUSING ASSY Dana 23166X 67 68 Ser 10 4 WD 3910596 1 251 50 HOUSING ASSY Dana 25385 67 68 Ser 20 4 WD exc H D 3912011 1 271 25 HOUSING ASSY Dana 25351X 67 68 Ser 20 4 WD w H D 3912012 1 385 75 HOUSING ASSY Dana 25395X 69 Ser 10 4 WD w 115 127 W B 3958021 1 158 75 HOUSING ASSY Dana 26495X 69 Ser 20 4 WD exc H D 3958022 1 175 00 HOUSING ASSY Dana 26500X 69 Ser 20 4 WD w H D 3958023 1 186 25 HOUSING ASSY Dana 26505X 69 Blazer 3965126 1 270 30 HOUSING ASSY Dana 26392X A 70 Ser 10 20 4 WD Blazer 3979436 1 283 25 HOUSING ASSY Dana 26387X 57 59 Ser 3 w 4 WD 2140049 1 32 VENTILATOR front NAPCO 10332 5 387 67 70 4 WD Blazer 3912015 1 2 20 VENTILATOR Dana 34472 6 009 STOP BOLT GASKET Steering Knuckle 38 42 AM BM 47 50 V4 1 Ton exc D D 53 55 1 Ton Ist Ser exc D D 2 Spd 3653923 2 40 1 x 2 O L w rolled edges not used with 7 50 20 or 8 25 20 tires 55 59 Ser 3 2nd Ser exc H D D D 60 70 4 WD Blazer 3711876 2 10 BOLT stop 24 x Wu 57 Ser 3 D D 61 Ser 20 D D 62 63 Ser 20 D D exc 7 00 x 17 7 50 x 17 tires 64 65 Ser 20 30 D D 3712568 2 10 BOL stop 20 x 1 64 70 G 10 20 3833407 2 10 BOLT stop 24 x Wi 60 68 Ser 10 thru 30 3821610 2 15 GASKET strg knuckle to frt brake flange plate 5 002 6 020 KNUCKLE ASSY KNUCKLE UNIT SPINDLE Steering 49 50 FFC 67 Ser 30 D D w 11 000 Ib axle 3859642 2 37 50 51 59 V2 Ton 3709756 2 28 50 forged 3708831 53 59 1 Ton exc D D H D 3859635 2 28 50 forged 3698332 Note 3 NOTE 3 When using in place of previous numbers use 2 3855214 bushings 53 63 D D exc 102 W B 3859644 2 28 50 forged 3697466 1V large brg dia 60 62 Ser 10 exc 4 WD 3797525 2 28 50 forged 3757300 60 62 Ser 20 exc 4 WD D D 3769545 2 28 50 forged 3757301 60 61 4 WD 1st design right Dana 31410 rn 63 65 Ser 10 4 WD 2nd Ser 1st design 2403677 1 22 50 I D tapered hole 60 61 4 WD 1st design left Dana 31411 63 65 Ser 10 4 WD 2nd Ser 1st design 2403678 1 22 50 I D tapered hole 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 REV 6 71 6 1 6 008 6 020