CHEVROLET PARTS AND ACCESSORIES CATALOG un mount nzscxrrrrou PQQT Iggy Plgffgz 6 008 BEAM HO1l1SINIi HOUSING ASSY VENTILIILTOR Front Axle Cross Biernlhaer Sees Grouyp 7 010 for Front Suqpension Cirossmernber 38 40 UTILITY exc COE U bolt holes form rectangle 2 x 2 46 52 I ON exc D D forged 3681642 has daub of green paint 3680905 1 37 80 41 55 1 ON 1 st Ser forged 3656872 33 offset 3656872 1 37 80 41 46 YB YS YT MR MS MY MT OE OF OG w H D forged 310OK 193 1 8776 3656629 1 60 30 41 50 1 TON exc COE SBC H l0 U boll holes form square 2 x 2 46 52 l TON exc D D forged 3681642 3681642 1 37 80 47 55 COE forged 3 678186 3678186 I 57 65 47 50 D D SBC 2 TON exc COE 51 52 D D UTILITY exc COE forged 3683214 3683214 I 58 25 53 55 TON ll st Ser exc D XD forged 3698295 lciub of green paint 3698294 1 37 95 53 55 D D SBC 2 TON lst Ser exe COE 53 55 1 TON w H D lst Ser forged 3698182 3698182 I 58 25 53 55 1 1 TON lst Ser exc D l0 SBC H D forged 3698295 3698295 1 37 95 55 59 1 TON 2nd Ser exc 18 D forged 371 1410 3711410 1 45 40 55 57 D D 2nd Ser 58 59 D D Prop Brake w 8 xx 19 8 tires 60 62 Ser 30 D D 62 63 Ser 20 D D w 7 00 x 17 7 50 x 1 7 tires forged 8711454 3711454 1 55 00 55 SBC lst Ser forged 371 1405 3711405 1 58 25 58 59 D D w 7 00 x 17 5 tires 60 61 Ser 20 D D 62 63 Ser 20 D D exc 7 00 1 1 7 7 50 x 17 tires forged 37381748 3738748 1 55 00 55 59 M TON 2nd Ser forged 3712013 3712013TT 1 37 95 57 59 Ser 3A w 4 WD HOUSING w vent NAPCO 37 IS 3746642 1 270 00 57 59 Ser 3E 3G w 4 WD HOUSING w venl NAPCO 37 17 3746643 1 280 00 60 62 Ser 10 4 WD HOUSING ASSY Dana 21817X 2403612 1 128 00 60 62 Ser 20 4 WD exc l 1 D HOUSING ASSY Dana 21832X 2403613 1 145 00 62 Ser 20 4 WD w H D HOUSING ASSY Dana 22923X 3820820 1 145 00 63 Ser 20 4 WD exc H D HOUSING ASSY Dana 23153X 3831913 1 68 Ser 20 4 WD w H D HOUSING ASSY Dana 23157X 3831914 1 63 Ser 10 4 WD HOUSING ASSY Dano 123166X 3831915 1 57 59 Ser 3 w 4 WD VENTILATOFQ iront NAPCO 10332 2140049 1 5 387 NOTE Heavy duty front axles are special equipment on series WB WC YR YS MR MS Oli OS and may be identilied by the front wheel hub cap This hub cap is attached to the hub with six lil 20 x hex hd bolts on a 3 diameter bolt circle HNOTE When installing on l El55 1 9S6 2nd ser models it is ne ess ry 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 ou 1 987 1958 models it is necessary to also use 3720601 steering knuckle thrust washer ulnit and to discard the king pin thrust bearings 6 009 STOP BOI T EIASK1E I Steering Knuckle 38 42 UTIL AM BM exc MY MSL MT COE 47 50 l ll TON exc D D SBC 53 55 1 1 TON lst Ser e n D I SBC 1 x 2 C L w 1rcil ed edges not used 2 SPD with 7 50 120 or 8 25 20 tires 3653923 2 35 41 55 TON AL AN BL BN lsl Ser 3656527 2 35 46 COE 47 55 D D U1 UK VI VK SBC 12 TON Zlsl Ser 48 55 1142 TON w H D lst Ser 1 x 2 C L wv rolled edges 3678194 2 35 46 SBC 2 TON exc COE 46 55 COE w 8 25 x 20 tires flat stamping w angle 3683847 2 45 1 63 t Mc tor Division 5 eneral Motors Conporatxon