68 Ser 20 w 127 B exc leaf springs 4 D Sgl unit 3937971 202 OO 1 68 69 Ser 20 Sgl Unit w 127 B exc 4 D 3957833 216 00 1 68 69 Ser 20 30 D D w 125 B 3958621 255 00 1 68 69 Ser 20 30 D D w 133 B 3958623 25500 1 68 69 Ser 30 D D w 157 VB 3958625 281 00 1 68 69 Ser 30 Fleetside w 133 B 69 Ser 20 Fleetside w 133 B 3958647 216 00 1 68 69 Ser 10 Cab w 127 B leaf spring exc 4 D 3947095 315 00 1 69 lmpala Conv 3939113 227 00 1 69 Pass exc Conv 3939115 227 00 1 69 Corvette w T H 400 3949022 209 00 1 69 Corvette exc T l l 400 3949093 198 00 1 69 Ser 30 w 133 B exc D D 3957835 255 00 1 69 Ser 30 Cab w 157 B 3957837 28100 l 69 Ser 20 w 127 B exc 4 D leaf springs Sgl unit 3958659 216 OO 1 69 Ser 10 4 D w 115 B 3957863 29400 1 69 Ser 10 20 4 D w 127 W B exc Sub 3957865 337 00 1 69 Blazer 3970677 1 69 Ser 20 w rr leaf springs 3974229 1 NOTE 6 When used on past models rework as follows Add holes for rear axle bumper brackets also used 1968 frt bracket holes and pipes NOTE lf Muffler Mounting Bracket on old frame of 1955 2nd Ser trucks does not match the bracket on the replacing frame transfer or check parts stock for matching bracket and attaching parts See group 3 704 7 006 MEMBER RElNFORCEMENT Frame Side 56 59 Ser 3B 3E 3753088 right 3200 3600 1 55 59 F Ser 3C 2nd Ser 60 67 D D w 104 B 3903671 54 45 left 1 55 59 F Ser 3C 2nd Ser 60 67 D D w 104 V B 3903672 54 45 right 1 58 59 Ser 3D 60 65 D D w 125 B 63 66 Ser 10 20 4 D 67 Ser 20 30 D D w 125 B 3903673 60 50 left 1 55 59 Ser 3D 2nd Ser 60 67 D D w 125 VB 63 66 Ser 10 20 4 D 3903674 60 50 right 1 55 59 l Ser 3F 2nd Ser 60 67 D D w 137 V B 3903675 66 50 left 1 55 59 K Ser 3F 2nd Ser 60 67 D D w 137 B 3903676 66 50 right 1 60 63 Ser 10 4 D w 115 B 1st Ser 3813805 68 75 left 1 60 63 Ser 10 4 D w 115 B 1st Ser 3813806 68 75 right 1 63 66 Ser 10 D D 3860833 39 75 left 1 63 66 Ser 10 D D 3860834 39 75 right 1 63 66 Ser 10 Cab w 115 B exc 4 D 3881391 41 75 left 1 63 66 Ser 10 Cab w 115 B exc 4 D 3881392 41 75 right 1 63 66 Ser 10 w 115 B exc Cab 3881393 45 50 left 1 63 66 Ser 10 20 w 127 B exc 4 D 3881397 52 75 left 1 63 66 Ser 10 20 w 127 V B exc 4 D 3881398 52 75 right 1 63 66 Ser 10 4 VD w 115 B 2nd Ser 3820301 52 75 left 1 63 66 Ser 10 4 WD w 115 B 2nd Ser 3820302 52 75 right 1 63 66 Ser 10 20 4 D w 127 B 2nd Ser 3820303 74 15 left 1 Ti 1969 CHEVROLET MOTOR DlVlS ON GENERAL MOTORS CORPORATlON 7 003 7 006 P 7 2 REV 7 1 69