46 54 Pass 125630 1 Hyatt or 1506 55 64 Pass 7450371 1 Hyatt HM89449 HM89410 5 505 CARRIER ASSY Differential with Cap 55 64 Pass 3789870 1 CARRIER ASSY Differential Positraction Complete with Ring Gear and Pinion 58 59 Pass 62 64 Pass 3748977 1 4 11 Ratio 59 64 Pass 3743966 1 3 70 Ratio 62 64 Pass 3743970 1 4 56 Ratio CARRIER ASSY Differential exc Positraction Complete with Ring and Pinion 59 64 Pass 3758046 1 3 08 ratio 5 506 SCREW Differential Carrier Cap 55 64 Pass 3705721 4 V 13 x 2 280 M 5 508 GASKET Axle Housing to Differential Carrier paper 55 64 Pass 3769870 1 9 x l1 5 510 CASE BOLT Differential and Planet NOTE Differential case halves are not sold separately Differential Assy Case with internal gears PASSENGER with Positraction 57 64 3853550 1 exc 4 11 4 56 ratio 57 64 3853552 1 w 4 11 4 56 ratio Differential Case Case less internal gears 55 56 Pass exc O D 3707311 1 cast 3707311 55 59 Pass w O D exc P Trac 3885292 1 w thrust washer 57 59 Pass lst design exc O D P Trac 59 64 Pass 2nd design exc P Trac 3867386 1 57 Pass w P Trac O D 58 59 Pass w P Trac O D w 4 1 1 63 64 Pass w 4 11 4 56 ratio 3777724 1 Dana 22212X 57 64 Pass w P Trac exc 4 11 4 56 ratio 3777659 1 w cover Dana 22211X 57 62 Pass w P Trac 454908 8 BOLT case assy 16 x 2 R H thread 8 900 63 64 Pass w P Trac 3777003 8 BOLT case assy 24 x 2 L H thread 5 511 PLATE RlNG Differential Clutch Positraction 57 64 Pass 3777268 2 Belleville type ink stamped 095 57 64 Pass 534935 A R 095 thick 57 60 Pass 3777611 1 PLATE UNIT w discs Note 1 NOTE 1 Consists of 4 plates and 4 discs R H thread bolt assy 60 64 Pass 3865208 1 PLATE UNIT w discs Dana 22719X Note 2 NOTE 2 Consists of 6 plates and 4 discs 57 64 Pass 3745318 2 RING side gear 3 O D 5 517 SHAFT Differential Pinion 38 64 All exc P Trac 3977298 1 w 10 bolt cover 38 64 Pass w 12 bolt cover 3931175 1 57 60 Pass w P Trac lst design 3745314 2 V4 dia x 4 z 0 L 60 62 Pass w P Trac 2nd design 63 64 Pass w P Trac 531312 2 front axle V4 dia x 4 O L V cut Dana 30931 5 518 SCREW Pinion Shaft Lock 38 42 Pass 46 64 Pass exc P Trac 472546 1 18 5 526 GEAR Differential Pinion 46 64 Pass w 10 bolt cover exc P Trac 3880142 2 57 64 Pass w P Trac 2370715 4 front 10 teeth dab of orange paint Note 1 NOTE 1 When using 2370715 in place of 3745313 3744618 side gear must also be used 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 30 5 7 5 484 5 526