5 528 GEAR Differential Side 46 54 Pass 3682122 2 16 teeth stamped GM R 55 64 Pass exc P Trac 3820638 2 16 teeth 57 64 Pass w P Trac 3744618 2 daub of orange paint Note 1 NOTE 1 When using 3744618 in place of 3745317 it may be necessary to use 2370715 pinion gear 5 529 GEAR ASSEMBLY Ring and Pinion not sold separately NOTE Part numbers in parentheses are stamped on ring gear and pinion respectively PASSENGER CAR 50 54 w P G 3705262 1 39 11T 3691464 3704411 53 54 exc P G 3705261 1 37 10T 3697720 3703799 55 56 exc P G O D 3748433 1 37 1OT 3725864 3733910 55 56 w P G 3748430 1 32 9T 3731604 3731617 55 59 w 0 D 62 64 w 4 11 ratio 3748434 1 37 9T 3733908 3733912 Note 1 57 58 w A T 59 A T exc 348 59 3 Spd 348 exc H L Cam H Per 60 61 3 Spd P G 6 cyl 60 61 P G w C A C Cool Pack 283 60 61 3 Spd T G 283 62 64 w 3 36 ratio 3748437 1 37 11T 3735390 3736508 57 58 exc O D A T 59 4 Spd 348 exc H L Cam 59 60 w 3 Spd 59 61 P G w H L Cam H Per 348 61 Sta Wag 3 Spd w P Trac 6 cyl 61 Sta Wag P Trac w H Per 348 62 Sta Wag w 3 55 ratio 63 64 w 3 55 ratio 3795479 1 32 9T 3783188 3783189 59 61 w 0 D 60 61 w 4 Spd 348 60 61 3 Spd w H Per 348 62 64 3 70 ratio 3748438 1 37 10T 3737957 3733910 Note 2 59 61 w A T 348 exc H L Cam 60 61 P G exc C A C 61 w 4 Spd 62 64 3 08 ratio 3758549 1 37 12 3756448 3756446 62 64 4 56 ratio 3748447 1 41 9T 3720089 90 Note 1 62 63 4 88 ratio 3830261 1 39 8T used to convert from 3 08 3 36 3 70 ratios 62 63 4 88 ratio 3830264 1 39 8T used to convert from 4 1 1 4 56 ratios 62 63 5 13 ratio 3830269 1 41 8T used to convert from 3 08 3 36 and 3 70 ratios 62 63 5 13 ratio 3830266 1 41 8T used to convert from 4 1 1 and 4 56 ratios 62 63 5 38 ratio 3830271 1 43 8T used to convert from 3 08 3 35 3 70 ratios 62 63 5 38 ratio 3830274 1 43 8T used to convert from 4 11 and 4 56 ratios NOTE Axle ratio is equal to Ring gear divided by Pinion 37 divided by 10 is equal to 3 70 to 1 NOTE 1 When used w P Trac requires P Trac differential unit 3853552 Group 5 510 NOTE 2 When used w P Trac requires P Trac differential unit 3853550 Group 5 510 5 531 SCREW Ring Gear 38 52 Pass exc P G 53 SDL 55 64 Pass 3884942 A R 24 x Wu used with Iockwasher 5 535 LUBRICANT Hypoid Gear 38 64 Pass w P Trac 1050927 1 special hypoid 1 quart container 8 800 38 64 Pass w P Trac 1050016 A R special hypoid 15 gal 8 800 Note 1 NOTE 1 To be used on models thru 1964 5 536 BEARING Differential Side 38 54 Pass exc FA FD 127861 2 Hyatt A 1 1360 Hy 11360 Z Note 1 NOTE 1 Must be installed in sets of two on 1939 40 models 55 56 Pass 7450385 2 Hyatt CK 11445 X 57 64 Pass 7450745 2 Hyatt A 159286 Z 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 30 5 528 5 536 5 8