5 526 GEAR Differential Pinion 33 36 PASS COMM exc CC DC EC FC 37 42 COMM 46 57 TON 10 teeth sh ft hole 1 370225 2 2 85 33 36 CC DC EC FC 37 42 PASS 10 teeth shaft hole 472515 2 2 85 33 51 UTIL exc 2 SPD 52 55 1 TON 1st Ser exc 2 SPD 11 teeth shaft hole 370446 4 3 75 39 42 2 SPD 9 teeth stmp d 2234 K 63 3651424 4 4 55 46 57 PASS CORV 10 teeth daub yellow paint 3682121 2 2 85 46 57 1 TON 10 teeth 3681055 4 2 85 46 2 SPD Mech Shift 9 teeth stmp d 2233 Z 104 3682228 4 4 95 46 55 2 SPD Vac Shift 1st Ser 9 teeth stmp d 3683815 3683815 4 4 95 52 55 2 TON lst Ser exc 2 SPD 55 56 UTILITY 2nd ser prod 57 Ser 4 exc 2 SPD 10 teeth shatt hole Z4 3697745 4 3 35 55 57 2 SPD 2nd Ser 55 56 2 TON hvy duty 2nd Ser 57 Ser 6 9 teeth shaft hole 1 3708817 4 4 95 5 528 GEAR Differential Side 33 38 CC DC EC FC GA GB HA HB 16 teeth tooth O D 3 38 472514 2 4 85 33 36 C D E F exc CC DC EC FC 37 39 COMM 16 teeth tooth O D 3 70 370224 2 5 05 33 42 UTILITY 46 55 1 TON lst Ser exc 2 SPD 10 spline 18 teeth tooth O D 4 3 370445 2 6 55 42 46 M OR OS OW OY hvy duty 46 51 2 TON 16 spline 18 teeth 3661874 2 7 25 39 42 PASS 16 teeth stmp d GM 39 3651053 2 4 85 39 42 2 SPD 18 teeth 9 teeth 16 splines stmp d 2234 K 63 3651184 2 12 50 40 42 COMM 46 57 TON 16 teeth 3652344 2 5 40 46 54 PASS 53 55 CORV 16 teeth stmp d GM R 3682122 2 5 20 46 57 1 TON 18 teeth 3681056 2 6 00 46 2 SPD Mech Shift 16 teeth stmp d 2234 V 204 3682229 2 12 50 P 46 51 2 SPD Vac Shift 16 teeth stmp d 2234 T 202 3682526 2 14 35 52 53 2 TON exc 2 SPD 55 57 1 TON 2nd Ser exc 2 SPD 27 sp1ine 18 teeth 3697746 2 7 25 52 53 2 SPD Vac Shift 27 spline 16 teeth 3698942 2 14 90 54 56 2 TON prod 29 spline forged 3702292 3702292 2 7 25 54 55 2 SPD Vac Shift lst Ser 29 spline stamped 3703724 3703724 2 14 90 55 57 PASS 56 57 CORV 16 teeth 3708862 2 5 20 55 56 2 TON hvy duty 2nd Ser left cmd right 55 57 2 SPD 2nd Ser 57 Ser 6 left 29splines l9 gwide forged 3708820 3708818 A R 10 25 55 57 2 SPD 2nd Ser right 29 splines 2 wide forged 3708820 3708820 1 10 25 5 529 GEAR ASSEMBLY Ring and Pinion not sold separately N OTE See group 5 510 for truck pinion with gear riveted to differential case NOTE Part numbers in parentheses are stamped on ring gear and pinion respectively 35 36 EA EB ED FA FB FD use w 125630 rear pinion brg 37 39 COMM 37 9T 375040 595901 602476 1 26 45 39 42 VF WD Y M 2 SPD 19 8T 3889M117 389OL 222 603771 1 59 70 40 KD KE KF 41 9T hypoid 3652526 27 604400 1 33 00 40 52 PASS exc P G 41 11T hypoid 595022 3652285 604397 1 33 00 40 52 PASS exc P G 53 SDL 37 9T hypoid 3652178 3704417 3705430 1 38 05 40 53 TON 37 9T 11ypoid 3652510 3704461 3705439 1 38 05 40 WD 41 55 1 TON lst Ser 38 7T hypoid 3652282 3652547 604416 1 48 15 40 WD 41 56 UTILITY prod 57 Ser 4 exc 2 SPD 37 6T hypoid 3652522 3552549 604427 1 50 45 5 526 5 529 490