Ser 70 exc SBC Ser 70 SBC wrHyd v 11 teeth Eaton 31942 v A 4 2258727 4 Ser 70 TDM frt rr axle 12 teeth l shaft hole 2398253 4 Ser 80 4 4 10 teeth shatt hole 1 Eaton 37071 4 2299421 4 Ser 70 TDM frt rr axle BUSHING 1 LQ long 2398254 4 NOTE Previously released 5 528 GEAR Differential Side Ser 10 w P Trac 4 16 teeth 17 splines Eaton 40251 3772616 2 Ser 10 exc P Trac 4 16 teeth l 4 v 4 3652344 2 Ser 20 30 4 18 teeth t t 3681056 2 Ser 40 50 Ser 60 w 13000 lb axle 18 teeth 27 spline 3697746 2 Ser 60 w 15000 lb axle Ser 70 SBC w 15000 lb axle right 29 sp1ines l wide torged 3708820 3708818 A R Ser 60 w 2 SPD exc H D axle Ser 70 SBC w 2 SPD exc H D axle right 29 splines 2 wide forged 3708820 3708820 1 Ser 70 exc SBC Ser 70 SBC w Hyd 16 splines Eaton 31943 i 2258728 2 Ser 70 w 2 SPD right 16 splines Eaton 31944 2258729 1 Ser 80 w 2 SPD i i right 18 teeth Eaton 37073 2303348 1 Ser 80 right and left 18 teeth Eaton 37072 2303349 A R NOI E Previously released 5 529 GEAR ASSEMBLY Ring and Pinion not sold separately NOTE 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 Ser 10 w P Trac irt axle 39 1OT hyp0id 3697702 3740874 3747808 1 Ser 10 w 3 SPD exc H D l3 44T hypoid 3 38 to 1 ratio 3763461 3763466 3764960 1 Ser 20 frt axle 32 7T hypoid 3682104 03 609797 1 Ser 20 D D VAN Ser 30 trt axle 36 7T hypoid 3682146 5 609798 l Ser 40 exc 2 SPD 37 6T hypoid 3652522 3552549 604427 1 Ser 50 60 w 13000 lb axle 33 5T hypoid 3758882 3758887 3769526 1 Ser 60 w 15000 lb axle 2 SPD Ser 70 SBC w 15000 lb axle 2 SPD 32 5T hypoid 3702244 3711483 3717213 1 Ser 60 wg 15000 lb axle exc 2 SPD Ser 70 SBC w 15000 lb axle exc 2 SPD 36 5T hypoid 3711416 3711417 3718101 1 Ser 70 w 16000 lb axle exc 2 SPD Ser 70 TDM rear r r axle 43 6T spiral drive Eaton 50492 3772683 1 Ser 70 TDM frt r r axle 43 6T spiral drive Eaton 50213 3772728 1 Ser 70 w 16000 lb 2 SPD axle 39 6T spiral drive Eaton 50377 3772700 1 Ser 70 w 16000 lb 2 SPD axle 43 6T spiral drive Eaton 50378 3772701 1 Ser 80 w 2 SPD 39 6T spiral bevel 2308232 33 2308219 1 Ser 80 w 2 SPD 43 6T spiral bevel Eaton 42339 2337810 1 Ser 80 exc 2 SPD 46 6T spiral bevel 3748644 43 3748641 1 NOTE Previously released 5 531 BOLT RIVET Ring Gear Ser 10 tri hypoid drive screw 24 x l 3697704 12 Ser 20 thru 50 Ser 60 w 13000 lb axle rt Q 20 x 2 3652253 12 Ser 60 exc 2 SPD H D axlle Ser 70 SBC w 16000 lb axle exc 2 SPD gear to case 18 x 2 stamped G on head 3705627 12 gizdgfgi Motor Division 7 General ll lotors Corporation TRUCK MODILL CATALOG