BRAKES REAR AXLE PROPELLER SHAFT WHEELS 5 526 GEAR PINION Differential Pinion C n t 87 91 V1 2 4 4 6270977 2 21 60 GEAR DIFF PIN GR FRT AXLE 10 TEETH PG6 3 34 4 87 91 V3 650074 2 13 35 GEAR DIFF PIN GR FRT AXLE PG6 7 42 85 86 C2 10 50 DIA RNGR EXC G80 3993448 AR N L PINION DIFF PG5 20 32 4 4 85 86 CK2 9 50 DIA RNGR EXC G80 14012698 2 N L PINION DIFF RR AXLE PG5 13 31 y 85 86 CK3 10 50 DIA RNGR EXC G80 DANA 4 44 3993448 AR N L PINION DIFF RR AXLE PG5 20 32 87 91 R2 10 50 DIA RNGR EXC G80 3993448 AR N L PINION DIFF PG5 20 32 4 87 91 RV2 9 50 DIA RNGR EXC G80 14012698 2 N L PINION D FF RR AXLE PG5 13 31 87 91 RV3 10 50 DIA RNGR EXC G80 DANA 3993448 AR N L PINION DIFF RR AXLE PG5 20 32 5 527 GEAR KIT Differential Side with Pinion NOTE FOR 1988 1 T DES 2ND DES AXLE ASSEMBLY STAMPING CODES REFER TO GROUP 5 386 85 86 CK1 EXC G80 4 1397647 I 166 00 GEAR KIT W DIFF SI PIN GRS RR AXLE PG5 7 22 4 4 4 85 B6 K1 2 4 4 1397647 I 166 00 GEAR KIT W DIFF SI PIN GRS FRT AXLE PG5 7 22 44 44 87 RV1 EXC G80 4 44 1397647 I 166 00 GEAR KIT W DIFF SI PIN GRS RR AXLE PG5 7 22 4 87 V1 2 44 4 4 1397647 1 166 00 GEAR KIT W DIFF SI 8 PIN GRS FRT AXLE PG5 7 22 4 88 RV1 EXC G80 1ST DES 1397647 1 166 00 GEAR KIT W DIFF SI PIN GRS RR AXLE W 28 SPLINES ON AXLE SHAF l PG5 7 22 88 RV1 EXC G80 2ND DES 26012906 1 166 00 GEAR KIT W SHAFT DIFF SI PIN GRS RR AXLE W 30 SPLINES ON AXLE SHAFT PG5 7 22 4 4 4 88 91 RV3 SEO 5X3 5X4 JB8 15535126 I 173400 GEAR KIT W SHAFT DIFF SI P GRS RFI AXLE 05 505 4 4444 88 91 RV309 43 GT5 HC4 E63 JB8 DUAL RR WHLS RO5 EXC G80 44 4 15535126 1 173 00 GEAR KIT W SHAFT DIFF SI P GRS RR AXLE 05 505 44 44 44 88 V1 2 1ST DES 4 4 4 1397647 I 166 00 GEAR KIT W DIFF SI PIN GRS FRT AXLE W 28 SPLINES ON AXLE SHAFT PG5 7 22 4 44 88 VI 2 2ND DES 4 4 26012906 I 166 00 GEAR KIT W SHAFT DIFF SI Rn PIN GRS FRT AXLE W 30 SPLINES ON AXLE SHAFT PG5 7 22 44 4 88 91 V3 44 44 4 15547008 1 111 00 GEAR KIT W DIFF SI PIN GRS FRT AXLE 89 90 RV1 EXC G80 26012906 1 166 00 GEAR KIT W SHAFT DIFF SI PIN GRS RR AXLE PG5 7 22 89 90 V1 2 26012906 1 166 00 GEAR KIT W SHAFT DIFF SI PIN GRS FRT AXLE PG5 7 22 91 RV1 8 50 DIA RNGR EXC G80 26019829 1 GEAR KIT W SHAFT DIFF SI Bl P GRS R AXL 91 V1 2 26019829 1 GEAR KIT W SHAFT DIFF 6181 P GRS F AXL 44 5 528 GEAR Differential Side NOTE FOR 1988 1ST DES 2ND DES AXLE ASSEMBLY STAMPING CODES REFER TO GROUP 5 386 85 86 C2 10 50 DIA RNGR EXC G80 3977344 2 76 25 GEAR DIFF SI PG5 19 29 85 86 C2 10 50 DIA RNGR G80 15599649 RH 90 50 GEAR DIFF CAM FACED SI PG5 17 10 85 86 C2 10 50 DIA RNGR G80 15599650 LH 51 50 GEAR DIFF SPLINED SIDE PG5 17 16 85 86 CK1 G80 155996 I9 LH 84 25 GEAR DIFF CAM FACED SI RR AXLE PG5 5 18 85 86 CK1 G80 15599620 RH 57 50 GEAR DIFF SPLINED SI RR AXLE PG5 5 10 4 4 85 86 CK2 9 50 DIA RNGR EXC G80 14012696 2 76 25 GEAR DIFF Sl RR AXLE PG5 13 33 85 86 CK2 9 50 DIA RNGR G80 15599647 RH 54 75 GEAR DIFF SPLINED SI RR AXLE PG5 I 1 10 85 86 CK2 9 50 DIA RNGR G80 15599648 LH 82 00 GEAR DIFF CAM FACED SI RR AXLE PG5 1 1 21 4 85 86 CK3 10 50 DIA RNGR DANA 360821 2 44 25 GEAR DIFF S RR AXLE PG5 23 35 85 86 CK3 10 50 DIA RNGR EXC DANA G80 3977344 2 76 25 GEAR DIFF S RR AXLE PG5 19 29 85 86 CK3 10 50 DIA RNGR G80 EXC DANA 15599649 RH 90 50 GEAR DIFF CAM FACED SI FG5 17 10 85 86 CK3 10 50 DIA RNGR G80 EXC DANA 15599650 LH 51 50 GEAR DIFF SPLINED SIDE RR AXLE PG5 17 16 444 85 86 K3 I 345661 2 36 00 GEAR DIFF S FRT AXLE PG6 7 40 87 91 R2 10 50 DIA RNGR EXC G80 3977344 2 76 25 GEAR DIFF SI PG5 19 29 1990 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TRUCK 52R T 5 526 5 528 40 I REV 9 90