1985 REAR AXLE IDENTIFICATION MODEL CODE RATIO SIZE BRAKE MODEL CODE RATIO SIZE BRAKE G1 BRC 2 73 8 50 11 X 2 EXC G80 G1 BRF 2 73 8 50 11 X 2 W G80 G1 BSC 3 08 8 50 11 X 2 EXC G80 G1 BSF 3 08 8 50 11 X 2 W G80 G1 BBN 3 42 8 50 11 X 2 EXC G80 G1 BBS 3 42 8 50 11 X 2 W G80 G1 BFU 3 73 8 50 11 X 2 EXC G80 G1 BFX 3 73 8 50 11 X 2 W G80 G1 BRD 2 73 8 50 11 15 X 2 75 EXC G80 G1 BRH 2 73 8 50 11 15 X 2 75 W G80 G1 BSD 3 08 8 50 11 15 X 2 75 EXC G80 G1 BSH 3 08 8 50 11 15 X 2 75 W G80 G1 BBR 3 42 8 50 11 15 X 2 75 EXC G80 G1 BBT 3 42 8 50 11 15 X 2 75 W G80 G1 BFW 3 73 8 50 11 15 X 2 75 EXC G80 G1 BFY 3 73 8 50 11 15 X 2 75 W G80 G2 BRD 2 73 8 50 11 15 X 2 75 EXC G80 G2 BRH 2 73 8 50 11 15 X 2 75 W G80 G2 BSD 3 08 8 50 11 15 X 2 75 EXC G80 G2 BSH 3 08 8 50 11 15 X 2 75 W G80 G2 BBR 3 42 8 50 11 15 X 2 75 EXC G80 G2 BBT 3 42 8 50 11 15 X 2 75 W G80 G2 BFW 3 73 8 50 11 15 X 2 75 EXC G80 G2 BFY 3 73 8 50 11 15 X 2 75 W G80 G3 HBB 3 73 9 50 13 X 2 50 EXC G80 G3 HBC 3 73 9 50 13 X 2 50 W G80 G3 HBD 4 10 9 50 13 X 2 50 EXC G80 G3 HBF 4 10 9 50 13 X 2 50 W G80 G3 HBG 3 23 9 50 13 X 2 50 EXC G80 G3 HBH 3 23 9 50 13 X 2 50 W G80 G3 HBJ 4 56 9 50 13 X 2 50 EXC G80 G3 HBK 4 56 9 50 13 X 2 50 W G80 G3 GLP 4 10 9 50 13 X 2 50 EXC G80 G3 GLW 4 56 10 50 13 X 3 50 W G80 G3 GLR 4 56 9 50 13 X 2 50 EXC G80 G3 GLX 4 10 10 50 13 X 3 50 W G80 G3 GLS 4 10 9 50 13 X 2 50 EXC G80 G3 GLY 4 56 10 50 13 X 3 50 W G80 G3 GLT 4 56 9 50 13 X 2 50 EXC G80 G3 BJH 4 10 9 75 13 X 3 50 DANA G3 BKH 4 56 9 75 13 X 3 50 DANA G3 BJJ 4 10 10 50 13 X 3 50 DANA G3 BKJ 4 56 10 50 13 X 3 50 DANA 1986 REAR AXLE IDENTIFICATION MODEL CODE RATIO SIZE BRAKE MODEL CODE RATIO SIZE BRAKE G1 BRC 2 73 8 50 11 X 2 EXC G80 G1 BRF 2 73 8 50 11 X 2 W G80 G1 BSC 3 08 8 50 11 X 2 EXC G80 G1 BSF 3 08 8 50 11 X 2 W G80 G1 BBN 3 42 B 50 11 X 2 EXC G80 G1 BBS 3 42 8 50 11 X 2 W G80 G1 BFU 3 73 8 50 11 X 2 EXC G80 G1 BFX 3 73 8 50 11 X 2 W G80 G1 BRD 2 73 8 50 11 15 X 2 75 EXC G80 G1 BRH 2 73 8 50 11 15 X 2 75 W G80 G1 BSD 3 08 8 50 11 15 X 2 75 EXC G80 G1 BSH 3 08 8 50 11 15 X 2 75 W G80 G1 BBR 3 42 8 50 11 15 X 2 75 EXC G80 G1 BBT 3 42 8 50 11 15 X 2 75 W G80 G1 BFW 3 73 8 50 11 15 X 2 75 EXC G80 G1 BFY 3 73 8 50 11 15 X 2 75 W G80 G2 BRD 2 73 8 50 11 15 X 2 75 EXC G80 G2 BRH 2 73 8 50 11 15 X 2 75 W G80 G2 BSD 3 08 8 50 11 15 X 2 75 EXC G80 G2 BSH 3 08 8 50 11 15 X 2 75 W G80 G2 BBR 3 42 8 50 11 15 X 2 75 EXC G80 G2 BBT 3 42 8 50 11 15 X 2 75 W G80 G2 BFW 3 73 8 50 11 15 X 2 75 EXC G80 G2 BFY 3 73 8 50 11 15 X 2 75 W G80 G3 HBB 3 73 9 50 13 X 2 5 EXC G80 G3 HBC 3 73 9 50 13 X 2 5 W G80 G3 HBD 4 10 9 50 13 X 2 5 EXC G80 G3 HBF 4 10 9 50 13 X 2 5 W G80 G3 HBG 3 23 9 50 13 X 2 5 EXC G80 G3 HBH 3 23 9 50 13 X 2 5 W G80 G3 HBJ 4 56 9 50 13 X 2 5 EXC G80 G3 HBK 4 56 9 50 13 X 2 5 W G80 G3 BJH 4 10 9 75 13 X 2 5 DANA G3 BKH 4 56 9 75 13 X 2 5 DANA G3 GWF 4 56 9 75 13 X 3 5 DANA G3 GWG 4 10 9 75 13 X 3 5 DANA G3 BJJ 4 10 10 50 13 X 3 5 DANA G3 BKJ 4 56 10 50 13 X 3 5 DANA 1991 GENERALMOTORSSERWCEPARTSOPERAUONS LTTRUCK 626 5 386 5 12 1 91