1985 REAR AXLE IDENTIFICATION MODEL CODE RATIO SIZE BRAKE MODEL CODE RATIO SIZE BRAKE 01 CK3 2 73 8 50 11 X 2 EXC G80 C1 CR3 3 08 8 50 11 X 2 W G80 C1 CM3 3 08 8 50 11 X 2 EXC G80 C1 CT3 3 08 8 50 11 X 2 W G80 C1 CN3 2 73 8 50 11 X 2 EXC G80 C1 CC3 2 73 8 50 11 X 2 W G80 C1 BR3 2 73 8 50 11 X 2 EXC G80 C1 CD3 3 08 B 50 11 X 2 W G80 01 BS3 3 08 8 50 11 X 2 EXC G80 C1 CF3 3 42 8 50 11 X 2 W G80 C1 BT3 3 42 8 50 11 X 2 EXC G80 01 BFH 3 73 8 50 11 X 2 W G80 C1 BU3 3 73 8 50 11 X 2 EXC G80 C1 BFM 3 73 8 50 11 X 2 W G80 C1 BFK 3 73 8 50 11 X 2 EXC G80 C1 CU3 2 73 8 50 11 15 X 2 75 W G80 C1 BX3 2 73 8 50 11 15 X 2 75 EXC G80 C1 CJ3 2 73 8 50 11 15 X 2 75 W G80 C1 BY3 3 08 8 50 11 15 X 2 75 EXC G80 C1 CW3 3 08 8 50 11 15 X 2 75 W G80 C1 BZ3 3 42 8 50 11 15 X 2 75 EXC G80 C1 AZ3 3 08 8 50 11 15 X 2 75 W G80 C1 CA3 3 73 8 50 11 15 X 2 75 EXC G80 C1 BA3 3 42 8 50 11 15 X 2 75 W G80 C1 BFN 3 73 8 50 11 15 X 2 75 EXC G80 C1 BFJ 3 73 8 50 11 15 X 2 75 W G80 C1 HMR 3 42 8 50 11 15 X 2 75 EXC G80 C1 BFR 3 73 8 50 11 15 X 2 75 W G80 C1 HMS 3 42 8 50 11 15 X 2 75 W G80 C2 BDB 3 23 9 50 11 15 X 2 75 EXC G80 C2 BBF 3 42 9 50 11 15 X 2 75 W G80 C2 BBJ 3 42 9 50 11 15 X 2 75 EXC G80 C2 BFC 3 73 9 50 11 15 X 2 75 W G80 C2 BCY 3 73 9 50 11 15 X 2 75 EXC G80 C2 BJA 4 10 9 50 11 15 X 2 75 W G80 C2 BCZ 4 10 9 50 11 15 X 2 75 EXC G80 C2 BBH 3 42 9 50 13 X 2 50 W G80 C2 BKC 4 56 9 50 11 15 X 2 75 EXC G80 C2 BDA 3 73 9 50 13 X 2 50 W G80 C2 BDC 3 23 9 50 13 X 2 50 EXC G80 C2 BJB 4 10 9 50 13 X 2 50 W G80 C2 BBK 3 42 9 50 13 X 2 50 EXC G80 C2 BKD 4 56 9 50 13 X 2 50 W G80 C2 BFA 3 73 9 50 13 X 2 50 EXC G80 C2 GMC 3 73 10 50 13 X 2 50 W G80 C2 BJC 3 73 9 50 13 X 2 50 EXC G80 C2 GMF 4 10 10 50 13 X 2 50 W G80 C2 GMA 3 21 10 50 13 X 2 50 EXC G80 C2 GMJ 3 73 10 50 13 X 2 50 W G80 C2 GMB 3 73 10 50 13 X 2 50 EXC G80 C2 GML 4 10 10 50 13 X 2 50 W G80 C2 GMD 4 10 10 50 13 X 2 50 EXC G80 C2 GMN 4 56 10 50 13 X 2 50 W G80 C2 GMG 3 21 10 50 13 X 2 50 EXC G80 C2 GMH 3 73 10 50 13 X 2 50 EXC G80 C2 GMK 4 10 10 50 13 X 2 50 EXC G80 C2 GMM 4 56 10 50 13 X 2 50 EXC G80 C3 GDF 3 73 10 50 13 X 3 50 EXC G80 C3 GDG 3 73 10 50 13 X 3 50 W G80 C3 GDC 4 56 10 50 13 X 3 50 EXC G80 C3 GDD 4 56 10 50 13 X 3 50 W G80 C3 GGF 3 21 10 50 13 X 3 50 EXC G80 03 GGR 4 10 10 50 13 X 3 50 W G80 C3 GGG 3 73 10 50 13 X 3 50 EXC G80 C3 GGT 4 56 10 50 13 X 3 50 W G80 C3 GGH 4 10 10 50 13 X 3 50 EXC G80 03 GGU 3 73 10 50 13 X 3 50 W G80 C3 GGJ 4 56 10 50 13 X 3 50 EXC G80 C3 GGW 4 10 10 50 13 X 3 50 W G80 C3 GGK 3 21 10 50 13 X 3 50 EXC G80 C3 GGX 4 56 10 50 13 X 3 50 W G80 C3 GGL 3 73 10 50 13 X 3 50 EXC G80 C3 BFT 3 73 10 50 13 X 3 50 DANA C3 GGM 4 10 10 50 13 X 3 50 EXC G80 C3 BJK 4 10 10 50 13 X 3 50 DANA C3 GGN 4 56 10 50 13 X 3 50 EXC G80 C3 BKK 4 56 10 50 13 X 2 50 DANA C3 GGP 3 73 10 50 13 X 3 50 EXC G80 K1 CX3 3 42 8 50 11 15 X 2 75 EXC G80 K1 CZ3 3 42 8 50 11 15 X 2 75 W G80 K1 CY3 3 73 8 50 11 15 X 2 75 EXC G80 K1 DA3 3 73 8 50 11 15 X 2 75 W G80 K1 BB3 2 73 8 50 11 15 X 2 75 EXC G80 K1 BH3 2 73 8 50 11 15 X 2 75 W 080 K1 BC3 3 08 8 507 11 15 X 2 75 EXC G80 K1 BJ3 3 08 8 50 11 15 X 2 75 W G80 K1 BD3 3 42 8 50 11 15 X 2 75 EXC G80 K1 BK3 3 42 8 50 11 15 X 2 75 W G80 K1 BF3 3 73 8 50 11 15 X 2 75 EXC G80 K1 BM3 3 73 8 50 11 15 x 2 75 W G80 K1 BRA 2 73 8 50 11 15 X 2 75 EXC G80 K1 BRB 3 08 8 50 11 15 X 2 75 W G8O K1 BSA 3 08 8 50 11 15 X 2 75 EXC G80 K1 BSB 3 08 8 50 11 15 X 2 75 W G80 K2 BDD 3 23 9 50 11 15 X 2 75 EXC G80 K2 BBA 3 42 9 50 11 15 X 2 75 W G80 K2 BBC 3 42 9 50 11 15 X 2 75 EXC G80 K2 BFD 3 73 9 50 11 15 X 2 75 W G80 K2 BCW 3 73 A 9 50 11 15 X 2 75 EXC G80 K2 GDK 4 10 9 50 11 15 X 2 75 W G80 K2 GDL 4 10 9 50 11 15 X 2 75 EXC G80 K2 BBM 3 42 9 50 13 X 2 50 W G80 K2 BDF 3 23 9 50 13 X 2 50 EXC G80 K2 BBF 3 73 9 50 13 X 2 50 W G80 K2 BBD 3 42 9 50 13 X 2 50 EXC G80 K2 BJD 4 10 9 50 13 x 2 50 W G80 K2 BCX 3 73 9 50 13 X 2 50 EXC G80 K2 BHK 4 10 9 50 13 X 2 50 EXC G80 K3 GGY 3 73 10 50 13 X 3 50 EXC G80 K3 GHF 3 73 10 50 13 X 3 50 W G80 K3 GGZ 4 10 10 50 13 X 3 50 EXC G80 K3 GHG 4 10 10 50 13 X 3 50 W G80 K3 GHA 4 56 10 50 13 X 3 50 EXC G80 K3 GHH 4 56 10 50 13 X 3 50 W G80 K3 GHB 3 73 10 50 13 X 3 50 EXC G80 K3 GHJ 3 73 10 50 13 X 3 50 W G80 K3 GHC 4 10 10 50 13 X 3 50 EXC G80 K3 GHK 4 10 10 50 13 X 3 50 W G80 K3 GHD 4 56 10 50 13 X 3 50 EXC G80 K3 GHL 4 56 10 50 13 X 3 50 W G80 K3 GWK 3 73 10 50 13 X 3 50 EXC G80 K3 GWN 3 73 10 50 13 X 3 50 W G80 K3 GWL 4 56 10 50 13 X 3 50 EXC G80 K3 GWP 4 56 10 50 13 X 3 50 W G80 K3 BFT 3 73 10 50 13 X 3 50 DANA V K3 BJK 4 10 10 50 13 X 3 50 DANA K3 BKK 4 56 10 50 13 X 3 50 DANA 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R REV 1 88 33