1979 FRONT AXLE IDENTIFICATION Q MODEL CODE RATIO HUB TYPE MODEL CODE RATIO HUB TYPE K1 AH 2 75 AUTO K2 DW 3 73 AUTO K1 AJ 2 76 AUTO K2 DV 3 73 AUTO K1 CV 2 76 AUTO K2 FB 3 73 MANUAL K1 HF 2 75 MANUAL K2 FC 3 73 AUTO K1 HH 2 76 MANUAL K2 FD 3 73 AUTO K1 LZ 2 75 MANUAL K2 FF 3 73 MANUAL K1 AY 3 07 AUTO K2 YM 3 73 AUTO K1 AS 3 07 MANUAL K2 YN 3 73 MANUAL K1 TK 3 07 AUTO K2 YV 3 73 AUTO K1 TM 3 07 MANUAL K2 YZ 3 73 MANUAL K1 AR 3 08 MANUAL K2 DX 4 10 AUTO K1 AW 3 08 AUTO K2 DZ 4 10 MANUAL z K1 AX 3 40 AUTO I K2 FA 4 10 MANUAL K1 BF 3 40 MANUAL K2 FH 4 10 MANUAL K1 TW 3 40 AUTO K2 FJ 4 10 MANUAL K1 TX 3 40 MANUAL K2 FM 4 10 AUT0 K1 AZ 3 42 MANUAL K2 FN 4 10 AUTO K1 BJ 3 42 ALITO K2 FR 4 10 AUTO K1 BK 3 73 MANUAL K2 HA 4 10 AUTO K1 BM 3 73 MANUAL K2 YJ 4 10 AUTO K1 BX 3 73 AUTO K2 VK 4 10 AUTO K1 BY 3 73 AUTO K2 YR 4 10 AUTO K1 TY 3 73 ALITO K2 YS 4 10 MANUAL K1 TZ 3 73 MANUAL K1 DA 4 10 MANUAL K1 DC 4 10 AUTO K3 JK 4 10 AUTO EXC DUAL RR WHLS K1 DB 4 11 MANUAL K3 JM 4 10 AUTO W DUAL RR WHLS K1 DF 4 11 AUTO K3 XA 4 10 MANUAL EXC DUAL RR WHL K1 VX 4 11 AUTO K3 XB 4 10 MANUAL W DUAL RR WHLS K1 VZ 4 11 MANUAL K3 JN 4 56 AUTO EXC DUAL RR WHLS K3 JR 4 55 AUTO W DUAL RR WHLS K3 XC 4 56 MANUAL EXC DUAL RR WHL K2 DU 3 73 MANUAL K3 XZ 4 56 MANUAL W DUAL RR WHLS Q 1980 FRONT AXLE IDENTIFICATION MODEL CODE RATIO HUB TYPE MODEL CODE RATIO HUEI TYPE T K1 LZ 2 75 MANUAL AUTO K2 VS 4 10 MANUAL T K1 TM 3 07 MANUAL AUTO K2 BK 4 56 AUTO K1 TX 3 40 MANUAL AUTO K1 TZ 3 73 MANLIAL AUTO K3 JK 4 10 AUTO EXC DUAL RR WHLS K3 JM 4 10 AUTO W DUAL RR WHLS K2 BU 3 21 MANUAL K3 XA 4 10 MANUAL EXC DUAL RR WHL K2 EIW 3 21 MANUAL AUTO K3 XB 4 10 MANUAL W DUAL RR WHLS K2 AW 3 42 MANUAL AUTO K3 JH 4 56 AUTO EXC DUAL RR WHLS K2 VR 3 42 MANUAL K3 JR 4 56 AUTO W DUAL RR WHLS K2 YN 3 73 MANUAL AUTO K3 XC 4 56 MANUAL EXC DUAL RR WHL K3 XD 4 56 MANUAL W DUAL RR WHLS ENERAL I OTORS SERVICE PARTS 0PERATIDN LT TRUCK 52A 21