B25 1978 BUICK AXLE IDENTIFICATION Indicates Limited Ship A SERIES ASSEMBLY CG 2 41 RATIO 2 56 RATIO 2 73 RATIO 2 93 RATIO RING RING RING RING GEAR GEAR GEAR GEAR AZ 7 RY 7 AX 7 AG 7 BZ 7 SY 7 BX 7 BG 7 RC 7 RX 7 SC 7 SX 7 AA 7 RD 7 BA 7 SD 7 AB 7 BB 7 3 23 RATIO RING GEAR RU 7 SU 7 AU 7 BU 7 RG 7 SG 7 AD 7 BD 7 B SERIES ASSEMBLY CODES 2 4 I RATIO 2 56 RATIO 2 73 RATIO RING RING RING GEAR GEAR GEAR GF 7 KY 8 KX 8 KZ 8 KB 8 NC 8 KA 8 YD 8 875 KC 8 MN 8 WR 8 875 II IS 8 LA 8 YU 8 875 LC 8 MZ 8 WA 8 875 I IV 8 NR 8 YE 8 875 WL 8 875 YW 8 875 WN 8 875 WF 8 875 WX 8 875 3 08 RATIO 3 23 RATIO RING RING GEAR GEAR KU 8 KT 8 NF 8 NG 8 KF 8 KG 8 LF 8 LG 8 I IY 8 NIX 8 WIVI 8 875 YK 8 875 YJ 8 875 YZ 8 875 WP 8 875 WK 8 875 YY 8 875 WZ 8 875 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUICI 41 43