Subgroup
| Subgroup | Description | Note |
|---|---|---|
| 001 | REAR AXLE | ---- |
| Sa catalog | Description | Note |
| B03503 | REAR AXLE | Codes: 498/624/625 |
| B03512 | REAR AXLE | Codes: 10A/83A/84A |
| B03563 | H.D. REAR SPRINGS | Codes: 33C/70Z/71Z/72Z/73Z/76Z/78Z/80U/75Z/77Z/79Z |