| Number | Name | Brand | Fit |
|---|
| UM605 | Diff Gear Set (ULTIMA SC) (ULTIMA SC) | Kyosho | direct |
| UM610 | Diff Bevel Gear Set (ULTIMA SC) | Kyosho | direct |
| UM611 | Diff Case Packing (ULTIMA SC) | Kyosho | direct |
| UM612 | Diff Shaft SC | Kyosho | direct |
| UM613 | Diff Bevel Shaft SC | Kyosho | direct |
| UMW602 | Ball Differential Set | Kyosho | replaces |