| Part | Manufacturer | OEM Part # | Price | Notes |
| Diff Case (L/Gears) |
| 7 1/2" Ring Gear |
| 2.29-3.08 Ratio | GMO | 558648 | 0.00 | |
| 3.23-3.42 Ratio | GMO | 558649 | 0.00 | |
| 8 1/2" Ring Gear |
| 2.41-2.56 Ratio | GMO | 26016804 | 264.14 | Contact Dealer for most current part and price information. |
| 2.73-3.23 Ratio | GMO | 1252981 | 0.00 | |
| 8 3/4" & 8 7/8" Ring Gear |
| 2.73-3.08 Ratio | GMO | 526207 | 274.00 | Contact Dealer for most current part and price information. |
| 2.28-2.56 Ratio | GMO | 526205 | 202.00 | Contact Dealer for most current part and price information. |
| 3.23-3.42 Ratio | GMO | 527854 | 204.00 | Contact Dealer for most current part and price information. |