| Part | Manufacturer | OEM Part # | Price | Notes |
| Rear Axle |
| 8.50 |
| Ring & Pinion Gears |
| G10-20 Vans |
| 2.56 Ratio | GMO | 1258707 | 549.00 | Contact Dealer for most current part and price information. |
| 2.73 Ratio | GMO | 26019800 | 561.50 | |
| 3.08 Ratio | GMO | 26038848 | 935.22 | |
| 3.42 Ratio | GMO | 26041514 | 458.00 | |
| 3.73 Ratio | GMO | 12479316 | 834.61 | |
| 9.50 & 9.75 |
| Ring & Pinion Gears |
| G30 Vans |
| 3.23 Ratio | GMO | 14038001 | 733.41 | Order By Description. |
| 3.73 Ratio | GMO | 12479279 | 853.51 | Contact Dealer for most current part and price information. |
| 4.10 Ratio | GMO | 14037998 | 0.00 | |
| 4.56 Ratio | GMO | 12471289 | 988.23 | Contact Dealer for most current part and price information. |
| 10.50 |
| Ring & Pinion Gears |
| G30 Vans |
| 3.21 Ratio | GMO | 471870 | 750.00 | Contact Dealer for most current part and price information. |
| 3.73 Ratio | GMO | 471871 | 0.00 | |
| 4.10 Ratio | GMO | 26014193 | 0.00 | |
| 4.56 Ratio | GMO | 19122187 | 1242.26 | Contact Dealer for most current part and price information. |