Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Rear Axle |
| Cover Gasket |
| 113" Wheelbase |
| Without 4L70E Trans | GMO | 12479020 | 22.40 | |
| With 4L70E Trans | GMO | 26063649 | 10.01 | |
| Pinion Seal |
| 113" Wheelbase |
| 3.42 Ratio | GMO | 26064028 | 24.92 | Order By Description. |
| 3.73 Ratio |
| Without Limited Slip | GMO | 26064028 | 24.92 | Order By Description. |
| With Limited Slip |
| Without Positraction | GMO | 26064028 | 24.92 | Order By Description. |
| With Positraction | GMO | 12471523 | 13.49 | |
| 4.10 Ratio |
| Without Limited Slip | GMO | 12471523 | 13.49 | |
| With Limited Slip | GMO | 26064029 | 15.94 | Order By Description. |