Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| 4T65E |
| Gasket, Case | GMO | 24205119 | 9.81 | |
| Separator Gasket | GMO | 24207957 | 9.63 | |
| Extension Housing Seal | GMO | 8651419 | 8.09 | |
| Side Cover Gasket | GMO | 24206959 | 97.49 | |
| Oil Pan Gasket | GMO | 24206182 | 49.25 | |
| Oil Seal, Case | GMO | 8685515 | 8.48 | |
| Axle Seals | GMO | 24202835 | 8.18 | |
| 4T80E |
| Side Cover Gasket | GMO | 8679392 | 15.76 | |
| Axle Seals | GMO | 8679679 | 15.93 | |
| Case Gasket | GMO | 24208778 | 76.05 | |
| Extension Housing Seal | GMO | 8679017 | 24.97 | |
| Oil Seal | GMO | 8677554 | 8.48 | |
| Oil Pan Gasket |
| Gasket Only. | GMO | 24209512 | 48.86 | |
| Shaft Seals | GMO | 8686052 | 3.60 | |
| Separator Gasket | GMO | 24231071 | 27.93 | |
| Cover Seal | GMO | 8679290 | 8.48 | |