| Part | Manufacturer | OEM Part # | Price | Notes |
| Adapter Oil Seal |
| 4L80E | GMO | 8675517 | 24.47 | |
| Pump Gasket |
| 4L80E | GMO | 8677782 | 9.81 | |
| Torque Converter Oil Seal |
| 4L60E |
| See Oil Pump. |
| 4L80E | GMO | 8661760 | 8.44 | |
| Adapter Gasket |
| 4L60E |
| Seal | GMO | 1358899 | 2.89 | |
| 4L80E | GMO | 8681168 | 8.25 | |
| Oil Pan Gasket |
| 4L60E | GMO | 8654799 | 9.42 | Contact Dealer for most current part and price information. |
| 4L80E | GMO | 8677743 | 58.92 | |
| Cover Gasket |
| 4L80E | GMO | 8675728 | 8.48 | |
| Valve Body Gasket Kit |
| 4L80E |
| Gasket, Valve Body to Spacer Plate | GMO | 24201115 | 8.48 | |
| Extension Housing Seal |
| 4L80E | GMO | 24236132 | 8.64 | Order By Description. |
| 4L60E | GMO | 24208660 | 8.25 | |
| Oil Pump Seal |
| 4L80E |
| Front Pump Seal | GMO | 8661760 | 8.44 | |
| Pump Seal | GMO | 24210605 | 7.93 | |
| Torque Converter Seal |
| THM-700-R4 (4L60-4L60E) |
| Seal |
| See Oil Pump. |
| Gasket & Seal Kit |
| 4L60E | GMO | 24236378 | 163.47 | Part of Gasket Kit. |
| 4L80E | GMO | 24202111 | 151.82 | Contact Dealer for most current part and price information. |
| Inner Seal |
| 4L80E | GMO | 24202358 | 8.48 | |
| Outer Seal |
| 4L80E | GMO | 24202357 | 8.48 | |
| Seal Kit |
| 4L60E | GMO | 8683960 | 16.16 | |
GMO | 8648987 | 8.48 | Order By Thickness. | | Manual Shaft Seal |
| 4L80E | GMO | 8657163 | 8.11 | |