| Part | Manufacturer | OEM Part # | Price | Notes |
| Fluid Pan Gasket |
| THM 4T60 | GMO | 8668028 | 11.72 | Contact Dealer for most current part and price information. |
| THM 125C/3T40 | GMO | 8678168 | 17.86 | Contact Dealer for most current part and price information. |
| 3 Speed | GMO | 8678168 | 17.86 | Contact Dealer for most current part and price information. |
| 4 Speed | GMO | 8678681 | 49.95 | |
| Transaxle Side Oil Seals |
| 3T40 |
| Seal, Axle | GMO | 8666007 | 8.48 | Contact Dealer for most current part and price information. |
| Channel Plate Gasket Kit |
| 4T60 | GMO | 8646945 | 21.79 | |
| Case Cover Gasket |
| 3T40 |
| Gasket | GMO | 8678169 | 13.58 | |
| 4T60 |
| Gasket | GMO | 8644902 | 47.94 | All Converters Are Remanufactured, Order By Description. |