| Part | Manufacturer | OEM Part # | Price | Notes |
| Fluid Pan Gasket |
| THM 200-4R, 4 Speed, RWD |
| Gasket | GMO | 8657387 | 8.67 | Contact Dealer for most current part and price information. |
| THM-200C, 3 Speed, RWD |
| Gasket | GMO | 8648529 | 4.42 | Contact Dealer for most current part and price information. |
| Oil Pump Seal |
| THM 200-4R, 4 Speed, RWD |
| Oil Seal | GMO | 8648394 | 8.48 | |
| Governor Cover Gasket |
| THM 200-4R, 4 Speed, RWD | GMO | 8634477 | 0.00 | Contact Dealer for most current part and price information. |
| Gasket Kit, With Seals |
| Outer |
| THM 200-4R, 4 Speed, RWD | GMO | 8639948 | 129.96 | Contact Dealer for most current part and price information. |