Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Case Cover Gasket | ||||
| 4 Speed, Hydramatic (M20) | ||||
| Gasket | GMO | 8672187 | 8.28 | Contact Dealer for most current part and price information. |
| Side Cover Gasket | GMO | 8672163 | 8.28 | Contact Dealer for most current part and price information. |
| Overhaul Gasket Kit | ||||
| 4 Speed, Hydramatic (M20) | GMO | 8672945 | 71.89 | Contact Dealer for most current part and price information. |