Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| 4 Speed Hydromatic M20 | ||||
| Trans Assembly | ||||
| 10-20 Series | GMO | 15597790 | 1275.00 | Contact Dealer for most current part and price information. |
| 30 Series | GMO | 15597789 | 1275.00 | Contact Dealer for most current part and price information. |
| 4 Speed New Process | ||||
| Speedo Gear | GMO | 14071755 | 13.00 | Contact Dealer for most current part and price information. Order BY Gear Ratio. |