Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| THM 400-475 (3L80-3L80HD) | ||||
| Extension Assembly | GMO | 8679979 | 137.01 | Contact Dealer for most current part and price information. |
| THM 700-R4 (4L60-4L60E) | ||||
| Extension, With Bush & Seal | GMO | 8667634 | 56.75 | Contact Dealer for most current part and price information. |