| Part | Manufacturer | OEM Part # | Price | Notes |
| Input Gear |
| 3T40 | GMO | 8686140 | 141.94 | Contact Dealer for most current part and price information. |
| Internal Gear Assembly |
| 3T40 | GMO | 8652236 | 96.67 | Contact Dealer for most current part and price information. |
| Final Drive Internal Gear | GMO | 8631117 | 199.74 | |
| Input Carrier |
| 3T40 | GMO | 8686142 | 200.21 | Contact Dealer for most current part and price information. |
| 4T40E | GMO | 24228792 | 236.28 | |
GMO | 24228792 | 236.28 | | | Sun Gear |
| 3T40 | GMO | 24209164 | 68.11 | |
| Input Sun Gear | GMO | 8652644 | 67.64 | |
| 4T40E | GMO | 8684581 | 51.58 | |
| Reaction Carrier |
| 3T40 | GMO | 8683633 | 218.91 | Contact Dealer for most current part and price information. |
| 4T40E | GMO | 24221736 | 302.47 | |
| Reaction Sun Gear |
| 3T40 | GMO | 8631845 | 151.82 | Contact Dealer for most current part and price information. |
| Sun Gear Shaft |
| 3T40 | GMO | 8660057 | 144.10 | |