Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| 4T80E |
| Planetary Gears |
| Bearing | GMO | 8677884 | 15.95 | |
GMO | 8646504 | 24.39 | | | Sun Gear | GMO | 8678083 | 229.25 | |
GMO | 8678825 | 160.98 | | | Input Sun Gear | GMO | 8678076 | 49.02 | |
| Reaction Carrier | GMO | 8681884 | 763.37 | |
| Thrust Bearing | GMO | 9436851 | 8.32 | |
GMO | 8678189 | 16.25 | | GMO | 9436851 | 8.32 | | | Retaining Ring | GMO | 8678821 | 8.13 | |
GMO | 8681080 | 8.28 | | GMO | 8677619 | 7.75 | | GMO | 8678181 | 8.28 | | | Shell |
| Reaction Carrier Shell | GMO | 8678075 | 55.60 | |
| Input Carrier | GMO | 8681887 | 660.51 | |
| Shaft | GMO | 8678124 | 236.21 | |
| Input Gear |
| Input Gear Kit | GMO | 24200461 | 751.00 | |
| Parking Gear | GMO | 8677214 | 169.34 | |
| Snap Ring | GMO | 8678188 | 8.00 | |
| Gear | GMO | 8677862 | 377.09 | |