Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| 3T40 |
| Planetary Gear |
| Snap Ring | GMO | 8631549 | 5.64 | Contact Dealer for most current part and price information. |
GMO | 8631078 | 8.16 | | GMO | 8631602 | 5.24 | | | Seal | GMO | 8631913 | 5.39 | |
GMO | 8631913 | 5.39 | | GMO | 8631913 | 5.39 | | | Low-Reverse Piston | GMO | 8666659 | 58.82 | |
| Ring | GMO | 8683635 | 6.11 | Contact Dealer for most current part and price information. |
| Ring, Carrier |
| Part Of Carrier. |
| Spring | GMO | 8628222 | 6.97 | Contact Dealer for most current part and price information. |
| Retainer | GMO | 8664961 | 5.34 | |
| Snap Ring Kit | GMO | 8664957 | 6.33 | |
| Clutch Plate |
| Steel | GMO | 8683085 | 6.28 | |
| Faced | GMO | 8677034 | 8.86 | Contact Dealer for most current part and price information. |
| Backing Plate | GMO | 8664146 | 0.00 | Contact Dealer for most current part and price information. |
| Spacer | GMO | 8631241 | 5.43 | Contact Dealer for most current part and price information. |
GMO | 8652022 | 28.86 | | | Race | GMO | 8631093 | 25.77 | Contact Dealer for most current part and price information. |
| Roller | GMO | 7471003 | 44.24 | |
| Thrust Washer | GMO | 8631227 | 6.78 | |
GMO | 8631062 | 5.91 | | GMO | 8631063 | 5.58 | | GMO | 8664762 | 8.20 | Contact Dealer for most current part and price information. | GMO | 8628188 | 6.56 | | | Bushing | GMO | 8631905 | 38.52 | Also Part Of 24-OVERDRIVE CARRIER |
GMO | 8631905 | 38.52 | Also Part Of 24-OVERDRIVE CARRIER | GMO | 8631906 | 17.98 | Contact Dealer for most current part and price information. | GMO | 8631904 | 17.98 | | GMO | 8631119 | 4.73 | | | Reaction Carrier | GMO | 8683633 | 218.91 | Contact Dealer for most current part and price information. |
| Thrust Bearing | GMO | 8628962 | 8.48 | |
GMO | 8631116 | 8.20 | Contact Dealer for most current part and price information. | | With 2.97, 3.06, 3.33 Ratio | GMO | 8646254 | 8.48 | |
| Internal Gear Assembly | GMO | 8652236 | 96.67 | Contact Dealer for most current part and price information. |
| Final Drive Internal Gear | GMO | 8631117 | 199.74 | |
| Sun Gear Shaft | GMO | 8660057 | 144.10 | |
| Sun Gear | GMO | 24209164 | 68.11 | |
| Input Sun Gear | GMO | 8652644 | 67.64 | |
| Input Gear | GMO | 8686140 | 141.94 | Contact Dealer for most current part and price information. |
| Input Carrier | GMO | 8686142 | 200.21 | Contact Dealer for most current part and price information. |
| Drum | GMO | 8652435 | 58.37 | |
| Reaction Sun Gear |
| Reaction Sun Gear | GMO | 8631845 | 151.82 | Contact Dealer for most current part and price information. |
| Housing | GMO | 8666656 | 65.03 | Includes 41-BUSHING. |
| 4T40E |
| Planetary Gears |
| Bearing | GMO | 24200248 | 16.25 | |
GMO | 24200246 | 14.16 | | GMO | 24200249 | 15.86 | | GMO | 24200252 | 15.86 | | | Bushing |
| See Reaction Carrier Shell |
| Bushing, Flange |
| Part Of Flange. |
| Shell |
| Reaction Carrier Shell | GMO | 24202267 | 86.84 | |
| Reaction Sun Gear Shell | GMO | 24218026 | 97.93 | |
| Thrust Bearing | GMO | 24200251 | 15.86 | |
| Sun Gear Bushing |
| See Sun Gear Shell. |
| Reaction Carrier | GMO | 24221736 | 302.47 | |
| Sun Gear | GMO | 8684581 | 51.58 | |
| Carrier Sun Gear | GMO | 8684312 | 124.27 | |
| Retaining Ring | GMO | 8684580 | 8.28 | |
GMO | 8684893 | 8.00 | | GMO | 24203619 | 8.00 | | GMO | 8684575 | 8.28 | | | Gear | GMO | 24215273 | 229.25 | |
| Input Carrier | GMO | 24228792 | 236.28 | |
| Flange | GMO | 24202221 | 73.23 | |
| Shaft | GMO | 24201609 | 160.98 | |
| Roller | GMO | 24215825 | 72.59 | |
| Oil Seal | GMO | 24204223 | 15.86 | |
| Parking Gear | GMO | 24204708 | 48.77 | |
| Retainer | GMO | 8684580 | 8.28 | |