Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| 149 |
| Ring | GMO | 12478163 | 14.16 | |
| Planetary Sun Gear | GMO | 12478155 | 316.00 | |
| Thrust Washer | GMO | 12478158 | 26.67 | |
| Planetary Carrier | GMO | 12478160 | 541.03 | |
| 4482, 4484 |
| Carrier | GMO | 88996527 | 558.61 | |
GMO | 89059279 | 650.40 | | | New Process 261 |
| Carrier |
| 1/2 Ton | GMO | 88984435 | 389.74 | |
| 3/4 & 1 Ton | GMO | 12547997 | 457.16 | |
| 136, 236, 246 |
| Carrier |
| Without 2 Speed |
| 4L60E | GMO | 88984435 | 389.74 | |
| 4L80E/4L85E | GMO | 12547997 | 457.16 | |
| Gear |
| Without 2 Speed |
| 27 Teeth | GMO | 88962322 | 299.90 | |
| 32 Teeth | GMO | 88962329 | 288.46 | |
| Thrust Washer |
| With 2 Speed | GMO | 12470959 | 9.17 | |
| Ring | GMO | 12547465 | 9.12 | |
GMO | 12547477 | 9.12 | | | Without 2 Speed | GMO | 682653 | 1.61 | |
| With 2 Speed | GMO | 12470959 | 9.17 | |
| Sprocket |
| Without 2 Speed | GMO | 12474614 | 77.03 | |
| With 2 Speed | GMO | 12475001 | 85.16 | |
| 263 |
| Carrier | GMO | 12547997 | 457.16 | |
| Bearing | GMO | 12350040 | 14.16 | |
| Input Gear |
| Auto Trans | GMO | 12384969 | 294.54 | |
| 4481 |
| Carrier | GMO | 89059279 | 650.40 | |