| Options | Interchange # |
| |
| 4.3L |
| (8.6" ring gear, 10 bolt) |
| 3.23 ratio (opt GU5) |
| (4x2) | 435-02312 |
| 3.42 ratio (opt GU6) |
| (4x4) | 435-02313 |
| 5.3L |
| 3.08 ratio (opt GU4) |
| (9.5" ring gear) | 435-02307A |
| 3.23 ratio (opt GU5) |
| (9.75" ring gear) | 435-02308C |
| 3.42 ratio (opt GU6) |
| 9.5" ring gear | 435-02307B |
| 9.75" ring gear (opt NHT) | 435-02308A |
| 3.73 ratio (opt GT4) |
| (9.75" ring gear) | 435-02308B |
| 6.2L |
| (9.75" ring gear) |
| 3.23 ratio (opt GU5) | 435-02308C |
| 3.42 ratio (opt GU6) | 435-02308A |
| 3.73 ratio (opt GT4) | 435-02308B |