| Pinion Nut Included | N |
| Ring Gear Size | 16.5 |
| Ring Teeth Count | 39 |
| Pinion Number | 129181 |
| Axle Model | RS341, 402, 403, 451** |
| Pinion Teeth Count | 10 |
| Prop 65 | NO |
| Heavy Duty Supplier | Yes |
| Gear Ratio | 3.90 |
| Ring Gear Type | Spiral Beval |
| Ring Gear Number | 99746 |
| Part Terminology | Differential Ring and Pinion |