Extension Housing: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| NV4500, NV4500HD | 3.5 | 3.7 | C | |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.2 | C | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | C |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| NV4500, NV4500HD | 3.5 | 3.7 | C | |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.2 | C | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | C |