| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| Extension Housing Seal | 0.5 | 0.3 | B | |
| NOTE |
| With 2 Piece Drive Shaft, Add | 0.3 | 0.2 | B | |
| NV1500/NV3500/NV3550 |
| Extension Housing Seal | 0.8 | 0.5 | C | |
| Input Shaft Seal | 0.5 | 0.0 | B | After Trans Is Removed. |
| NV4500, NV4500HD |
| Extension Housing Seal | 0.8 | 0.5 | C | |
| Input Shaft Seal | 5.5 | 0.0 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| NV5600 |
| Input Shaft Seal | 5.1 | 3.7 | B | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | B | |
| Extension Housing Seal | 0.5 | 0.3 | C | |