| Item | Part No. | Part Name | Qty | Serial No. |
| | Engine Wiring Harness, Engine Wiring Harness | | |
| | Engine Wiring Harness, Starting Wiring Harness | | |
| | Engine Wiring Harness, Alternator Wiring Harness | | |
| | Engine Wiring Harness, Air Cleaner | | |
| | Engine Wiring Harness, Air Cleaner Mounting | | |
| | Engine Wiring Harness, Air Cleaner Piping | | |
| | Engine Wiring Harness, Dust Indicator | | |
| | Engine Wiring Harness, Komatsu Closed Crankcase Ventilation (KCCV) | | |
| | Engine Wiring Harness, Komatsu Closed Crankcase Ventilation (KCCV) Mounting | | |
| | Engine Wiring Harness, Komatsu Closed Crankcase Ventilation (KCCV) Piping (1/2) | | |
| | Engine Wiring Harness, Komatsu Closed Crankcase Ventilation (KCCV) Piping (2/2) | | |
| | Engine Wiring Harness, Tube and Hose | | |
