| Parameter | Specification |
|---|---|
| COGENG Part Number | 203-06-71590 |
| OEM Equivalent | Komatsu 203-06-71590 |
| Product Type | Engine Wiring Harness Assembly |
| Application | Engine electrical system / ECM interface |
| Harness Type | Complete engine bay harness |
| Compatible Model | Komatsu PC130-7 Excavator |
| Key Function | Critical link between ECM and engine components |
| Brand | Part Number |
|---|---|
| COGENG | 203-06-71590 |
| Komatsu | 203-06-71590 |
| Interchange | 203-06-71591, 203-06-71592, 203-06-71580 |
| Parameter | Specification |
|---|---|
| System Voltage | 24V DC (Komatsu standard) |
| Current Capacity | Up to 45A (main power circuits) |
| Wire Gauge Range | 14AWG - 20AWG (signal) / 8AWG - 12AWG (starter/alternator) |
| Insulation Resistance | ≥100MΩ @ 500V DC |
| Dielectric Strength | 1500V AC/60s No Breakdown |
| Voltage Drop | <0.5V @ rated load |
| Temperature Rating | -40°C to +125°C (engine bay rated) |

| NO | Number | Name | Qty |
| 1 | 203-06-71590 | WIRING HARNESS | 1 |
| 2 | 08038-00519 | CAP | 2 |
| 3 | 04434-52110 | CLIP | 1 |
| 4 | 07095-20314 | CUSHION | 1 |
| 5 | 203-06-D1130 | SPACER | 1 |
| 6 | 01010-81065 | BOLT | 1 |
| 7 | 01643-31032 | WASHER | 1 |
| 8 | 04434-52112 | CLIP | 1 |
| 9 | 07095-20314 | CUSHION | 1 |
| 10 | 175-61-17240 | COLLAR | 1 |
| 11 | 01010-81285 | BOLT | 1 |
| 12 | 01643-31232 | WASHER | 1 |
| 13 | 203-06-71152 | CABLE | 1 |
| 14 | 04434-51410 | CLIP | 2 |
| 15 | 01010-81020 | BOLT | 2 |
| 16 | 01643-31032 | WASHER | 2 |
| 17 | 08034-20519 | BAND | 1 |
| 18 | 08038-00519 | CAP | 1 |
| 19 | 08034-40521 | BAND | 1 |
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