- CN
| Category | Specification |
|---|---|
| COGENG Set Number | CG-KOM-SET-20371730-71731 |
| OEM References | 203-06-71730 & 203-06-71731 |
| Set Components | 2 Complete Harness Assemblies |
| Wire Insulation | Oil-Resistant XLPE |
| Connector Rating | IP67 (Waterproof & Dustproof) |
| Temperature Range | -40°C to 125°C |
| Voltage Rating | 24V DC System |
| Quality Validation | 100% Individual & Paired Testing |
| Warranty Coverage | 18-Month Limited Warranty |
| NO | Number | Name | Qty |
| 1 | 203-06-71731 | WIRING HARNESS | 1 |
| 1 | 203-06-71730 | WIRING HARNESS | 1 |
| 2 | 08041-01000 | • FUSE, 10A | 16 |
| 3 | 08041-02000 | • FUSE, 20A | 4 |
| 4 | 04434-53411 | CLIP | 3 |
| 5 | 195-33-11220 | SPACER | 3 |
| 6 | 01010-81040 | BOLT | 3 |
| 7 | 01643-31032 | WASHER | 3 |
| 8 | 04434-51710 | CLIP | 2 |
| 9 | 195-33-11220 | SPACER | 2 |
| 10 | 01010-81040 | BOLT | 2 |
| 11 | 01643-31032 | WASHER | 2 |
| 12 | 01435-01016 | BOLT | 1 |
| 13 | 04434-53411 | CLIP | 1 |
| 14 | 01010-81020 | BOLT | 1 |
| 15 | 01643-31032 | WASHER | 1 |
| 16 | 08034-20519 | BAND | 4 |
| 17 | 04434-52310 | CLIP | 3 |
| 18 | 195-33-11220 | SPACER | 3 |
| 19 | 01010-81040 | BOLT | 3 |
| 20 | 01643-31032 | WASHER | 3 |
| 21 | 08193-30010 | CLIP | 1 |
| 22 | 08028-43030 | CABLE | 1 |
| 23 | 01010-81020 | BOLT | 1 |
| 24 | 01643-31032 | WASHER | 1 |
| 25 | 04434-51910 | CLIP | 1 |
| 26 | 01010-81020 | BOLT | 1 |
| 27 | 01643-31032 | WASHER | 1 |
Complete power system shutdown required before installation
Install both harnesses as matched set for optimal performance
Follow OEM routing diagrams for each component
Ensure all inter-harness connections are properly engaged
Perform comprehensive system diagnostics after installation
OEM Reference: Direct replacement for Komatsu Part Numbers 203-06-71730 and 203-06-71731.
Key Function: This is the Internal Engine Wiring Harness, managing the complex signal and power distribution for the electronic engine control system.
Primary Application: Specifically designed for the Komatsu PC130-7 Hydraulic Excavator (Check serial number range for exact fitment).
Critical Connectivity: Provides reliable links to:
Engine Sensors (Pressure, Temperature, Speed)
Fuel Injectors and Actuators
Starter and Alternator Connections
ECU Communication Port
Premium Construction: Constructed using high-temperature, oil-resistant insulation and quality copper conductors to resist engine heat, vibration, and chemical degradation inherent in the engine compartment.
Tested Reliability: Each harness is rigorously tested for proper continuity, insulation resistance, and accurate connector pin-out to guarantee flawless communication and power delivery, eliminating intermittent electrical faults.
