| Category | Specification |
|---|---|
| COGENG Part Number | CG-KOM-20Y0622131 |
| OEM Reference | 20Y-06-22131 |
| Compatible Models | PC200-6Z, PC220-6Z |
| Machine Weight Class | 20-22 Ton Z-Series |
| Series Classification | Z-Series Special Applications |
| Wire Insulation | Enhanced Oil-Resistant XLPE |
| Connector Rating | IP66 (Water & Dust Resistant) |
| Temperature Range | -40°C to 125°C |
| Voltage Rating | 24V DC System |
| Quality Validation | 100% Z-Series Specific Testing |
| Warranty Coverage | 18-Month Limited Warranty |
OEM Specification Match: Serves as a reliable aftermarket alternative to the Komatsu Genuine Part Number 20Y-06-22131 (20Y0622131).
Engine-Specific Application: This is the primary Engine Wiring Harness, responsible for the electrical connection and control of the engine's key operational components.
Extreme Temperature Resilience: Constructed with premium-grade, heat-resistant insulation and copper wiring to withstand the high operating temperatures within the engine bay.
Vibration and Abrasion Resistance: The robust design is engineered to handle constant engine vibration and protect against mechanical wear, ensuring a long service life.
Flawless Signal Integrity: Provides clean, uninterrupted electronic signals for vital engine functions, crucial for maintaining fuel efficiency and performance standards.
| NO | Number | Name | Qty |
| 1 | 20Y-06-22131 | WIRING HARNESS | 1 |
| 08020-00000 | • DIODE | 4 | |
| 20Y-06-15150 | • FUSIBLE LINK | 2 | |
| 2 | 08036-02514 | CLIP | 1 |
| 3 | 144-947-3490 | SPACER | 1 |
| 4 | 01010-51245 | BOLT | 1 |
| 5 | 01643-31232 | WASHER | 1 |
| 6 | 20Y-06-21240 | PLATE | 1 |
| 7 | 01010-51225 | BOLT | 1 |
| 8 | 01643-31232 | WASHER | 1 |
| 9 | 08036-02514 | CLIP | 1 |
| 10 | 01010-51225 | BOLT | 1 |
| 11 | 01643-31232 | WASHER | 1 |
| 12 | 08036-01014 | CLIP | 1 |
| 13 | 01010-51225 | BOLT | 1 |
| 14 | 01643-31232 | WASHER | 1 |
| 15 | 08036-02514 | CLIP | 1 |
| 16 | 144-947-3490 | SPACER | 1 |
| 17 | 01010-51245 | BOLT | 1 |
| 18 | 01643-31232 | WASHER | 1 |
| 19 | 08036-02514 | CLIP | 2 |
| 20 | 01010-51225 | BOLT | 2 |
| 21 | 01643-31232 | WASHER | 2 |
| 22 | 08036-01814 | CLIP | 3 |
| 23 | 08036-01014 | CLIP | 1 |
| 24 | 01010-51225 | BOLT | 1 |
| 25 | 01643-31232 | WASHER | 1 |
| 26 | 08036-01814 | CLIP | 2 |
| 27 | 01010-51225 | BOLT | 2 |
| 28 | 01643-31232 | WASHER | 2 |
| 29 | 08036-01814 | CLIP | 1 |
| 30 | 01010-51225 | BOLT | 1 |
| 31 | 01643-31232 | WASHER | 1 |
| 32 | 08036-01414 | CLIP | 2 |
| 33 | 01010-51225 | BOLT | 2 |
| 34 | 01643-31232 | WASHER | 2 |
Verify specific Z-Series model and configuration before installation
Complete machine power shutdown and system isolation required
Follow Z-Series specific routing diagrams and mounting positions
Ensure proper engagement of all specialized Z-Series connectors
Perform comprehensive system diagnostics post-installation
Q: What Komatsu models use the 20Y-06-22131 wiring harness?
A: The COGENG 20Y-06-22131 wiring harness is a direct OEM replacement specifically designed for Komatsu PC200-6Z and PC220-6Z excavator models. Always verify the part number stamped on your original harness tag and consult your machine's parts manual to confirm exact compatibility before ordering, as harness configurations can vary by serial number range and specific machine options.
Q: What are the symptoms of a failing wiring harness on a Komatsu Dash 6Z series excavator?
A: Common symptoms include intermittent electrical faults, multiple warning lights illuminated on the monitor panel, unresponsive hydraulic or engine controls, erratic gauge or sensor readings, communication errors between control modules, specific functions not responding, or unexpected machine shutdowns. Dash 6Z series machines are earlier generation electronically controlled excavators, and harness degradation from age, heat exposure, vibration, and moisture ingress is a frequent cause of electrical issues.
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