COGENG 20Y-06-42721 wiring harness direct OEM replacement for Komatsu PC270-8 PC200-8 PC200LC-8 excavators. Heavy-duty plug-and-play. Factory direct, order now! 
| Category | Specification | Benefit |
|---|---|---|
| COGENG Part Number | CG-KOM-20Y0642721 | Easy Identification |
| OEM Reference | 20Y-06-42721 | Direct Replacement |
| Compatible Models | PC200-8, PC200LC-8, PC270-8 | 20-27 Ton Range |
| Machine Weight Coverage | 20-27 Ton Excavators | Versatile Application |
| Wire Insulation | Oil-Resistant XLPE | Extended Service Life |
| Connector Rating | IP67 (Waterproof & Dustproof) | Maximum Protection |
| Temperature Range | -40°C to 125°C | Wide Operating Range |
| Voltage Rating | 24V DC System | Equipment Standard |
| Generation Specific | Dash-8 Electrical Architecture | Perfect Compatibility |
| Quality Validation | 100% Circuit Testing | Reliability Assured |
| Warranty Coverage | 18-Month Limited Warranty | Customer Protection |
| NO | Number | Name | Qty |
| 1 | 20Y-06-42721 | Wiring Harness | 1 |
| 2 | 08020-20000 | • Diode | 2 |
| 3 | 08041-00500 | • Fuse, 5Amp. | 1 |
| 4 | 08041-01000 | • Fuse, 10Amp. | 14 |
| 5 | 08041-02000 | • Fuse, 20Amp. | 3 |
| 6 | 08041-03000 | • Fuse, 30Amp. | 2 |
| 7 | 19M-06-31720 | • Resistor | 1 |
| 8 | 20Y-06-31660 | • Fusible Link, 30Amp. | 1 |
| 9 | 22U-06-11270 | • Fusible Link, 65Amp. | 1 |
| 10 | HM6400-0012 | • F-Connector, Black | 2 |
| 10 | HM6409-0071 | • M-Connector, Black | 2 |
| 11 | HM6400-0013 | • F-Connector, Green | 2 |
| 11 | HM6409-0072 | • M-Connector, Green | 2 |
| 12 | HM6440-0129 | • F-Connector, Pink | 1 |
| 12 | HM6440-0128 | • M-Connector, Pink | 1 |
| 13 | HM6400-0016 | • F-Connector, Orange | 1 |
| 13 | HM6409-0075 | • M-Connector, Orange | 1 |
| 14 | 20Y-06-41283 | Cable | 1 |
| 15 | 08038-00035 | Cap, Terminal | 1 |
| 16 | 20Y-06-22872 | Cable | 1 |
| 17 | 08038-06031 | Cap | 1 |
| 18 | 08088-30000 | Switch, Battery Relay | 1 |
| 19 | 08038-00519 | Cap, Terminal | 2 |
| 20 | 08038-06031 | Cap | 1 |
| 21 | 600-815-2170 | Switch, Heater | 1 |
| 22 | 08038-00519 | Cap, Terminal | 2 |
| 23 | 600-815-8941 | Relay | 1 |
| 24 | 08028-CC065 | Cable, Battery | 1 |
Complete machine power shutdown required before installation
Verify specific model configuration before installation
Follow Dash-8 generation specific routing diagrams
Ensure proper connector engagement for all systems
Perform comprehensive system diagnostics after installation
Reduced Downtime: Reliable construction minimizes the risk of shorts or failures.
Optimal Machine Performance: Ensures all electrical components operate at peak efficiency.
Excellent Value: Premium quality at a competitive aftermarket price.
Q: What Komatsu models use the 20Y-06-42721 wiring harness?
A: The COGENG 20Y-06-42721 wiring harness is a direct OEM replacement designed for Komatsu PC270-8, PC200-8, and PC200LC-8 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 specific machine options and serial number range.
Q: What are the symptoms of a failing wiring harness on a Komatsu Dash 8 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, CAN bus communication errors, specific functions not responding, or unexpected machine shutdowns. Dash 8 series Komatsu excavators feature advanced electronic control systems, making harness integrity critical for proper machine operation and reliable communication between control modules.
Q: Is this harness a direct plug-and-play replacement?
A: Yes, the COGENG 20Y-06-42721 harness is manufactured to exact OEM specifications for connector types, pin assignments, wire gauge, and routing length. It is a direct plug-and-play replacement requiring no wire splicing, soldering, or modifications when installed on compatible PC270-8, PC200-8, or PC200LC-8 excavators.
Q: What is the warranty coverage for this wiring harness?
A: COGENG provides a standard 12-month warranty against manufacturing defects from the date of installation. Proof of purchase and installation by a qualified technician are required. Warranty does not cover damage caused by improper installation, unauthorized modifications, rodent damage, or use on incompatible equipment.
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