| Specification Category | Details |
|---|---|
| Compatible Equipment | Doosan Heavy Equipment Models (Compatible with 4022870 applications) |
| COGENG Part Number | CG-DOOSAN-MWH04 |
| Replaces OEM Part Number | 4022870 |
| Product Name | Main Wiring Harness Assembly |
| Application | Primary Electrical System Harness for Machine Control Systems |
| Wire Specifications | High-Temperature Resistant Insulation, Oil and Chemical Resistant |
| Connector Type | OEM-Compliant Sealed Connectors (IP67 Rated Equivalents) |
| Quality Assurance | 100% Continuity, Insulation Resistance, and Dielectric Strength Tested |
| Warranty | COGENG 12-Month / 2,000-Hour Limited Warranty |
| NO | Number | Name | Qty |
| 1 | S-631 | WASHER;PLAIN | 3 |
| 2 | 3098706 | BRACE;WIRING | 1 |
| 3 | 3251659 | NUT | 3 |
| 4 | 3335571 | BRACE;WIRING | 1 |
| 5 | 3617958 | NUT | 1 |
| 6 | 3818060 | SCREW M10X1.5X25 | 3 |
| 7 | 3821783 | SCREW M8X1.25X20 | 5 |
| 8 | 3900627 | SCREW M6X1.0X14 | 3 |
| 9 | 4004501 | HARNESS | 1 |
| 10 | 4022870 | HARNESS | 1 |
Q: What are the symptoms of a failing injector harness on a Cummins ISM, QSM, or M11 engine?
A: Common symptoms include engine misfire on one or multiple cylinders, rough idling or uneven engine operation, loss of power under load, increased fuel consumption, active diagnostic trouble codes related to injector solenoid circuits, engine derating or limp mode activation, or the engine failing to start. Because the injector harness is located under the valve cover in a high-heat, high-vibration environment with exposure to engine oil, degradation over time is common.
Q: Is this injector harness a direct plug-and-play replacement?
A: Yes, the COGENG 4022870 injector 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 Cummins ISM, QSM, or M11 engines in Doosan MEGA 500-V excavators.
Contact COGENG
📞 Phone: +86-185-2913-1515 🌐 Instagram
📧 Email: hugo@cogeng.net 🌐 Facebook：Excavator Parts Selection and Replacement Community
💬 WhatsApp +86-185-2913-1515 Facebook: Excavator Wiring Harness
💬 WeChat: +86-185-7865-1106 Facebook: Excavator Wire Harness
🌐 Website: cogeng.net Facebook: Excavator SolenoidValve
#ExcavatorWiringHarness #ExcavatorThrottleMotor #ExcavatorSolenoidValve #ExcavatorSealKit
