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Heavy-Duty Engine & Cab Wiring Harnesses: Reliable Electrical Connections
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Excavator Parts M11 ISM11 QSM11 Diesel Engine ECM ECU Wiring Harness 2864514
Excavator Parts M11 ISM11 QSM11 Diesel Engine ECM ECU Wiring Harness 2864514 Part Number: 2864514 Application: Excavator Parts M11 ISM11 QSM11 Diesel Engine Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification...Regular price $ 515 -
SH120-5 SH130-5 4JJ1 Engine Wiring Harness for excavator 8980350544 8-98035054-4
SH120-5 SH130-5 4JJ1 Engine Wiring Harness for excavator 8980350544 8-98035054-4 Part Number: 8-98035054-4 Application: SH120-5 SH130-5 4JJ1 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures...Regular price $ 180 -
381-2499 3812499 Engine Wire Harness FIT CAT 324D 326D Excavator C7 Engine
381-2499 3812499 Engine Wire Harness FIT CAT 324D 326D Excavator C7 Engine Part Number: 381-2499 3812499 Application: FIT CAT 324D 326D Excavator C7 Engine Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification...Regular price $ 259 -
323-9140 C9 Engine Wiring Harness 3239140 For CAT 336D 330D Excavator
323-9140 C9 Engine Wiring Harness 3239140 For CAT 336D 330D Excavator Part Number: 323-9140 Application: For CAT 336D 330D Excavator Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable...Regular price $ 148 -
306-8610 Chassis Main External Wiring Harness 320D
306-8610 Chassis Main External Wiring Harness 320D Part Number: 306-8610 Application: 320D Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under standard conditions. Heavy-duty...Regular price $ 1,380 -
230-6279 2306279, C9 Engine Wiring FITS FOR CAT 330C E330C Excavator Harness
230-6279 2306279, C9 Engine Wiring FITS FOR CAT 330C E330C Excavator Harness Part Number: 230-6279 2306279 Application: C9 Engine Wiring FITS FOR CAT 330C E330C Excavator Harness Condition: New Aftermarket Parts In Stock Key Features: Direct-fit...Regular price $ 320
If your excavator is throwing constant error codes or experiencing intermittent power loss, a brittle or damaged replacement wiring harness is often the hidden cause. As the communication lifeline between the ECU and your sensors, a high-quality engine wire harness must withstand extreme heat, hydraulic oil, and constant vibration without signal interference. BeeSpareParts provides a vast range of fully assembled harnesses with reinforced braiding and heavy-duty connectors for all major equipment brands.
Electrical issues are rarely solved by the harness alone. To ensure a clean signal throughout your machine, we recommend inspecting your Engine Sensors for corrosion, or browsing our if your display is still blank after a harness swap. Our harness assemblies are direct-fit alternatives that use flame-retardant materials and high-spec copper wiring to prevent short circuits and costly downtime.
Whether you need an internal engine harness for a Cummins, a main cab harness for a Komatsu, or injector wiring for a Cat, our parts are factory-tested for continuity and ready for fast international shipping. Eliminate electrical gremlins today—upgrade to a premium wiring harness solution.
Fits for:
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Engine & Model Series: 4BT, 6BT, 4D95, 6D102, S6K, J05E, J08E, 4HK1, 6HK1.
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Equipment Models: ZX, PC, SK, EC, EX series excavators, generators, and heavy-duty industrial units.