Main External Wiring Harness Assembly 388-6859 For Caterpillar Excavator 374D L
Overview：
The 388‑6859 Wiring Harness is designed for CAT excavators such as E374D and 374D, providing a stable connection for the machine’s electrical system. Built with durable materials, it maintains reliable performance under heat, vibration, and harsh working conditions. This harness replaces OEM part numbers 388‑6859 / 3886859, offering an easy, direct-fit solution for repair, replacement, and routine maintenance.
Specification： •Compatible Models: CAT E374D / 374D •Replacement Part Numbers: 388‑6859, 3886859 •Product Type: External Wiring Harness •Function: Electrical connection and signal transmission •Condition: Brand New •Working Voltage:24V construction machine electrical system •Operating Temp:‑40℃ ~ +125℃ •Application: Consult your owner's manual or contact your local Cat Dealer for more information. •Warranty: 12 months factory warranty
Attributes: • OEM direct replacement • Heat resistant • Main chassis harness
