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267-8049 Chassis Outer External Wiring Harness Assembly for Caterpillar Excavator E365C
Part number 267-8049 is the External Wiring Harness used on Caterpillar E365C excavator. This aftermarket replacement from TOPARTS is designed to fit in place of the original without cutting, splicing or rerouting.
Why This Harness Matters
Laid out around the frame and through the house of the excavator, this harness is the long-distance carrier of the electrical system. It ties together the cab controls, controllers, pump and valve solenoids, sensors and lighting into one connected network.
This is the backbone of the machine's electrical system. The External Wiring Harness runs along the frame and upper structure, distributing power from the batteries and fuse box and carrying signals between the cab, the engine compartment, the hydraulic system and the work lights.
On Cat equipment, a damaged harness often shows up as active diagnostic codes before any visible failure, so replacing the wiring can clear problems that look like sensor or ECM faults.
Before and During Installation
- Disconnect the battery isolator before starting.
- Check every ground strap and clean its contact surface to bare metal.
- Add protective sleeving wherever the old harness showed signs of rubbing.
- Test lights, horn, solenoids and the monitor before refitting covers.
Warning Signs to Watch For
You may notice:
- Blown fuses that keep recurring with no obvious cause
- Starting problems traced to wiring rather than the battery or starter
- Monitor warnings that disappear when the machine is stopped
- Several unrelated circuits failing at once
- Hydraulic functions slowing down or stopping because solenoids lose signal
Intermittent faults like these are classic signs of ageing wiring, and they rarely improve on their own.
Keep Your Machine Earning
Dealer lead times for wiring harnesses can stretch to weeks. Ordering a replacement in advance, or as soon as faults begin to appear, keeps your project on schedule and avoids rental costs for a substitute machine.
Looking After Your Wiring
Avoid aiming a pressure washer directly at connectors and the ECM. Water forced past the seals is a common cause of corrosion and intermittent faults. A light spray and a dry cloth are kinder to the electrical system.
Built for Heavy-Duty Work
Each harness is produced under strict quality control, with wire gauges, colours and connector types matched to the original specification. Terminals are crimped for secure contact, and the bundle is protected with sleeving where the original used it.
Specs at a Glance
- Part Name: External Wiring Harness
- Part Number: 267-8049, 2678049
- Condition: Aftermarket new
- Product Weight: 10 kg / 22.05 lbs
- Brand: TOPARTS
- Feature: Strict quality control standards; stable performance and high reliability
Compatible Models
Caterpillar Excavator E365C
Payment & Shipping
- Payment Method: PayPal, Stripe, Credit card, Visa, etc.
- Shipping Method: DHL, FedEx, UPS, TNT, USPS EMS, etc.
- Track Your Order: An email containing the tracking number with a link will be sent to you as soon as it ships.
Note: Please verify your part number and match our product pictures to your original item before ordering. If you have any questions, please feel free to contact us. Thanks.
