KRR1599 External Wiring Harness for Sumitomo SH200A3 SH220A3 Excavator
Electrical faults can stop an excavator as surely as a mechanical failure. The KRR1599 External Wiring Harness replaces damaged or aged wiring on Sumitomo SH240-3, SH200A3, SH220A3 excavators and returns the affected circuits to dependable operation.
Specifications
- Part Name: External Wiring Harness
- Part Number: KRR1599
- Condition: Genuine new
- Product Weight: 11 kg / 24.25 lbs
- Brand: TOPARTS
- Feature: Strict quality control standards; stable performance and high reliability
Fits the Following Machines
SH240-3, etc
How It Works on Your Machine
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.
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.
Many Sumitomo electrical designs are shared with Case models, so correct part number matching is especially important.
Keeping the New Harness in Good Shape
Once the new harness is fitted, a quick look during routine services goes a long way. Check for rubbing points, loose clamps and oil contamination, and keep the engine bay and battery area clean so that debris does not build up around the wiring.
Questions Buyers Often Ask
How long does shipping take?
Orders are shipped by express courier such as DHL, FedEx, UPS or TNT, and you will receive a tracking number by email as soon as your parcel leaves our warehouse.
What should I do if the part does not match?
Contact us with photos of the original and the new part. We will help you resolve the issue quickly.
Is this harness plug-and-play?
Yes. It is built to the original layout with matching connectors, so it installs in place of the original without cutting or splicing.
How to Verify Compatibility
Before ordering, compare the part number printed on the label of your original harness with KRR1599. It is also worth comparing the connector shapes and the number of branches with our product photos. If your machine's serial range or engine variant differs, send us your machine details and we will confirm compatibility before you buy.
Signs Your Harness Needs Replacing
Watch for these symptoms:
- Hydraulic functions slowing down or stopping because solenoids lose signal
- Rodent damage, crushed sections or wires worn through where the harness rubs the frame
- Several unrelated circuits failing at once
- Starting problems traced to wiring rather than the battery or starter
When diagnostics point to a circuit fault rather than a failed component, replacing the wiring is often the most cost-effective repair.
Installation Tips
- Work section by section, transferring clips and ties as you go, rather than removing the whole harness at once.
- 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.
Ordering Information
- 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.

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