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KRR19720 External Wiring Harness for Case CX210B Sumitomo SH240-5 Excavator
If diagnosis has led you to the wiring, the KRR19720 External Wiring Harness gives you a complete, new harness for Case CX210B, SH240-5 excavators instead of a patchwork of repairs on old, brittle wire.
Function Overview
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.
Because it runs through the most exposed areas of the machine, the main harness takes more abuse than almost any other electrical part. Swinging, vibration, dust, washdowns and rodents all take their toll, which is why it is one of the most commonly replaced harnesses on older machines.
On Case machines, wiring faults frequently show as monitor warnings or controller errors that disappear and return.
Common Symptoms of a Failing Harness
Watch for these symptoms:
- Rodent damage, crushed sections or wires worn through where the harness rubs the frame
- Work lights, horn or wipers working only some of the time
- Blown fuses that keep recurring with no obvious cause
- Starting problems traced to wiring rather than the battery or starter
- Several unrelated circuits failing at once
If these symptoms persist after checking fuses, batteries and grounds, the wiring itself is the next thing to suspect.
Installation Guide
- 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.
Check Fitment Before Ordering
Before ordering, compare the part number printed on the label of your original harness with KRR19720. 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.
Why Full Replacement Pays Off
Harness repairs are hard to do well in the field. Moisture gets into joints, tape loosens with heat, and intermittent faults come back. Replacing the harness gives you factory-style connections throughout and makes future troubleshooting far simpler.
Common Questions
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 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.
Do I need special tools to install it?
Standard hand tools are usually enough. Labelling connectors and taking photos before removal makes the job much easier.
Specifications
- Part Name: External Wiring Harness
- Part Number: KRR19720
- Condition: Genuine new
- Product Weight: 13 kg / 28.66 lbs
- Brand: TOPARTS
- Feature: Matches original routing and length; durable, heat-resistant insulation
Compatible Models
CASE CX210B Sumitomo SH240-5 Excavator
Shipping and Payment
- 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.
