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21N8-10013 Wiring Harness HCE for Hyundai R290LC-7 Excavator
If diagnosis has led you to the wiring, the 21N8-10013 Wiring Harness gives you a complete, new harness for Hyundai R290LC-7 excavator instead of a patchwork of repairs on old, brittle wire.
What This Harness Does
Wiring harnesses rarely fail all at once. They wear out gradually through heat, vibration and abrasion until a connection becomes unreliable. Replacing the Wiring Harness restores the circuit to as-new condition in one job.
Designed to the original routing, length and connector layout, this harness drops into place where the old one was removed, so the circuits it serves return to normal operation without rewiring.
Hyundai Robex excavators use electronic control for both engine and hydraulics, so a damaged harness can affect power, response and fault reporting.
Maintenance Advice
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.
Installation Tips
- Disconnect the battery before starting work.
- Take photos and label connectors before removing the old harness.
- Inspect the mating connectors for corrosion and clean them if needed.
- Secure the new harness with the original clips and keep it away from heat and sharp edges.
- Test all related functions before refitting covers.
Built for Heavy-Duty Work
We check connector fit, wire continuity and overall layout before shipping, so the harness you receive is ready to install. The materials are chosen for the temperature range, vibration and contamination found on construction equipment.
The Cost of Waiting
An excavator sitting idle waiting for parts costs money every hour. Having the correct harness on hand means the repair becomes a scheduled job instead of an emergency, and the machine is back at work as soon as installation is finished.
Signs Your Harness Needs Replacing
Watch for these symptoms:
- Loose, corroded or damaged connectors
- Cracked, hardened or chafed insulation
- Signs of heat damage or melted sections
- Recurring fault codes linked to this circuit
When diagnostics point to a circuit fault rather than a failed component, replacing the wiring is often the most cost-effective repair.
Specs at a Glance
- Part Name: Wiring Harness
- Part Number: 21N8-10013, 21N810013
- Condition: Genuine new
- Product Weight: 1 kg / 2.20 lbs
- Brand: TOPARTS
- Feature: Quality checked before shipping; built for heavy-duty use
Compatible Models
Hyundai R290LC-7 Excavator
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.
