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21N8-10150 Wiring Harness HCE for Hyundai Excavator R290LC-7
Looking for part 21N8-10150? This Wiring Harness is made for Hyundai R290LC-7, R110-7, R140LC-7, R140LC-7A, R140W7 excavators and reproduces the original harness design, from wire lengths and branch points to the connector types on each end.
Specs at a Glance
- Part Name: Wiring Harness
- Part Number: 21N8-10150, 21N810150
- Condition: Genuine new
- Product Weight: 0.1 kg / 0.22 lbs
- Brand: TOPARTS
- Feature: Matches original routing and length; durable, heat-resistant insulation
Fits the Following Machines
Hyundai Excavator R290LC-7 R110-7 R140LC-7 R140LC-7A R140W7
Why This Harness Matters
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.
This harness carries power and control signals between the components it connects on the excavator, keeping the related circuits running reliably under everyday working conditions.
Hyundai machines are widely used in rental and contractor fleets, where quick harness replacement keeps utilisation high.
Made to Last on the Job Site
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.
Reducing Downtime
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.
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.
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.
Warning Signs to Watch For
You may notice:
- Recurring fault codes linked to this circuit
- Loose, corroded or damaged connectors
- Electrical functions working intermittently
- Cracked, hardened or chafed insulation
- Signs of heat damage or melted sections
When diagnostics point to a circuit fault rather than a failed component, replacing the wiring is often the most cost-effective repair.
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.
