20y-06-48313 20y-06-48314 Wire Harness for Komatsu PC200-8 PC220-8
Looking for part 20y-06-48313 20y-06-48314? This Wire Harness is made for Komatsu PC200-8, PC220-8, PC270-8 excavators and reproduces the original harness design, from wire lengths and branch points to the connector types on each end.
Specifications
- Part Name: Wire Harness
- Part Number: 20y-06-48313, 20y-06-48314, 20Y0648313, 20Y0648314
- Condition: Aftermarket new
- Product Weight: 13 kg / 28.66 lbs
- Brand: TOPARTS
- Feature: Original connector layout; plug-and-play installation
Applicable Models
Komatsu PC200-8, PC220-8, PC270-8
Its Role in the Machine
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.
Every wire in this harness has a job: delivering power, carrying a sensor signal or switching a component on and off. When the insulation hardens or terminals loosen, those jobs stop getting done reliably, and replacing the harness is the most direct fix.
Komatsu machines use monitor-based diagnostics, and a harness fault frequently appears as an error code that clears and returns. Replacing worn wiring is a common fix for these recurring codes.
Questions Buyers Often Ask
Is this a genuine or aftermarket part?
Please see the Condition line in the specifications above. Every part is checked for fit and continuity before shipping.
How do I know it will fit my machine?
Match the part number on your old harness, or send us your machine model and serial number and we will confirm before you order.
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.
How to Verify Compatibility
Model names are not always enough to confirm fitment, because manufacturers sometimes change harness designs within a model's production run. Check the part number on your existing harness, or send us your machine model and serial number, and we will check it for you.
What You Get with TOPARTS
The goal is simple: a harness that fits like the original and keeps working like it. Matching connectors, correct branch lengths and durable insulation mean stable performance and high reliability in daily heavy-duty use.
When to Replace It
Typical signs include:
- Recurring fault codes linked to this circuit
- Cracked, hardened or chafed insulation
- Signs of heat damage or melted sections
- Electrical functions working intermittently
- Loose, corroded or damaged connectors
If these symptoms persist after checking fuses, batteries and grounds, the wiring itself is the next thing to suspect.
Fitting Advice
- 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.
- Test all related functions before refitting covers.
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.

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