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6207-81-4351 Engine Harness for PC200-6 PC210-6 PC220-6 Excavator 6D95 Engine
When the original harness on your Komatsu PC200-6 PC210-6 has worn out, the 6207-81-4351 Engine Harness is a straightforward way to get the machine back to full function. It is made to the same layout as the original, with matching connectors at every branch.
It is used with the 6D95 engine and is matched to that engine's sensor and connector layout.
How It Works on Your Machine
The Engine Harness is the nerve center of the engine bay. It links the engine control module to the sensors, injectors and actuators that keep combustion on target, carrying every signal the ECM needs to read speed, temperature and pressure and respond in milliseconds.
Every start, every throttle change and every load the excavator takes on is managed through this harness. It routes power and data between the ECM and the engine-mounted components, so a single damaged wire here can show up as a problem anywhere in the engine's behaviour.
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.
Construction and Quality
Each harness is produced under strict quality control, with wire gauges, colours and connector types matched to the original specification. Terminals are crimped for secure contact, and the bundle is protected with sleeving where the original used it.
Extending Harness Life
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.
Check Fitment Before Ordering
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.
Tips for a Smooth Installation
- Label each connector on the old harness with masking tape before you unplug anything.
- Photograph the routing, clip positions and ground points from several angles.
- Clean and inspect the ECM connector pins; bent pins cause more faults than people expect.
- Keep the new harness clear of the exhaust manifold and turbocharger, and refit all heat shields.
Common Symptoms of a Failing Harness
Watch for these symptoms:
- Engine stalling, misfiring or running roughly at idle
- Gauges for engine temperature or oil pressure reading erratically
- Sudden loss of power or the engine entering a derated mode
- Engine cranks but will not start, or starts only after several attempts
- Visible heat damage, cracked insulation or chafed wires near the engine block
Intermittent faults like these are classic signs of ageing wiring, and they rarely improve on their own.
Product Details
- Part Name: Engine Harness
- Part Number: 6207-81-4351, 6207814351
- Engine: 6D95
- Condition: Aftermarket new
- Product Weight: 1 kg / 2.20 lbs
- Brand: TOPARTS
- Feature: Matches original routing and length; durable, heat-resistant insulation
Application
Komatsu PC200-6 PC210-6 PC220-6 PC250-6, etc
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.
