| Specification Category |
Details |
| Compatible Machine Models |
Komatsu PC350LL-7E0, Komatsu PC300-8 |
| Compatible Engine Model |
SAA6D114E-3 |
| COGENG Part Number |
6745-81-9220 |
| OEM Part Number |
Replaces Komatsu 6745-81-9220 |
| Product Name |
Main Engine Wiring Harness Assembly |
| Application |
Central Harness for Engine ECM, Sensor Arrays, Control Solenoids, and Monitoring Systems |
| Wire Specifications |
High-Temperature, Oil-Resistant Insulation (XLPO/CPE); Tinned Copper Strands |
| Connector Type |
OEM-Specified, Sealed Connectors (IP67 Rating Equivalent) |
| Quality Assurance |
100% Continuity, Short-to-Ground, and Hi-Pot (Dielectric Strength) Tested |
| Warranty |
2,500-Hour Limited Warranty |
This engine control harness is specifically designed for the Komatsu PC300-8 excavator.
⚠️ Important: While the PC300-8, PC350-8, and PC360-8 share many components, engine harness configurations can differ. Always verify with your machine serial number before purchasing.
Product Specifications
Function – What Does This Harness Do?
The engine control harness (6745-81-9220) is the primary wiring assembly that connects the Engine Control Unit (ECU) to all engine-mounted sensors, actuators, and controllers.
Key Components Connected by This Harness:
Frequently Asked Questions
A. When will get the items after I place order?
Q. Once your payment is confirmed,we will arrange the goods within 1~4 days; if not in stock, we will inform you before placing the order?
A. If I only know the excavator model, but can not offer parts No.,what should I do ?
Q. If possible, you can send us pictures of old products, nameplate or the size for reference.
A. How can you guarantee the quality??
Q. We will 100% test the goods before delivery. We also support video inspection.
A. How long will it take to delivery to my address??
Q. The normal delivery time is 3-7 days, depending on which country you are in.?
A : Which delivery method will you choose?
Q : By sea, air or express(DHL,Fedex,TNT, UPS, EMS etc.)，Sometimes we will arrange as the customer's demand.
A: What's package? Can you give me the package according my requirement??
Q. We usually packed by standard exported box or carton. And yes we can pack as per your requirement.
A: Can the price be cheaper?
Q: Of course, you will be offered a good discount for a big amount.
A: Why should I choose to buy from you?
Q:Our advantages: 100% quality assurance, develop and manufature follow original ones;Quick response within 24 hours; Small order allowed;Reasonable stock and timely delivery;Neutral packing, customized packing are allowed. Positive customer feedback from abroad market;Excellent after-sales service.
A : Which payment terms can you accept?
Q : Paypal. Western Union, Bank Transfer, T/T...
