0003816 0004776 Hitachi Wiring Harness ZAXIS230LC ZAXIS230 ZAXIS240H
Product name: Hitachi Wiring Harness
Part No: 0003816 00047776
Model Number:For ZAXIS230LC ZAXIS230 ZAXIS240H ZAXIS270
Material:Lron+Rubber
Packing:PP bag inside, carton box outside
Payment Terms:Western Union, L/C, T/T, MoneyGram, D/A, D/P
MOQ:Acceptable trial order
Shipping Mode:By air, by sea, by express(Fedex, UPS, DHL, TNT, etc.)
Place of Origin:Guangdong, China
Brand name:COGENG
CertifiCATEEion:ISO9001
Supply :500PCS
| Category |
Specification |
| COGENG Kit Number |
CG-HIT-KIT-004 |
| OEM Part Numbers |
0003816 (Main Chassis Harness) 0004776 (Engine Harness) |
| Compatible Models |
Hitachi ZAXIS230, ZAXIS230LC, ZAXIS240 |
| Harness Types |
Main Chassis & Engine Harness |
| Wire Standard |
Oil & Abrasion Resistant TXL Grade |
| Connector Rating |
IP67 (Waterproof & Dustproof) |
| Key Applications |
Engine Management, Sensor Circuits, Control Systems |
| Quality Assurance |
100% Electrically Tested • 24-Month Warranty |
Decompose pictures

Product Overview: Electrical Reliability for Mid-Range ZAXIS
The electrical harnesses, especially those running externally, are the central nervous system of your Hitachi ZAXIS excavator. When the original wiring (such as 0003816 or 0004776) begins to suffer from heat fatigue, vibration wear, or environmental damage, the machine experiences critical electronic failures, leading to downtime.
COGENG offers these robust, high-quality replacement harnesses to restore the perfect electrical integrity of your mid-range Hitachi excavators, including popular models like the ZX230, ZX240, and ZX270.
Key Features and Benefits
1. Engineered for Extreme Conditions
Our replacement harnesses are constructed to significantly outlast the stock wiring in demanding environments.
Superior Insulation: Features high-temperature and abrasion-resistant sheathing to protect against engine heat, oil, dirt, and friction.
Vibration Resistance: Secure cable bundling and high-quality, durable connectors prevent signal disruption caused by heavy machine vibration.
2. Plug-and-Play Precision
The COGENG harnesses are designed to match the form and function of the original Hitachi OEM parts 0003816 and 0004776.
Exact OEM Specification: Manufactured to the precise length, connector configuration, and routing of the factory harness for specific model ranges.
Guaranteed Fitment: Ensures a simple, "plug-and-play" installation that minimizes installation time and eliminates the need for splicing or modifications.
3. Restored Electronic Performance
A flawless electrical pathway is essential for the smooth operation of your machine's electronic control unit (ECU).
Eliminate Fault Codes: Immediately resolves intermittent electrical faults that cause engine misfires, sensor errors, and performance derating.
Optimal Communication: Ensures clean, high-speed signal transfer to critical components like the engine sensors, solenoids, and hydraulic pump controllers, restoring your excavator's peak power and fuel efficiency.
Get Your Machine Back to Work
Don't let a compromised wiring harness cause expensive system damage or unnecessary downtime. Choose the COGENG 0003816 or 0004776 Wiring Harness equivalent to provide your Hitachi ZAXIS excavator with a reliable, durable electrical foundation.
Note: Please verify the correct part number (0003816 or 0004776) and its application with your specific Hitachi excavator model and serial number before ordering, as variants exist across the ZX230/240/270 series.
Parts list
| NO |
Number |
Name |
Qty |
| 00 |
0003816 |
HARNESS |
1 |
| 00 |
0004776 |
HARNESS |
1 |
| 00A |
4423418 |
FUSIBLE-LINK |
1 |
| 00B |
4315323 |
FUSIBLE-LINK |
1 |
| 01 |
]950010 |
NUT |
4 |
| 02 |
A590910 |
WASHER |
4 |
| 03 |
A590110 |
WASHER |
4 |
| 05 |
4257159 |
BRACKET |
1 |
| 06 |
4418301 |
BRACKET |
1 |
| 07 |
J010616 |
BOLT |
3 |
| 09 |
]010816 |
BOLT |
2 |
| 14 |
4055311 |
CLIP;BAND(L=140) |
7 |
| 15 |
4055312 |
CLIP;BAND(L=250) |
1 |
| 16 |
4452158 |
RELAY |
1 |
| 16 |
4279835 |
RELAY |
1 |
| 17 |
4449250 |
CLIP |
9 |
| 18 |
]011030 |
BOLT |
1 |
| 19 |
J011020 |
BOLT |
22 |
| 20 |
4190282 |
CLIP(18X2) |
5 |
| 21 |
4190261 |
CLIP(10) |
3 |
| 22 |
4190273 |
CLIP(18) |
6 |
| 23 |
4190263 |
CLIP(25) |
1 |
| 24 |
4190264 |
CLIP(35) |
5 |
| 25 |
4450494 |
CLIP(22) |
3 |
| 26 |
4190275 |
CLIP(14) |
1 |
Installation decomposition diagram

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...