| Technical Feature / Attribute | Product Specification Details |
| Brand / Manufacturer | COGENG |
| Part Number (MPN) | 1-82641351-1 (Cross-ref: 1826413511, 1-82641351-0) |
| Product Category | Engine & Injector Control Wiring Harness Assembly |
| Engine Application | Isuzu 6HK1 / 6HK1T Tier 3 Diesel Engine |
| Primary Excavator Models | Hitachi ZX330-3, ZX350-3, ZAX330-3, ZAX350-3 |
| Cross-Brand Application | Sumitomo SH350-5, Sany SY235 |
| Condition | 100% Brand New, Direct OEM Spec Replacement |
| Wire Conductor Material | High-Conductivity Electrolytic Annealed Copper Wire |
| Insulation & Outer Armor | High-temp cross-linked PE (XLPE), flame-retardant corrugated split loom, nylon braiding |
| Connector Type | Heavy-duty, IP67/IP68 dustproof & waterproof sealed connectors |
| Operating Temperature | -40°C to +125°C (-40°F to +257°F) |
| Quality Control & Testing | 100% Automated Continuity, Resistance, and Thermal Burn-in Bench Tested |
The COGENG 1-82641351-1 Wiring Harness is a high-grade engine wiring assembly specifically engineered for Hitachi ZX330-3 and ZX350-3 excavators powered by the Isuzu 6HK1 / 6HK1T diesel engine.
Operating near the engine block exposes wiring to extreme ambient heat, continuous high-frequency vibration, and aggressive engine fluids like diesel, oil, and coolant. Over time, original factory wiring can suffer from thermal degradation, cracked insulation, wire fatigue, and corroded connectors. These failures lead to common engine issues such as fuel injector misfires, fault codes, loss of engine power, or complete failure to start.
The COGENG 1-82641351-1 is manufactured to exact OEM specifications to deliver a seamless, plug-and-play replacement.
Fuel Injector Common Rail Harness Trunk: High-temperature multi-pin lead assembly connecting the ECU directly to the 6HK1 common rail electronic fuel injectors.
Engine Control Unit (ECU) Interface Plugs: Multi-pin, heavy-duty OEM connectors engineered to lock securely into the engine controller port.
Sensor Leads & Plugs:
Camshaft & Crankshaft Position Sensor Plugs
Common Rail Fuel Pressure Transducer Connector
Coolant Temperature Sender Connector
Boost Pressure / Intake Air Temperature Sensor Leads
Engine Oil Pressure Switch Leads
Actuator Branch Connections: Leads for the Suction Control Valve (SCV) on the fuel injection pump and turbocharger control solenoid.
Protective Sleeving Assembly: High-density corrugated split loom wrapped with heat-resistant textile tape and nylon braid at critical flex points.
Mounting Brackets & Rubber Grommets: Pre-installed factory-positioned clips and firewall rubber pass-through grommets to prevent wire chafing against metal frames.
========================================================================================
COGENG 1-82641351-1 ENGINE WIRING HARNESS SCHEMATIC
========================================================================================
[ Main ECU Interface Plugs ]
|
(Main Engine Trunk)
|
+-------------------------------+-------------------------------+
| | |
[ Fuel Injection Harness ] [ Engine Sensor Network ] [ Actuator & Power Leads ]
| | |
- Injector 1 Plug - Camshaft Position - Suction Control Valve (SCV)
- Injector 2 Plug - Crankshaft Position - Alternator Charging Terminal
- Injector 3 Plug - Rail Pressure Transducer - Starter Relay Trigger
- Injector 4 Plug - Coolant Temp Sender - Main Chassis Earth Ground
- Injector 5 Plug - Boost / Intake Pressure
- Injector 6 Plug - Oil Pressure Switch
Hitachi ZX330-3 / ZAX330-3
Hitachi ZX350-3 / ZAX350-3
Hitachi ZX330-3G / ZX350-3G Series
Sumitomo SH350-5
Sany SY235 (Equipped with Isuzu 6HK1 engine)
Engine Model Verification: Ensure your machine is powered by the Isuzu 6HK1 or 6HK1T diesel engine. This harness is specifically designed for the Tier 3 electronic common rail engine layout used in -3 series Hitachi machinery.
Part Number Cross-Reference: Always verify that your existing engine harness part number matches 1-82641351-1, 1826413511, or 1-82641351-0 prior to installation.
Clean Installation Area: Prior to connecting new injector or ECU plugs, ensure the harness channels around the engine head are free from diesel fuel residue and metal debris to prevent premature connector seal damage.
+---------------------------------------------------------------------------------------+
| INSTALLATION WORKFLOW STEPS |
+---------------------------------------------------------------------------------------+
| [STEP 1: DISCONNECT POWER] ---> Turn off key switch and disconnect main negative |
| battery cable to clear power from the ECU. |
+---------------------------------------------------------------------------------------+
| [STEP 2: ACCESS ENGINE BAY] ---> Remove top engine covers and harness clips to |
| expose the original Isuzu 6HK1 engine harness. |
+---------------------------------------------------------------------------------------+
| [STEP 3: UNPLUG & REMOVE] ---> Unclip all injector connectors, sensor plugs, and |
| the ECU interface; gently extract old wire harness.|
+---------------------------------------------------------------------------------------+
| [STEP 4: ROUTE NEW HARNESS] ---> Lay COGENG 1-82641351-1 along the factory path, |
| ensuring rubber grommets fit snugly in brackets. |
+---------------------------------------------------------------------------------------+
| [STEP 5: SECURE CONNECTORS] ---> Plug in injectors, sensors, and ECU connectors |
| firmly until locking clips snap into place. |
+---------------------------------------------------------------------------------------+
| [STEP 6: SYSTEM TEST] ---> Reconnect battery, turn ignition to ON, check for |
| fault codes, and perform an engine start test. |
+---------------------------------------------------------------------------------------+
| Detail | Description |
| Shipping Methods | By Air, By Sea, By Express (FedEx, UPS, DHL, TNT, etc.). The specific arrangement will be based on the cargo situation and destination. |
| Estimated Delivery Time | Based on the shipping time of the logistics company. The arrival time shown by the carrier's tracking system shall prevail. |
| Packing | Inner: PP bag. Outer: Export-grade carton box with protective foam. |
| Payment Terms | Western Union, L/C (Letter of Credit), T/T (Telegraphic Transfer), MoneyGram, D/A (Documents against Acceptance), D/P (Documents against Payment) |
| Policy Point | Terms |
| Merchant Return Policy | Products shipped are not returnable or exchangeable. |
| Quality Guarantee | Every board and harness is function-tested and burned-in before shipment to ensure it is not Dead on Arrival (DOA). |
| Pre-Shipment Confirmation | Photos and testing videos can be provided upon request before shipment to confirm correct part numbers and operational condition. |
Q1: Will this wiring harness fit my Hitachi ZX330-3 excavator?
A: Yes, the COGENG 1-82641351-1 is specifically designed for Hitachi ZX330-3 and ZX350-3 excavators equipped with the Isuzu 6HK1 engine.
Q2: Does this harness include the fuel injector connector plugs?
A: Yes, this engine wire assembly includes all pre-terminated fuel injector leads and plugs matching the 6HK1 engine layout.
Q3: Can I request photos or videos of the harness before it is shipped?
A: Yes! Upon request, we can provide pre-shipment photos and testing verification videos to confirm part numbers and connector layouts before dispatch.
| Technical Feature / Attribute | Product Specification Details |
| Brand / Manufacturer | COGENG |
| Part Number (MPN) | 1-82641351-1 (Cross-ref: 1826413511, 1-82641351-0) |
| Product Category | Engine & Injector Control Wiring Harness Assembly |
| Engine Application | Isuzu 6HK1 / 6HK1T Tier 3 Diesel Engine |
| Primary Excavator Models | Hitachi ZX330-3, ZX350-3, ZAX330-3, ZAX350-3 |
| Cross-Brand Application | Sumitomo SH350-5, Sany SY235 |
| Condition | 100% Brand New, Direct OEM Spec Replacement |
| Wire Conductor Material | High-Conductivity Electrolytic Annealed Copper Wire |
| Insulation & Outer Armor | High-temp cross-linked PE (XLPE), flame-retardant corrugated split loom, nylon braiding |
| Connector Type | Heavy-duty, IP67/IP68 dustproof & waterproof sealed connectors |
| Operating Temperature | -40°C to +125°C (-40°F to +257°F) |
| Quality Control & Testing | 100% Automated Continuity, Resistance, and Thermal Burn-in Bench Tested |
The COGENG 1-82641351-1 Wiring Harness is a high-grade engine wiring assembly specifically engineered for Hitachi ZX330-3 and ZX350-3 excavators powered by the Isuzu 6HK1 / 6HK1T diesel engine.
Operating near the engine block exposes wiring to extreme ambient heat, continuous high-frequency vibration, and aggressive engine fluids like diesel, oil, and coolant. Over time, original factory wiring can suffer from thermal degradation, cracked insulation, wire fatigue, and corroded connectors. These failures lead to common engine issues such as fuel injector misfires, fault codes, loss of engine power, or complete failure to start.
The COGENG 1-82641351-1 is manufactured to exact OEM specifications to deliver a seamless, plug-and-play replacement.
Fuel Injector Common Rail Harness Trunk: High-temperature multi-pin lead assembly connecting the ECU directly to the 6HK1 common rail electronic fuel injectors.
Engine Control Unit (ECU) Interface Plugs: Multi-pin, heavy-duty OEM connectors engineered to lock securely into the engine controller port.
Sensor Leads & Plugs:
Camshaft & Crankshaft Position Sensor Plugs
Common Rail Fuel Pressure Transducer Connector
Coolant Temperature Sender Connector
Boost Pressure / Intake Air Temperature Sensor Leads
Engine Oil Pressure Switch Leads
Actuator Branch Connections: Leads for the Suction Control Valve (SCV) on the fuel injection pump and turbocharger control solenoid.
Protective Sleeving Assembly: High-density corrugated split loom wrapped with heat-resistant textile tape and nylon braid at critical flex points.
Mounting Brackets & Rubber Grommets: Pre-installed factory-positioned clips and firewall rubber pass-through grommets to prevent wire chafing against metal frames.
========================================================================================
COGENG 1-82641351-1 ENGINE WIRING HARNESS SCHEMATIC
========================================================================================
[ Main ECU Interface Plugs ]
|
(Main Engine Trunk)
|
+-------------------------------+-------------------------------+
| | |
[ Fuel Injection Harness ] [ Engine Sensor Network ] [ Actuator & Power Leads ]
| | |
- Injector 1 Plug - Camshaft Position - Suction Control Valve (SCV)
- Injector 2 Plug - Crankshaft Position - Alternator Charging Terminal
- Injector 3 Plug - Rail Pressure Transducer - Starter Relay Trigger
- Injector 4 Plug - Coolant Temp Sender - Main Chassis Earth Ground
- Injector 5 Plug - Boost / Intake Pressure
- Injector 6 Plug - Oil Pressure Switch
Hitachi ZX330-3 / ZAX330-3
Hitachi ZX350-3 / ZAX350-3
Hitachi ZX330-3G / ZX350-3G Series
Sumitomo SH350-5
Sany SY235 (Equipped with Isuzu 6HK1 engine)
Engine Model Verification: Ensure your machine is powered by the Isuzu 6HK1 or 6HK1T diesel engine. This harness is specifically designed for the Tier 3 electronic common rail engine layout used in -3 series Hitachi machinery.
Part Number Cross-Reference: Always verify that your existing engine harness part number matches 1-82641351-1, 1826413511, or 1-82641351-0 prior to installation.
Clean Installation Area: Prior to connecting new injector or ECU plugs, ensure the harness channels around the engine head are free from diesel fuel residue and metal debris to prevent premature connector seal damage.
+---------------------------------------------------------------------------------------+
| INSTALLATION WORKFLOW STEPS |
+---------------------------------------------------------------------------------------+
| [STEP 1: DISCONNECT POWER] ---> Turn off key switch and disconnect main negative |
| battery cable to clear power from the ECU. |
+---------------------------------------------------------------------------------------+
| [STEP 2: ACCESS ENGINE BAY] ---> Remove top engine covers and harness clips to |
| expose the original Isuzu 6HK1 engine harness. |
+---------------------------------------------------------------------------------------+
| [STEP 3: UNPLUG & REMOVE] ---> Unclip all injector connectors, sensor plugs, and |
| the ECU interface; gently extract old wire harness.|
+---------------------------------------------------------------------------------------+
| [STEP 4: ROUTE NEW HARNESS] ---> Lay COGENG 1-82641351-1 along the factory path, |
| ensuring rubber grommets fit snugly in brackets. |
+---------------------------------------------------------------------------------------+
| [STEP 5: SECURE CONNECTORS] ---> Plug in injectors, sensors, and ECU connectors |
| firmly until locking clips snap into place. |
+---------------------------------------------------------------------------------------+
| [STEP 6: SYSTEM TEST] ---> Reconnect battery, turn ignition to ON, check for |
| fault codes, and perform an engine start test. |
+---------------------------------------------------------------------------------------+
| Detail | Description |
| Shipping Methods | By Air, By Sea, By Express (FedEx, UPS, DHL, TNT, etc.). The specific arrangement will be based on the cargo situation and destination. |
| Estimated Delivery Time | Based on the shipping time of the logistics company. The arrival time shown by the carrier's tracking system shall prevail. |
| Packing | Inner: PP bag. Outer: Export-grade carton box with protective foam. |
| Payment Terms | Western Union, L/C (Letter of Credit), T/T (Telegraphic Transfer), MoneyGram, D/A (Documents against Acceptance), D/P (Documents against Payment) |
| Policy Point | Terms |
| Merchant Return Policy | Products shipped are not returnable or exchangeable. |
| Quality Guarantee | Every board and harness is function-tested and burned-in before shipment to ensure it is not Dead on Arrival (DOA). |
| Pre-Shipment Confirmation | Photos and testing videos can be provided upon request before shipment to confirm correct part numbers and operational condition. |
Q1: Will this wiring harness fit my Hitachi ZX330-3 excavator?
A: Yes, the COGENG 1-82641351-1 is specifically designed for Hitachi ZX330-3 and ZX350-3 excavators equipped with the Isuzu 6HK1 engine.
Q2: Does this harness include the fuel injector connector plugs?
A: Yes, this engine wire assembly includes all pre-terminated fuel injector leads and plugs matching the 6HK1 engine layout.
Q3: Can I request photos or videos of the harness before it is shipped?
A: Yes! Upon request, we can provide pre-shipment photos and testing verification videos to confirm part numbers and connector layouts before dispatch.
*shipping Details Return Sales*
Sales price:
Please contact COGENG sales customer service for specific prices.
Shipping method:
The specific arrangement will be based on the cargo situation.
Estimated delivery time:
It is based on the shipping time of the logistics company, and the arrival time shown shall prevail.
Contact details are at the bottom.
MerchantReturnPolicy:
The products shipped are not returnable or exchangeable.
Contact COGENG
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