A properly functioning injector wiring harness is essential for the performance of electronically controlled diesel engines. The 419-0841 injector wiring harness is engineered to restore reliable electrical connectivity, minimizing injector signal interruptions and supporting efficient combustion.
Manufactured from durable, heat-resistant materials, this wiring harness is designed to withstand vibration, moisture, oil exposure, and harsh operating conditions commonly encountered by excavators working on construction, mining, quarry, and earthmoving sites.
Key Features
- Direct replacement for Caterpillar OEM wiring harness
- OEM Part Number: 419-0841
- Cross Reference Part Number: 215-3249
- Designed specifically for CAT C9 diesel engines
- Stable electrical connection between ECM and injectors
- Heavy-duty insulation for long service life
- Heat, vibration, oil, and abrasion resistant
- Factory-style connectors for quick installation
- Reduces electrical faults and injector communication errors
- Built for demanding heavy equipment applications
Benefits
Reliable Fuel Injector Communication
Ensures consistent electrical signals between the engine control module and fuel injectors for smooth engine operation.
Restores Engine Performance
Helps eliminate issues caused by damaged or worn injector harnesses, including rough running, injector faults, and intermittent electrical problems.
Durable Construction
Manufactured with premium wiring, protective insulation, and high-quality connectors designed for harsh job site conditions.
Easy Direct Replacement
Designed to match OEM specifications, allowing straightforward installation without modification.
Reduced Equipment Downtime
Replacing a damaged injector harness helps improve machine reliability and reduces costly interruptions during operation.
Applications
This injector wiring harness is suitable for Caterpillar equipment equipped with the CAT C9 engine, including:
- Caterpillar 330D Excavator
- Caterpillar 336D Excavator
- Other compatible Caterpillar machines using the C9 engine (verify part number before ordering)
Specifications
| Specification | Details |
| Product Name | Injector Wiring Harness |
| OEM Part Number | 419-0841 |
| Cross Reference | 215-3249 |
| Engine Compatibility | Caterpillar C9 Diesel Engine |
| Machine Compatibility | CAT 330D, 336D Excavators |
| Product Type | Engine Injector Wiring Harness |
| Installation | Direct OEM Replacement |
| Connector Type | OEM Style Connectors |
| Material | Heat-Resistant Automotive Wiring |
| Resistance | Oil, Heat, Vibration, Moisture |
| Condition | Brand New & Original |
Why Choose This 419-0841 Injector Wiring Harness?
Choosing the correct injector wiring harness is critical for maintaining engine efficiency and reducing electrical faults.Â
This harness is manufactured to meet OEM fitment standards, providing dependable electrical performance while maintaining compatibility with CAT C9 electronic fuel injection systems.
It is an ideal replacement for worn, cracked, or damaged harnesses that may cause injector communication issues or engine performance problems.
Common Use Cases
This injector harness is commonly used for:
- Excavator engine repairs
- Preventive maintenance
- Injector wiring replacement
- Engine rebuild projects
- Electrical system restoration
- Heavy equipment fleet maintenance
- Construction equipment servicing
- Mining equipment repairs
Package Includes
- 1 × Caterpillar 419-0841 Injector Wiring Harness
- Secure protective packaging
Frequently Asked Questions
What is the Caterpillar 419-0841 injector wiring harness used for?
The 419-0841 injector wiring harness connects the engine control module (ECM) to the fuel injectors, ensuring accurate electrical signal transmission for proper fuel injection and engine operation.
Is 215-3249 the same as 419-0841?
Yes. 215-3249 is commonly used as a cross-reference for 419-0841. Always verify your machine’s serial number or existing part number before ordering.
Which Caterpillar excavators is this harness compatible with?
It is designed for Caterpillar 330D and 336D excavators equipped with the CAT C9 engine. Compatibility with other C9-powered machines should be confirmed using the OEM part number.
Does this harness require any modifications during installation?
No. It is designed as a direct replacement using OEM-style connectors, allowing installation without modifications when matched to the correct machine.
What symptoms indicate a faulty injector wiring harness?
Common symptoms include injector fault codes, engine misfires, rough idle, poor engine performance, intermittent power loss, hard starting, and communication errors between the ECM and injectors.
Is this suitable for heavy-duty operating environments?
Yes. The wiring harness is built using durable, heat-resistant, oil-resistant, and vibration-resistant materials suitable for demanding construction, mining, and earthmoving applications.
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