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original 387-9431 Excavator Fuel Injector C7 C9 3406e Diesel Engine Parts Common Rail Injection 3879431 3879432 new injector original new original new injector
| Model Number: | 387-9431 |
| MOQ: | 1 Piece |
| Price: | $299-$456 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union, Paypal, RMB |
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original 387-9431 Excavator Fuel Injector C7 C9 3406e Diesel Engine Parts Common Rail Injection 3879431 3879432 new injector original new original new injector
Fuel Type | Diesel |
Condition | New |
Applicable Engine | C9, C9 Industrial Engine, C9 Generator Engine, C9 Marine Engine, C9 Construction Equipment Engine, C9 ACERT (Serial Number Verification Recommended) |
Injector Type | Common Rail Fuel Injector Assembly |
Quality Standard | OEM Equivalent |
Packaging | Not specified |
Fuel System | High-Pressure Common Rail Diesel Fuel Injection System |
OE Number | 387-9431 |
Brand | |
Cross Number / Universal Number | 3879431 |
Vehicle / Equipment Application | Hydraulic Excavators, Wheel Loaders, Generator Sets, Industrial Power Units, Marine Engines, Mining Equipment, Road Construction Equipment, Heavy Duty Diesel Power Systems |
Application Type | Cylinder Head Fuel Injection System, Industrial, Construction, Mining, Marine, Power Generation |
Engineered specifically for the C9 platform, the 387-9431 fuel injector delivers precise fuel metering and stable high-pressure injection across demanding industrial environments. This OEM equivalent injector is designed to match the factory tolerances of the C9 industrial, generator, marine, and construction equipment engines, ensuring direct-fit compatibility and consistent combustion performance. The unit is manufactured under strict quality standards with corrosion-resistant materials, providing extended service life under continuous heavy-duty operation.
Common failure indicators such as increased fuel consumption, black exhaust smoke, hard starting, rough idle, reduced engine power, and engine misfire are typically associated with worn or contaminated injectors on the C9 engine. The 387-9431 replacement injector restores optimized combustion efficiency and stable engine output, helping reduce fuel consumption potential and supporting reliable performance in excavators, wheel loaders, generator sets, mining equipment, and marine power applications. Cross reference verification by engine serial number is recommended.
Proper installation and maintenance are essential for long-term injector reliability. Use high-quality clean diesel fuel, replace fuel filters on a regular schedule, and prevent water contamination within the fuel system. Install the injector using OEM service procedures, replace all sealing components during installation, verify fuel pressure after assembly, and conduct post-installation engine diagnostic testing. Following maintenance intervals and addressing ECM fault codes promptly will help maintain stable engine performance and maximize the operational life of the 387-9431 fuel injector.
Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province Tel:+86 020 88557755
Cellphone:+86 19959162250 WhatsApp:+86 19959162250
Email:2209396088@qq.com
