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original 557-7633 C9 Engine Fuel Injector 557-7627 557-7637 293-4072 267-3360 for E336D Excavator new injector original new injector
| Model Number: | 557-7633 |
| MOQ: | 1 Piece |
| Price: | $299-$456 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union, Paypal, RMB |
original C9 engine fuel injector
,557-7633 fuel injector for E336D excavator
,diesel fuel injector with warranty
original 557-7633 C9 Engine Fuel Injector 557-7627 557-7637 293-4072 267-3360 for E336D Excavator new injector original new injector
Fuel Type | Diesel |
Condition | New / OEM Replacement |
Applicable Engine | C9 engine platform |
Injector Type | HEUI (Hydraulic Electronic Unit Injection) |
Quality Standard | OEM-level engineering standards, manufactured with high-strength alloy steel components, precision-ground needle valves, and advanced nozzle technology |
Packaging | Standard export packaging |
Fuel System | HEUI fuel delivery system; uses engine oil pressure, electronic ECM control, high-pressure fuel delivery, and precision nozzle atomization |
OE Number | 557-7633 |
Brand | |
Cross Number / Universal Number | 10R-7221, 20R-8968, 20R-8064, 387-9434, 293-4071, 328-2573, 267-9734 |
Vehicle / Equipment Application | Excavators (330D, 330DL, 330D LN, 336D, 336DL, 336D2, 340D, 340DL), Wheel Loaders (950H, 966H, 972H), Industrial Power Units, Compressor Packages, Water Pump Units, Generator Sets, Mining Equipment, Oilfield Equipment, Marine Auxiliary Systems |
Application Type | Engine-specific replacement injector for C9 diesel platform |
The C9 fuel injector 557-7633 is a direct OEM replacement component engineered specifically for the C9 engine platform, delivering reliable fuel delivery through HEUI (Hydraulic Electronic Unit Injection) technology. The injector converts hydraulic pressure from engine oil into high-pressure fuel injection, using electronic ECM control and precision nozzle atomization to create multiple injection events per combustion cycle. This mechanism ensures precise fuel metering, improved combustion efficiency, and consistent performance under heavy load conditions.
Manufactured to OEM-level engineering standards, each injector body is machined using CNC-controlled equipment with micron-level tolerances. The assembly incorporates high-strength alloy steel components, precision-ground needle valves, advanced multi-hole nozzle technology, and electronic control compatibility. These features provide enhanced atomization, corrosion resistance, long service life in severe-duty mining and construction applications, and benefits including improved fuel economy, lower emissions, reduced combustion noise, higher power output, and better cold-start performance.
The injector is designed for broad compatibility across C9-powered equipment, including excavators (330D, 336D, 340D series), wheel loaders (950H, 966H, 972H), and various industrial systems such as generator sets, compressor packages, water pump units, mining equipment, oilfield equipment, and marine auxiliary systems. Authorized cross-reference numbers include 10R-7221, 20R-8968, 20R-8064, 387-9434, 293-4071, 328-2573, and 267-9734, ensuring reliable fitment for replacement and remanufactured applications.
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
