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Cummins original 4326639 Diesel Fuel Injector Replacement for OEM Engine Parts Compatible with HSK78G 4921360 4088430 4902827 original new injector
| Brand Name: | CUMMINS |
| Model Number: | 4326639 |
| MOQ: | 1 |
| Price: | $443-$443 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Cummins diesel fuel injector replacement
,OEM engine parts fuel injector
,HSK78G compatible diesel injector
Cummins original 4326639 Diesel Fuel Injector Replacement for OEM Engine Parts Compatible with HSK78G 4921360 4088430 4902827 original new injector
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Fuel Type |
Diesel |
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Condition |
New / Remanufactured (ReCon supply options available) |
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Applicable Engine |
Cummins QSK-Series; public fitment data points most clearly to QSK78 / K78 / HSK78G applications (QSK78 CM2250 K104, QSK78 CM2350 K126, QSK78 CM500, HSK78G CM2358 K129G). QSK23 targeted for search demand — fitment must be verified by ESN, CPL, old injector number and official parts manual |
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Injector Type |
Heavy-duty industrial diesel injector assembly |
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Quality Standard |
Industrial-grade / original-type construction with optional test support |
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Packaging |
Export packaging |
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Fuel System |
Cummins High Pressure Injection HPI-PT full-authority electronic fuel system (high-pressure injection up to 29,000 psi on QSK23 G-Drive) |
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OE Number |
4326639 |
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Brand |
Cummins |
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Cross Number / Universal Number |
4088430, 4921360, 4954801, 4326639NX, 4326639PX, 4326639RX, 4088430NX, 4088430PX, 4088430RX, 4921360NX, 4921360PX, 4921360RX, 4954801NX, 4954801PX, 4954801RX |
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Vehicle / Equipment Application |
Generator sets, mining power modules, oilfield power units, industrial stationary engines, rail/intermodal power units, mining haulage equipment, construction machinery, marine auxiliary power, fleet spare-parts stock; QSK23 G-Drive rental, prime power, standby, crushing/mining, oil and gas, and dynamic/rotary UPS applications |
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Application Type |
Engine-fitment focused heavy-duty diesel fuel injection component |
Engineered for severe-duty operation, the 4326639 injector assembly serves as an industrial-grade fuel injection component for Cummins QSK-series diesel engines. Public fitment data points most clearly to QSK78 / K78 / HSK78G applications, including QSK78 CM2250 K104, QSK78 CM2350 K126, QSK78 CM500, and HSK78G CM2358 K129G. This product page also addresses QSK23 search demand; because the QSK23 is a 23 L inline 6-cylinder engine rated 760–950 hp / 567–708 kW on well-servicing duty and uses the Cummins HPI-PT full-authority electronic fuel system, QSK23 fitment must be confirmed by engine serial number, CPL, old injector number and the official parts manual before ordering.
Built for high-pressure compatibility up to 29,000 psi, the injector delivers precision fuel metering, fine atomization, heat resistance and sealing reliability across cylinder-balance and return-fuel control functions. Cross-reference support covers 4088430, 4921360, 4954801 and their NX/PX/RX variants, while remanufactured supply options, optional bench-test support and export packaging suit generator, mining, oilfield, rail, marine auxiliary and fleet stocking programs.
Correct installation requires part-number verification, clean work practices, replacement of all sealing parts, injector bore inspection and official Cummins torque values. After fitting, prime the fuel system, read ECM data, check for leakage, and test idle, smoke, acceleration and load response for reliable service.
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
