Cummins Injector QSK23 Series (Part Number: 4326639) Product Details

The Cummins 4326639 fuel injector is a high-performance OEM-grade common rail component exclusively engineered for the Cummins QSK23 heavy-duty diesel engine, integrating advanced common rail injection technology to deliver exceptional reliability and operational efficiency in demanding industrial scenarios. As a core part of the engine’s fuel supply system, it consists of a precision-machined nozzle, high-sensitivity solenoid control valve, and robust hydraulic connections, ensuring accurate fuel metering, full combustion, and stable power output, while effectively reducing fuel consumption and harmful emissions. Made of high-strength heat-resistant alloy material and processed by precision CNC machining, this injector features a compact structure with dimensions of 14cm*6cm*33cm and a gross weight of 1.823KG, capable of withstanding extreme working pressures up to 2800 bar and adapting to harsh operating environments such as oil fields, mining, construction, and industrial power generation[superscript:2]. It features seamless compatibility with the original QSK23 engine fuel system, with a direct bolt-on installation design that requires no wiring or pipeline adjustments, greatly shortening maintenance time and reducing operational costs. Manufactured in strict accordance with Cummins OEM standards and ISO 9001 quality certific-ation, each 4326639 injector undergoes comprehensive pre-delivery testing to ensure consistent and reliable operation. The verified OEM Cross-Reference Numbers for 4326639 are 4326639, 4352394, 4088431, 4076533, 3766446, 4902827, ensuring wide interchangeability and convenient replacement for global users, with 4352394 as its direct synchronous replacement number. Brand-new, non-remanufactured, no core charge, and available in global stock with fast international shipping, it provides cost-effective and reliable support for the efficient operation and maintenance of QSK23 series engine-powered equipment[superscript:2].

1. Core Technical Specific-ations (4326639)

2. Compatible Equipment & Applic-ation Advantages

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