Cummins Injector QSK23 Series (Part Number: 4326779) Product Details

The Cummins 4326779 fuel injector is a high-performance OEM-grade common rail component exclusively engineered for the Cummins QSK23 heavy-duty diesel engine, a core power unit widely applied in large-scale industrial, mining, and heavy machinery fields[superscript:2]. Integrating advanced common rail injection technology and strict Cummins OEM manufacturing standards, this injector delivers exceptional reliability, precise fuel control, and superior operational efficiency, making it ideal for harsh working environments where stability and durability are critical. As a key component of the engine’s fuel supply system, it consists of a precision-machined common rail nozzle, high-sensitivity solenoid control valve, and robust hydraulic connections, ensuring accurate fuel metering, complete combustion, and stable power output—effectively reducing fuel consumption and minimizing harmful emissions to meet international environmental standards. Crafted from high-strength heat-resistant alloy material and processed by advanced precision CNC machining, the 4326779 injector features a compact and durable structure with dimensions of 14.3cm*6.2cm*33.8cm and a gross weight of 1.88KG, capable of withstanding extreme working pressures up to 2800 bar and adapting to harsh operating environments such as oil fields, mining sites, construction zones, and industrial power generation facilities[superscript:2]. It boasts seamless compatibility with the original QSK23 engine fuel system, featuring a direct bolt-on installation design that requires no wiring or pipeline adjustments, significantly shortening maintenance time and reducing operational costs. Manufactured in strict accordance with Cummins OEM standards and ISO 9001 quality certific-ation, each 4326779 injector undergoes rigorous pre-delivery testing, including pressure resistance, atomization performance, and durability checks, to ensure consistent and reliable operation[superscript:2]. The verified OEM Cross-Reference Numbers for 4326779 are 4326779, 4352396, 4088433, 4076535, 3766448, 4902829, ensuring wide interchangeability and convenient replacement for global users, with 4352396 as its direct synchronous replacement number. Brand-new, non-remanufactured, and free of core charges, it is available in global stock with fast international shipping, supported by a 6-month factory warranty, providing cost-effective and reliable support for the efficient operation and maintenance of QSK23 series engine-powered equipment[superscript:2].

1. Core Technical Specific-ations (4326779)

2. Compatible Equipment & Applic-ation Advantages

Why Choose Us:

1.High quality products with reasonable price, quick shipping.

2.We have our own professional forwarding agent: Fast delivery, serve good.

3.Our feedback: You always can get our feedback within 24 hours.

4.After sending, we will track the products for you once every two days, until you get the products

.PRODUCTS PICTURE: