Cummins Injector QSK23 Series (Part Number: 4088431) Product Details

The Cummins 4088431 fuel injector is a premium OEM-grade common rail component specifically engineered for the Cummins QSK23 heavy-duty diesel engine, widely applied in machinery, generator sets, trucks, marine vessels and other heavy-duty equipment. As a core part of the engine’s fuel supply system, it integrates high-sensitivity solenoid control and precision atomization technology, ensuring accurate fuel metering, full combustion, and stable power output, while effectively reducing fuel consumption and harmful emissions. Made of high-quality stainless steel and high-strength heat-resistant alloys—key materials for Cummins diesel injectors that offer excellent corrosion resistance and high-temperature tolerance—this injector can withstand extreme working pressures up to 2800 bar and adapt to harsh operating environments such as mining, construction, oil fields, and port terminals. 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 4088431 injector undergoes comprehensive pre-delivery testing, including performance, leakage, and durability inspections, to ensure consistent and reliable operation. The verified OEM Cross-Reference Numbers for 4088431 are 4088431, 4076533, 4902827, 4062090, 4077076, 3766446, ensuring wide interchangeability and convenient replacement for global users. Brand-new, in global stock with fast international shipping (2-7 days after payment) and a 3-6 month comprehensive warranty, it provides cost-effective and reliable support for the efficient operation and maintenance of QSK23 series engine-powered equipment[3].

1. Core Technical Specific-ations (4088431)

2. Compatible Equipment & Applic-ation Advantages

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