Cummins Injector QSK23 Series (Part Number: 3766446) Product Details

The Cummins 3766446 fuel injector is a high-performance OEM-grade common rail injector specifically developed for the Cummins QSK23 heavy-duty diesel engine, with full compatibility with QSK23 engine variants and QSK45 engines. It is widely applied in key fields such as mining trucks, oil field rigs, gas generators, construction machinery, marine propulsion systems and industrial generator sets[1]. As a reliable and durable replacement component, its core features include superior precision control, excellent high-pressure resistance, strong wear resistance, and perfect OEM interchangeability, allowing it to operate stably in harsh working environments with high temperature, heavy dust, intense vibration and long-term continuous operation. Produced in strict compliance with ISO 9001 quality management system and Cummins original manufacturing standards, this injector adopts high-quality alloy steel and advanced precision machining technology, combined with a precision electromagnetic control structure to ensure accurate fuel atomization, efficient combustion, reliable sealing performance and extended service life[2]. It supports direct bolt-on installation without any modific-ations to the engine or fuel system, effectively reducing maintenance time and operational costs. Each 3766446 injector undergoes 100% pre-delivery quality inspection, including high-pressure leakage testing, atomization performance verific-ation, electromagnetic response test and long-duration durability assessment, to ensure consistent and reliable operation in all working conditions. The verified OEM Cross-Reference Numbers for 3766446 are 3766446, 4326780, 4326781, 4928346, which are fully interchangeable with the original QSK23/QSK45 fuel system, ensuring hassle-free replacement and wide applicability[1]. The product is available in global stock with fast shipment, backed by a 6-12 month warranty and factory-direct supply, providing cost-effective and reliable support for the maintenance and operation of QSK23 series engines.

1. Core Technical Specific-ations (3766446)

2. Compatible Equipment & Applic-ation Advantages

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