c-ummins Injector QSK15 Series (Part Number: 1521977) Product Details

The c-ummins 1521977 fuel injector is a high-performance OEM-equivalent replacement component exclusively engineered for the c-ummins QSK15 15L heavy-duty diesel engine series, with full compatibility with QSX15, ISX15 diesel engines and Scania equipment powered by these engine models. It stands out with its superior wear resistance, high-pressure stability, efficient fuel atomization, and strict compliance with global quality certifications, making it an ideal choice for harsh working environments such as construction sites, mining areas, industrial plants, and heavy-duty transport scenarios. As a premium common rail fuel injector assembly, it adopts high-speed steel material—selected for its exceptional strength and durability—and advanced precision machining technology, featuring a hardened anti-wear nozzle and optimized electromagnetic control system, all core components that adhere to c-ummins’ global technical specifications and strict production standards to ensure long-term reliable operation. The 1521977 injector delivers ultra-fine fuel atomization, promoting complete combustion, effectively reducing fuel consumption and harmful emissions to meet EPA Tier 4, Euro VI and ISO 9001/TS 16949 certification requirements. With an OEM-standard size (25.8cm*12.2cm*5.6cm) and a gross weight of 1.55KG, it enables seamless bolt-on installation without additional modifications, while its enhanced anti-corrosion, anti-carbon-deposit, and anti-vibration structures further improve adaptability to extreme working conditions. Backed by a 12-month quality warranty, in-stock availability, and 5-10 days of global delivery, this injector provides cost-effective and reliable support for maintaining the optimal operation of QSK15-powered equipment and Scania trucks. Based on industry supply chain data and product compatibility verification, the OEM Cross-Reference Numbers for 1521977 include 5258809, 4954912, 1764366, 4088667, 5634703, which are fully interchangeable with the original QSK15/QSX15/ISX15 fuel system and Scania compatible models, ensuring perfect fit and hassle-free replacement. Its precise electromagnetic control design ensures stable fuel supply, allowing the engine to maintain an optimal air-fuel ratio in any working state, ensuring smooth operation and compliance with environmental regulations[2][4].

1. Core Technical Specifications (1521977)

2. Compatible Equipment & Application Scenarios

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