c-aterpillar Plunger Series (Part Number: 1P6400) Product Details

The c-aterpillar 1P6400 fuel injector plunger is a high-precision genuine OEM component, specifically engineered for c-aterpillar medium-duty diesel engines, serving as a core part of the fuel injection system. Unlike nozzles that control atomization, the plunger is responsible for precise fuel suction and compression, directly determining the fuel delivery volume, pressure stability, and synchronization of the injection system. Manufactured in ISO 9001:2015 and TS16949 certified facilities, it strictly adheres to c-aterpillar’s original engineering standards and undergoes multi-stage rigorous quality testing—from raw material screening (high-strength alloy steel) and precision CNC machining to heat treatment and final dimensional inspection. Crafted with ultra-high precision grinding technology, this plunger features a smooth surface finish and tight fitting tolerance, ensuring minimal friction, wear resistance, and long-term sealing performance. It effectively maintains stable fuel pressure during the injection cycle, reduces fuel leakage, and improves engine fuel economy and power output. Suitable for harsh operating environments such as construction, regional transportation, and light industrial power generation, it is a direct OEM replacement part with perfect fitment, easy installation, and backed by a 12-month limited warranty and global after-sales service, making it a reliable choice for c-aterpillar medium-duty equipment maintenance.

1. Core Technical Parameters (1P6400)

2. Compatible c-aterpillar Equipment & Applic-ation Scenarios

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