The c-aterpillar 3412A series fuel injector, part number 4P-9075 (also referred to as 4P9075), is a high-quality new and factory remanufactured dual-option common rail fuel injector specifically engineered for c-aterpillar 3412A series diesel engines, with excellent compatibility with 3412, 3508, 3508C, 3512, 3516, SR4, SR4B series engines and c-aterpillar heavy-duty construction, mining, marine, and generator equipment. Manufactured with a hardened steel body with an anti-corrosion coating, strictly tested 100% before shipment, and compliant with ISO 9001 related certific-ations, this injector adopts advanced direct-injection unit injector technology to achieve precise control over fuel injection quantity, timing, and atomization, ensuring optimal engine performance, efficient diesel combustion, and reliable power output. It is widely applied in a variety of heavy-duty equipment powered by 3412A and related series engines, including excavators, generator sets, mining trucks, and marine vessels, delivering stable power support, perfect fitment, and effectively reducing equipment downtime. As a cost-effective and reliable replacement option, it can interchange with alternative part numbers 7E3381, 9Y4543, and 0R3051, supports flexible order quantities (MOQ starting from 1 piece), offers a 6-12 month manufacturer warranty, provides fast delivery within 2-10 working days, with tiered pricing (1 piece at US$259-$1576.79, bulk orders with more favorable prices), and supports original, neutral, or customizable packaging (customization requires MOQ of 300 pieces), perfectly meeting the maintenance and procurement needs of global customers in the construction, mining, power generation, and marine industries.

1. Core Technical Specific-ations

2. Compatible Machines & Applic-ation Scenarios