This Bohang Jet Valve is a new common rail diesel injector designed to deliver precise fuel metering and optimal spray patterns for enhanced engine performance. Manufactured from high-speed steel, it ensures durability and reliable operation under demanding conditions. The part number 0445110491 indicates its specific application for select car and truck engines requiring this exact replacement. Proper installation is crucial for achieving the intended efficiency and power output. This injector is engineered to meet original equipment standards, aiming to restore smooth engine idling, improve throttle response, and support complete fuel combustion. It is a key component for maintaining the performance of modern common rail diesel systems. Ensure this part number matches your vehicle's requirements before purchase to guarantee correct fit and function. This product is sold as a single unit and is intended for professional installation or by individuals with appropriate technical expertise.