The BOSCH 1 462 C00 985 is a high-quality fuel quantity regulator valve specifically engineered for modern Common-Rail diesel injection systems. Its primary function is to precisely control the amount of fuel entering the injection pump, ensuring the correct pressure and volume are maintained for efficient combustion. Proper functioning of this valve is critical for maintaining engine performance, fuel economy, and emissions standards. A faulty regulator can lead to issues such as rough idling, loss of power, increased fuel consumption, and difficulty starting. Crafted with BOSCH's renowned engineering expertise, this valve is built to withstand the demanding conditions within a fuel system, offering durability and reliable operation. It is a direct replacement part designed to meet or exceed original equipment specifications.