Caterpillar 8N-1831 Nozzle Fuel Valve Assembly

The Caterpillar 8N-1831 Fuel Valve Nozzle is an OEM Cat component designed for the D353 engine family, bearing the part number 8N-1831. This fuel valve nozzle is a nozzle assembly that regulates the precise flow of fuel into the combustion chamber, enabling efficient and controlled combustion in Caterpillar diesel engines. It is listed as compatible with D353C, D353D, and D353E variants, serving as a direct replacement part in Cat fuel injection systems. As an OEM Cat part, 8N-1831 is manufactured to exact Cat tolerances to ensure compatibility with original injectors and engine timings, making it a suitable replacement during engine overhauls or maintenance on equipment powered by the D353 series. This nozzle is commonly used in Cat heavy equipment and industrial engines that rely on precise fuel metering for performance and efficiency.