Caterpillar original Common Rail Diesel Fuel Injector 387-9436, Cross Reference 387-9431 387-9433, for Excavator C7 C9 3406e Engine, Replacement for OEM 387-9432 original new injector

Built for the demanding conditions of construction, mining, power generation, marine, and agricultural applications, the Caterpillar 387-9436 Fuel Injector is a precision-engineered diesel injection component designed for Caterpillar C9 engines, including C9 ACERT, industrial, generator set, and marine configurations. As a critical element of the high-pressure fuel delivery system, it converts pressurized diesel into finely atomized particles, ensuring accurate injection timing, complete combustion, improved fuel economy, reduced emissions, and consistent power output.

Manufactured to strict OEM specifications, the injector delivers OEM-equivalent quality with precision fuel metering, high pressure resistance, excellent corrosion protection, and long service life, helping equipment operators reduce maintenance costs and extend engine durability. The 387-9436 directly replaces 10R-7675 and 20R-8063 and cross-references 328-2585, 236-0962, 295-1408, and 263-8218, giving buyers flexible sourcing options. It is widely applied in Caterpillar excavators, wheel loaders, motor graders, generator sets, marine engines, industrial power units, and mining equipment powered by C9 engines.

Every unit is packed in export-standard cartons or wooden cases and covered by a 12-month warranty. For optimal performance, we advise professional installation following Caterpillar torque specifications, replacement of seals and washers, use of high-quality diesel fuel, and regular filter changes. With proven applications across North America, South America, Europe, the Middle East, Africa, Southeast Asia, and Australia, we offer reliable worldwide supply—contact our team for quotations, volume orders, and technical support.