Caterpillar original Common Rail Injector 268-9577 328-2585 Replacement for OEM, Cross Reference 328-2586, 387-9430 for Caterpillar C7 C9 Engine 324D 325D 326D Excavator Parts original new injector

Built to strict OEM specifications for Caterpillar C7 engine platforms, the 268-9577 fuel injector is a high-precision diesel injection component designed for heavy-duty operating conditions. It is fully compatible with validated C7 and C7 ACERT engine variants, including industrial, generator set, and marine configurations, and serves as a reliable replacement part to preserve original engine performance for Caterpillar equipment. The new unit meets OEM standard quality requirements, making it suitable for professional maintenance and fleet operation scenarios.

Integrated into the engine’s electronic unit injection system, the injector delivers precisely timed, finely atomized fuel into combustion chambers, enabling optimized combustion efficiency, reduced fuel consumption, lower exhaust emissions, and stable power output under high loads. Every unit undergoes 100% factory testing including leak, flow, and pressure checks, with micron-level nozzle machining and dynamic flow balancing to ensure consistent reliability and extended service life.

It supports a wide range of applications across construction, mining, industrial, marine, and power generation sectors, fitting equipment such as CAT 320D and 323D excavators, wheel loaders, motor graders, and generator sets. Backed by a 12-month warranty and industrial export standard packaging, the injector requires compatibility verification via engine serial number and original part number before purchase to ensure proper fitment.