The 387-9434 hydraulic injector is a critical fuel system component for Caterpillar C9 diesel engines. Designed for high-precision fuel injection, it is widely used in construction machinery such as the 330D and 336D excavators and the D6R and D7R bulldozers.
This injector precisely controls fuel injection quantity and timing for efficient combustion, improving engine power output and fuel economy while reducing emissions. Manufactured using high-strength metal and advanced processing techniques, it is wear-resistant, heat-resistant, and stable in high-pressure environments, ensuring long-term, reliable operation.
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