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The c-aterpillar 20R-4147 fuel injector is a precision-engineered OEM-grade fuel injection component, specially developed for 3412 series diesel engines and fully compatible with matched heavy-duty engine setups. Manufactured in strict compliance with c-aterpillar’s original design criteria, precision tolerances and quality control benchmarks, this injector adopts high-strength wear-resistant internal parts, optimized spray structure and stable high-pressure fuel delivery performance. It is specially built to endure harsh, long-hour heavy-duty operating scenarios, covering large construction machinery, stationary generator sets, marine power systems and mining equipment.

As a direct-fit replacement spare part, the 20R-4147 effectively resolves common engine malfunctions including power attenuation, excessive fuel consumption, rough idle, unstable injection and excessive black smoke. It fully restores the factory-calibrated dynamic performance, fuel economy and emission compliance of the engine, making it a reliable and cost-effective choice for equipment maintenance, overhaul and component replacement. This injector features consistent operation and long service life, fully matching the durability and reliability of genuine c-aterpillar parts.

1. Bsic Parameter Details

2. Compatible Engines & Applic-ations

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