The CAT HEUI Fuel Injector 242-0857 is engineered for Caterpillar HEUI (Hydraulic Electronic Unit Injector) systems, commonly used in C7 and C9 engines. Unlike standard injectors, HEUI units use high-pressure engine oil for actuation and electronic control for injection timing, allowing superior fuel control regardless of engine RPM. This injector helps deliver better throttle response, cleaner burn, and more consistent torque in machines operating under varying loads. It is especially recommended when engines show symptoms like loss of power, heavy smoke, hard starting, or uneven firing. As with all HEUI systems, clean engine oil and a healthy high-pressure oil pump are critical to injector life.
Key Features:
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Genuine HEUI injector part 242-0857
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Suitable for C7 and C9 Caterpillar engines
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Oil-actuated system ensures precise injection control
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Performs reliably in load-changing environments
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Restores power, improves fuel efficiency, reduces smoke
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Best used with a clean and well-maintained HEUI oil circuit
Contact for Orders:
📞 +91 78885 29020
📧 paldieselservice.chd@gmail.com
Cat HEUI FUEL INJECTORS
242-0857, 2420857
suitable for caterpillar Engines
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