Hydraulic Fuel Injection Pump 319-0677 254-4357 10R-8899 for Caterpillar C7 Engine CAT 324D 329D 336D Excavator

Hydraulic Fuel Injection Pump designed specifically for the Caterpillar C7 Diesel Engine. This pump is a critical component of the HEUI (Hydraulic Electronic Unit Injection) system, identified by part numbers 319-0677 and 254-4357, and is the direct equivalent to the Caterpillar Reman part number 10R-8899. It is widely used in heavy-duty Caterpillar machinery, including the 324D, 325D, 328D, 329D, and 336D excavators, as well as various CAT motor graders and industrial power units.

In the C7 engine’s HEUI system, this pump acts as the high-pressure oil source that actuates the fuel injectors. Its performance is paramount; it must provide consistent, high-pressure hydraulic oil to ensure the injectors deliver fuel with the correct timing and pressure. Precision engineering is required to withstand the high-stress environments of construction and mining sites. Our 319-0677 pump is manufactured to meet or exceed original equipment (OE) specifications, ensuring reliable oil flow and pressure regulation.

Failure of the hydraulic injection pump often leads to severe engine performance issues, such as “no-start” conditions when hot, significant loss of hydraulic power, erratic idling, or increased fuel consumption. Replacing a worn or failing pump with this robust unit is essential for restoring the digging force and operational speed of your CAT 324D or 336D excavator. Each unit is tested for pressure stability and flow rate to guarantee it stands up to the toughest workloads.

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Contact:
Alex
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Email: alex@grockdiesel.com / xiaoliang8687@gmail.com