189-5184: Caterpillar Fuel Injection Pump 189-5184 | HEUI Actuating Pump for CAT C7/C9 – Fits E330D

189-5184: Caterpillar Fuel Injection Pump 189-5184 | HEUI Actuating Pump for CAT C7/C9 – Fits E330D

This HEUI fuel injection pump (high-pressure oil pump) is a high-quality aftermarket replacement for Caterpillar C7 and C9 HEUI fuel injection systems. It replaces OE part number 189-5184 for CAT C7/C9 applications. The pump builds and maintains the high oil pressure required to actuate HEUI unit injectors, delivering precise injection timing and metering for reliable starting, stable idle and full rated power. Hardened pumping gears and precision-machined housing stand up to sustained high-pressure operation, with OEM-spec mounting and sealing surfaces for a leak-free, bolt-on fit. Every unit is bench-tested for pressure and flow before shipment. Fits the Caterpillar E330D hydraulic excavator (C7/C9 engine family). Export-packed, 12-month warranty and responsive technical support. Aftermarket replacement part — not a genuine Caterpillar product. "Caterpillar" and "CAT" are trademarks of their respective owners, used for reference only.

We are a professional manufacturing factory dedicated to diesel engine spare parts. Our core product line covers diesel fuel injectors, injector nozzles, fuel injection pumps and complete injector repair kits. Backed by steady in-house stock, rigorous quality inspection and direct factory pricing, we partner with global wholesalers, maintenance workshops and machinery enterprises. We deliver premium reliable spare parts, fast lead time and all-round one-stop export service. We warmly welcome your inquiries and long-term business cooperation. 

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