CATEngine Parts

7j-0573 Hydraulic Pump Cartridge — Cat 3304 163

This is a Hydraulic Pump Cartridge, a self-contained unit within a hydraulic pump that contains the rotating elements responsible for generating fluid flow and pressure. It is manufactured to meet stringent CAT specifications, providing reliable performance and longevity that a worn or damaged cartridge cannot. Operators may notice a significant decrease in hydraulic system performance, such as slow or weak implement movement, loss of steering assist, or pump noise if this cartridge fails.

Hydraulic Pump Cartridge – Part No 7j-0573 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeHydraulic Pump Cartridge
MaterialHardened steel and bronze
ApplicationMain hydraulic system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hydraulic pump cartridge often begins with a noticeable degradation in hydraulic system responsiveness, such as slower boom or bucket movements. If ignored, this can progress to a complete loss of hydraulic power, rendering the equipment inoperable. This poses a significant risk of operational paralysis and potential damage to other hydraulic components.

Installation Tip

Thoroughly flush the hydraulic system and replace the hydraulic filter before installing a new cartridge to prevent contamination. Ensure the cartridge is correctly oriented according to the pump's design.

Service Note

Inspect the hydraulic fluid reservoir, lines, and actuators for contamination or damage, and replace the hydraulic filter when servicing the pump cartridge.