CATEngine Parts

168-7873 Hydraulic Piston Pump — Cat 924 924G 924H

This hydraulic piston pump is the heart of the machine's hydraulic system, generating the flow and pressure needed for actuators like cylinders and motors. Built to exacting standards, it ensures efficient power transfer and reliable operation, unlike a worn pump with reduced output. Operators may notice slow or erratic hydraulic functions, a whining noise from the pump, or a loss of system power when this component begins to fail.

Hydraulic Piston Pump – Part No 168-7873 – 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 Piston Pump
MaterialHardened Steel Alloy
ApplicationMain Hydraulic System
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing hydraulic piston pump is often a sluggish or inconsistent response from hydraulic functions. If ignored, the pump's efficiency will continue to degrade, leading to a significant loss of operational power and potential overheating of the hydraulic system. Continued operation with a worn pump risks damage to other hydraulic components due to inadequate pressure or contamination.

Installation Tip

Thoroughly flush the hydraulic system and replace the hydraulic filter before installing the new pump to prevent contamination. Ensure the pump shaft is properly aligned with the drive coupling to avoid premature wear.

Service Note

Always replace the hydraulic filter and inspect the hydraulic fluid for contamination when replacing the piston pump.