CATEngine Parts

153-9624 Hydraulic Piston Pump — Cat 3456 C18

This is a high-pressure hydraulic piston pump designed to deliver precise fluid flow for the main hydraulic system of heavy machinery. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or damaged units that exhibit reduced flow or inconsistent pressure. Operators may notice sluggish hydraulic functions, a lack of power, or erratic boom/bucket movements when this pump begins to fail.

Hydraulic Piston Pump – Part No 153-9624 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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 performance monitoring
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure include a noticeable decrease in hydraulic system responsiveness and power. If ignored, the pump's output will continue to degrade, leading to significantly slower cycle times and potential overheating of the hydraulic oil. Continued operation with a failing pump risks damage to other critical hydraulic components due to insufficient flow or contamination.

Installation Tip

Thoroughly flush the hydraulic system to remove any debris before installation, as contamination is a primary cause of premature pump failure. Avoid overtightening the mounting bolts, as this can distort the pump housing and lead to leaks or internal damage.

Service Note

Inspect the hydraulic oil filter and consider replacing it, along with the hydraulic oil, when installing a new piston pump.