CATEngine Parts

6e-6412 Hydraulic Piston Pump — Cat 3516

This Hydraulic Piston Pump is a high-pressure component responsible for generating flow in the main hydraulic system, powering actuators and functions. It is built with precision engineering and durable materials to meet demanding operational requirements, offering superior performance compared to a worn pump with reduced output. Symptoms of a failing pump include sluggish hydraulic operation, loss of power, overheating of the hydraulic fluid, and unusual noises from the pump housing.

Hydraulic Piston Pump – Part No 6e-6412 – 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 every 4,000-6,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hydraulic piston pump will initially cause a noticeable decrease in the speed and power of hydraulic functions. If left unaddressed, this can progress to intermittent loss of hydraulic pressure and increased system temperatures. Continued operation with a faulty pump risks damage to other hydraulic components due to inadequate lubrication and pressure.

Installation Tip

Ensure the hydraulic system is thoroughly flushed and new, clean fluid is used before installing the new pump to prevent contamination. Never run the new pump dry; prime it according to the manufacturer's instructions before initial startup.

Service Note

Replace the hydraulic filter element and inspect the hydraulic fluid for contamination when servicing or replacing the piston pump.