CATEngine Parts

346-4095 Axial Piston Pump — Cat C15

This is an Axial Piston Pump, a high-pressure hydraulic component essential for powering various functions within Caterpillar equipment. It is engineered to meet rigorous performance and durability standards, offering reliable operation superior to a worn or failing pump. Operators may notice slow or erratic hydraulic functions, a whining noise from the hydraulic system, or a loss of system pressure when this pump is experiencing issues.

Axial Piston Pump – Part No 346-4095 – 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 TypeAxial Piston Pump
MaterialHardened steel and cast iron
ApplicationMain hydraulic system
Service LifeReplace based on hydraulic system performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing axial piston pump is often a sluggish or inconsistent response in hydraulic functions. If left unaddressed, this can progress to a complete loss of hydraulic power and potential overheating of the hydraulic fluid. Continued operation risks damage to other hydraulic components due to inadequate lubrication and pressure.

Installation Tip

Ensure the hydraulic reservoir is completely drained and the system is flushed before installing the new pump to prevent contamination. Never run the pump dry; always prime it with hydraulic fluid before initial startup.

Service Note

Replace the hydraulic filter and inspect hydraulic fluid for contamination or degradation during pump replacement.