CATEngine Parts

202-1335 Hydraulic Pump — Cat C15 C18

This hydraulic pump is the heart of the machine's hydraulic system, generating the flow and pressure necessary to operate implements and functions. It is manufactured to meet stringent OEM quality standards, ensuring reliable power delivery and longevity, unlike a worn pump that can cause sluggish or erratic hydraulic performance. Operators may observe slow or unresponsive hydraulic functions, whining noises from the pump, or a noticeable loss of system pressure when this component fails.

Hydraulic Pump – Part No 202-1335 – 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
MaterialCast Iron and Steel
ApplicationMain Hydraulic System
Service LifeReplace based on inspection or system performance
CompatibilityCAT 3406E, 3408E, C15, C18, 621G
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common initial symptom of a failing hydraulic pump is a noticeable decrease in the speed and power of hydraulic functions, such as loader arms or steering. If left unaddressed, this can progress to intermittent or complete loss of hydraulic operation, making the equipment difficult or impossible to use. Continued operation with a compromised hydraulic pump risks damage to other hydraulic components due to inadequate flow or pressure, and potential loss of control.

Installation Tip

Thoroughly flush the entire hydraulic system with clean fluid before installing the new pump to remove any particulate contamination. Ensure the pump shaft is properly aligned with the drive coupling to prevent premature wear.

Service Note

Always replace the hydraulic filter and inspect hydraulic fluid for contamination when installing a new hydraulic pump.