CATEngine Parts

9j-0473 Hydraulic Pump — Cat 3208 613

This is a high-performance hydraulic pump designed to generate the flow and pressure required for the machine's hydraulic systems. It is built to meet rigorous OEM specifications, offering superior durability and efficiency over a worn pump that may exhibit reduced output or internal leakage. Operators may notice slow or unresponsive hydraulic functions, such as boom, stick, or bucket movements, and potentially audible whining noises from the pump.

Hydraulic Pump – Part No 9j-0473 – 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 alloys
ApplicationMain hydraulic system
Service LifeReplace based on performance testing and fluid analysis
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing hydraulic pump is often a noticeable decrease in the speed and responsiveness of hydraulic functions. If ignored, the pump's output will continue to degrade, leading to sluggish operation and potential overheating of the hydraulic fluid. Continued operation with a failing pump risks severe damage to other hydraulic components and extended equipment downtime.

Installation Tip

Ensure the hydraulic fluid reservoir is clean and the fluid level is correct before connecting the pump. Avoid introducing air into the system during installation, as this can cause cavitation and damage the pump.

Service Note

Inspect and replace the hydraulic filter and check the hydraulic fluid for contamination when installing a new hydraulic pump.