CATHydraulic Parts

9J4983 Caterpillar Pump G 9J4983 — Cat

This is a hydraulic pump, designed to generate the necessary flow and pressure for the machine's hydraulic system. It is manufactured to precise specifications, ensuring efficient operation and durability, outperforming worn or failing original pumps. Operators may experience a loss of hydraulic power, slow or erratic implement movement, or increased system noise when this pump begins to fail.

Caterpillar Pump G 9J4983 – Part No 9J4983 – CAT Spare Part
Part Specifications
BrandCAT
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

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
ApplicationHydraulic system
Service LifeReplace as needed based on performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early symptoms of a failing hydraulic pump include a gradual reduction in the speed and power of hydraulic functions. As wear progresses, the pump may become noisy, overheat the hydraulic fluid, and eventually lead to intermittent or complete loss of hydraulic operation. Continued use with a failing pump can cause damage to other hydraulic components due to contamination and inadequate lubrication.

Installation Tip

Before installing, ensure the hydraulic system is completely flushed to remove any debris that could damage the new pump's internal components. Never run the pump dry; always prime it with hydraulic fluid before initial startup.

Service Note

Inspect and clean the hydraulic system's intake screens and filters, and consider replacing the hydraulic fluid and filter elements.