CATHydraulic Parts

2P3645 Caterpillar Gear Pump-Hydraulic 2P3645 — Cat

This Caterpillar Gear Pump-Hydraulic is a positive displacement pump designed to deliver a consistent flow of hydraulic fluid under pressure. It utilizes meshing gears to trap and move fluid from the inlet to the outlet port, forming the backbone of many hydraulic systems. A worn gear pump will produce reduced flow, lower system pressure, and may generate audible whining noises.

Caterpillar Gear Pump-Hydraulic 2P3645 – Part No 2P3645 – 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 TypeGear Pump
MaterialAluminum Alloy and Steel
ApplicationHydraulic System
Service LifeReplace when flow or pressure drops significantly
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The primary symptom of a failing gear pump is a noticeable reduction in the speed and power of hydraulic functions, often accompanied by a whining sound. If ignored, this can lead to insufficient hydraulic pressure for operation, potentially causing the equipment to stall or fail to perform tasks. Continued use risks overheating the hydraulic system and damaging other components.

Installation Tip

Ensure the pump shaft seal is properly seated and lubricated before installation to prevent premature failure. Do not overtighten the mounting bolts, as this can warp the pump housing.

Service Note

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