CATHydraulic Parts

1559248 Pump Gp-Ps — Cat 345B 345B L

This is a high-pressure hydraulic pump designed to generate flow and pressure for the main hydraulic system of heavy equipment. It is manufactured to meet stringent OEM quality standards, ensuring durability and performance comparable to original components, unlike worn pumps that exhibit reduced flow and increased internal leakage. Operators may notice sluggish hydraulic functions, a lack of power, or overheating of the hydraulic oil when this pump begins to fail.

Pump Gp-Ps – Part No 1559248 – 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 Assembly
MaterialCast iron and steel alloys
ApplicationMain hydraulic system
Service LifeReplace based on performance degradation or 5,000-8,000 hours
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing pump include slower than normal hydraulic response and reduced lifting or digging force. If left unaddressed, the pump's internal components will continue to wear, leading to a significant loss of hydraulic power and potential system overheating. Continued operation with a degraded pump risks damage to other critical hydraulic components due to insufficient lubrication and pressure.

Installation Tip

Ensure the hydraulic system is thoroughly flushed and all filters are replaced before installing the new pump to prevent contamination. Avoid over-tightening the mounting bolts, as this can distort the pump housing and cause leaks or premature wear.

Service Note

Inspect hydraulic fluid levels, filters, and suction screens for signs of wear or contamination.