CATHydraulic Parts

1052155 Pump Gp-Vn Bsc-A — Cat 446B 446D

This is a replacement variable displacement (VN) pump group, essential for the main hydraulic system's operation. Manufactured to meet stringent quality standards, it ensures reliable pressure and flow for hydraulic functions, unlike a worn pump that may exhibit reduced performance. Operators might observe slow or weak hydraulic movements, or a lack of system pressure when this pump begins to fail.

Pump Gp-Vn Bsc-A – Part No 1052155 – 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 Group
MaterialCast iron and steel alloys
ApplicationMain hydraulic system
Service LifeReplace as needed based on performance testing
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A noticeable decrease in the speed and power of hydraulic functions, such as boom or bucket movement, is a common symptom of a failing hydraulic pump. If ignored, the system may become completely unresponsive, leading to significant downtime. Continued operation risks overheating the hydraulic fluid and damaging other system components.

Installation Tip

Ensure the hydraulic reservoir is filled to the correct level with the specified fluid before starting the pump. Avoid running the pump dry, as this can quickly cause internal damage.

Service Note

Inspect the hydraulic system for leaks and replace the hydraulic filter and fluid when installing this new pump group.