CATHydraulic Parts

1671153 Pump Gp-Piston — Cat 966G 966G II

This is a piston pump assembly, a key component in the hydraulic system responsible for converting mechanical energy into hydraulic flow and pressure. Manufactured to meet stringent OEM performance and durability standards, it ensures consistent and reliable hydraulic power delivery unlike a worn pump that may exhibit reduced flow or internal leakage. Operators may notice sluggish hydraulic functions, a whining noise from the pump, or a drop in system pressure when this assembly begins to fail.

Pump Gp-Piston – Part No 1671153 – 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 TypePiston Pump Assembly
MaterialSteel Alloy and Cast Iron
ApplicationMain Hydraulic System
Service LifeReplace as needed based on performance degradation
CompatibilityCAT 966G, 966G II, 972G, 972G II
ConditionNew — Aftermarket replacement

Failure Symptoms

Initial symptoms of a failing piston pump include a noticeable slowdown or loss of power in hydraulic operations. If ignored, the pump's efficiency will continue to decline, leading to inconsistent system performance and potential overheating. The main risk is the inability to perform essential work functions, causing significant operational disruption.

Installation Tip

Ensure the hydraulic system is completely free of contaminants before installing the new pump; even small particles can cause rapid wear. Prime the pump with clean hydraulic fluid before initial startup to prevent dry running.

Service Note

Inspect the hydraulic fluid reservoir, filters, and all associated hydraulic lines and fittings for any signs of contamination or wear.