CATEngine Parts

257-1194 — Hydraulic Pump Proportional Solenoid Valve

This is a high-performance proportional solenoid valve that precisely controls hydraulic fluid flow and pressure within the main hydraulic system. Manufactured to exacting standards, it ensures accurate actuator response and system stability, unlike a worn valve that may exhibit erratic behavior. Operators might notice slow or jerky hydraulic functions, or a complete loss of hydraulic power when this valve fails.

Hydraulic Pump Proportional Solenoid Valve – Part No 257-1194 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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 Proportional Solenoid Valve
MaterialBrass and high-grade solenoid coil
ApplicationMain hydraulic control system
Service LifeReplace as needed based on hydraulic system diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing solenoid valve is often sluggish or erratic movement of hydraulic functions. If ignored, the problem can escalate to intermittent loss of hydraulic power or complete system failure, rendering the equipment inoperable. Continued operation risks damage to the hydraulic pump and other system components.

Installation Tip

Ensure the hydraulic system is properly depressurized before removing the old valve to prevent injury and fluid loss. Always use new O-rings or seals when installing the valve to guarantee a leak-free connection.

Service Note

Inspect the hydraulic filter and fluid for contamination when replacing the proportional solenoid valve.