CATEngine Parts

474-9387 Hydraulic Valve — Cat

This hydraulic valve precisely controls the flow and pressure of hydraulic fluid within the machine's hydraulic system, enabling the operation of actuators like cylinders and motors. Manufactured to strict OEM tolerances using durable materials, it ensures accurate and responsive hydraulic control, unlike a worn or sticking valve. Operators may experience sluggish or erratic hydraulic functions, such as slow boom movement or imprecise steering, when this valve begins to fail.

Hydraulic Valve – Part No 474-9387 – 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 Control Valve
MaterialSteel alloy
ApplicationHydraulic system control
Service LifeReplace as needed based on system diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Sluggish or erratic operation of hydraulic functions, such as slow boom extension or imprecise bucket control, are the initial signs of a failing hydraulic valve. If ignored, the problem can progress to a complete loss of hydraulic function in the affected circuit, rendering critical operations impossible. This can lead to significant downtime and reduced productivity.

Installation Tip

Thoroughly flush the hydraulic system before installing a new valve to remove any contaminants that could cause immediate damage. Ensure all hydraulic lines are correctly connected to the valve ports to prevent system malfunction.

Service Note

Inspect hydraulic fluid for contamination and check hydraulic filters for debris when replacing this valve.