CATEngine Parts

348-9768 Relief Valve — Cat 3054 3056E

This is a pressure relief valve that regulates hydraulic system pressure, protecting components from over-pressurization. It is manufactured to meet stringent CAT quality standards, ensuring reliable performance compared to a worn valve that may stick open or closed. Operators may notice erratic hydraulic function, slow operation, or a complete loss of hydraulic power when this valve fails.

Relief Valve – Part No 348-9768 – 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 Pressure Relief Valve
MaterialSteel alloy
ApplicationHydraulic system pressure regulation
Service LifeReplace as needed based on inspection
CompatibilityCAT specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing relief valve may first manifest as a slight inconsistency in hydraulic system response. If left unaddressed, the valve can become stuck, leading to either consistently low or dangerously high system pressures, risking damage to other hydraulic components.

Installation Tip

Ensure the hydraulic system is properly depressurized before attempting removal to prevent injury. Do not overtighten the valve during installation, as this can damage the threads or the valve seat.

Service Note

Inspect the hydraulic fluid and filter condition when replacing the relief valve.