CATEngine Parts

316-6212 Relief Valve — Cat Excavator 307D 308D 308E

This is a relief valve designed to regulate and control hydraulic system pressure, protecting components from over-pressurization. It is manufactured to meet stringent CAT quality standards, ensuring reliable operation compared to a worn valve that may stick or leak. Operators may notice erratic hydraulic system performance, such as slow or jerky implement movements, or a loss of power when the relief valve fails.

Relief Valve – Part No 316-6212 – 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 TypeRelief Valve
MaterialSteel
ApplicationHydraulic System Pressure Regulation
Service LifeReplace as needed based on system diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Erratic hydraulic system operation, such as slow or inconsistent implement speeds, is often the first sign of a failing relief valve. If left unaddressed, the valve may fail to regulate pressure, leading to overheating and premature wear of other hydraulic components. Continued operation with a faulty relief valve risks damage to pumps and actuators.

Installation Tip

Ensure the hydraulic system is properly depressurized before attempting removal to prevent injury. Avoid overtightening the valve during installation, as this can damage the threads or valve seat.

Service Note

Inspect hydraulic fluid and filters for contamination when replacing the relief valve.