CATHydraulic Parts

2s4213 Valve Spring — Cat 631C 641

This valve spring is a crucial element within the engine's valve train, controlling the opening and closing of valves to regulate air-fuel mixture and exhaust gases. Manufactured to precise specifications, it offers superior resilience and fatigue resistance compared to a worn or broken spring. Operators might experience rough idling, misfires, or a significant loss of engine power when this spring fails.

Valve Spring – Part No 2s4213 – 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 TypeValve Spring
MaterialHigh-tensile steel
ApplicationEngine valve train
Service LifeReplace as part of engine overhaul or if worn
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early indicators of a failing valve spring include intermittent engine misfires or a rough idle. If left unaddressed, the engine may develop persistent power loss and increased fuel consumption. Continued operation risks valve float and potential piston-to-valve contact.

Installation Tip

Ensure the valve seat is clean and free of carbon buildup before installing the new spring. Avoid dropping or deforming the spring during installation to maintain its tension.

Service Note

Inspect the valve, valve guide, and rocker arm for wear when replacing the valve spring.