CATEngine Parts

9t-6859 Valve — Cat 3204 3304

This valve is a precision-engineered component within the engine's cylinder head, controlling the flow of air and exhaust gases. It is manufactured to meet strict OEM standards, ensuring optimal sealing and durability compared to a worn or burnt valve that can cause compression loss. Operators might notice a significant loss of engine power, rough idling, or increased exhaust smoke if this valve is not functioning correctly.

Valve – Part No 9t-6859 – 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 TypeEngine Valve
MaterialHigh-temperature Steel Alloy
ApplicationEngine Cylinder Head
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing valve may initially cause a slight misfire or a noticeable reduction in engine power. If the valve seat is compromised or the valve is burnt, it can lead to significant compression loss and rough running. Continued operation with a faulty valve risks damage to the piston and cylinder head.

Installation Tip

Ensure the valve stem seals are replaced concurrently with the valves to prevent oil consumption and maintain proper sealing. Do not allow any debris to enter the cylinder bore when the cylinder head is removed.

Service Note

Inspect valve guides, valve seats, and piston tops for wear or carbon buildup when replacing engine valves.