CATHydraulic Parts

1986529 Valve Seat Insert (Exhaust) — Cat

This is an exhaust valve seat insert designed for specific CAT engines, ensuring a proper seal for the exhaust valve. Manufactured to meet rigorous OEM standards, it provides superior wear resistance and sealing integrity compared to a worn or damaged seat. Operators may notice a loss of engine power, rough idling, or increased exhaust smoke if this component fails.

Valve Seat Insert (Exhaust) – Part No 1986529 – 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 Seat Insert (Exhaust)
MaterialHigh-temperature alloy steel
ApplicationEngine cylinder head (exhaust valve)
Service LifeReplace as needed based on engine overhaul schedule
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A rough idle or noticeable loss of engine power can indicate a failing exhaust valve seat insert. If ignored, the issue can lead to increased fuel consumption and potential damage to the cylinder head and valve train. Continued operation risks reduced engine performance and efficiency.

Installation Tip

Ensure the cylinder head is clean and free of debris before attempting to install the new valve seat insert. Avoid using excessive force during installation, as this can damage the insert or the cylinder head seat pocket.

Service Note

Inspect the exhaust valves and valve guides for wear or damage when replacing the valve seat insert.