CATHydraulic Parts

1s2895 Valve Seat Insert (Exhaust) — Cat 980

This is an exhaust valve seat insert, a vital component in the engine's cylinder head that provides a durable seating surface for the exhaust valve. Manufactured from high-temperature resistant alloy steel, it offers superior wear resistance and sealing compared to a worn or pitted seat. Operators may experience a loss of engine power, rough idling, or increased exhaust smoke if the valve seat is damaged or leaking.

Valve Seat Insert (Exhaust) – Part No 1s2895 – 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 TypeExhaust Valve Seat Insert
MaterialHigh-Temperature Alloy Steel
ApplicationEngine Cylinder Head (Exhaust Valve)
Service LifeReplace as needed during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing exhaust valve seat include a loss of engine compression and a rough idle. If ignored, the valve may not seal properly, leading to reduced engine power and increased exhaust emissions. Continued operation can cause valve and piston damage due to blow-by and poor combustion.

Installation Tip

Ensure the cylinder head bore for the valve seat is perfectly clean and free of any debris or damage before attempting installation. Avoid excessive force during installation, which can crack the cylinder head or damage the new seat.

Service Note

When replacing valve seat inserts, it is highly recommended to inspect and service the corresponding valve guides and the valves themselves.