CATHydraulic Parts

1916760 Valve Seat Insert (Exhaust) — Cat PMG3516 Engine: G3508

This is an exhaust valve seat insert designed for optimal sealing within the engine's cylinder head, crucial for maintaining combustion efficiency and power output. Manufactured from high-grade, heat-resistant alloy, it provides superior wear resistance and dimensional stability compared to a worn or pitted seat. Engine symptoms of a failing valve seat include loss of compression, rough idling, reduced power, and increased exhaust smoke.

Valve Seat Insert (Exhaust) – Part No 1916760 – 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
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a worn exhaust valve seat insert is often a subtle loss of engine power or a rougher idle. If left unaddressed, this can lead to significant compression loss, increased fuel consumption, and potential overheating. Continued operation with a compromised valve seat risks damage to the valve and piston, leading to more extensive engine repairs.

Installation Tip

Ensure the cylinder head bore for the valve seat is perfectly clean and free of any debris or old sealant. Avoid using excessive force or hammering during installation, as this can damage the seat or the cylinder head.

Service Note

Inspect the corresponding exhaust valve and valve guide for wear when replacing the valve seat insert.