CATHydraulic Parts

1302608 Valve Seat Insert (Exhaust) — Cat 5130 5130B

This is an exhaust valve seat insert, a critical component within the engine's cylinder head that provides a sealing surface for the exhaust valve. It is manufactured to meet stringent OEM material and dimensional standards, ensuring optimal sealing and durability compared to a worn or pitted seat. Operators may notice a loss of engine power, rough idling, or increased exhaust smoke when this component begins to fail.

Valve Seat Insert (Exhaust) – Part No 1302608 – 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
MaterialHardened Steel Alloy
ApplicationEngine Cylinder Head
Service LifeReplace as needed during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure may include a subtle loss of engine power or a slight increase in exhaust emissions. If left unaddressed, the valve sealing will worsen, leading to significant power reduction and potential overheating. Continued operation with a failing valve seat can cause damage to the cylinder head and piston assembly.

Installation Tip

Ensure the cylinder head counterbore is meticulously cleaned and free of any debris or carbon buildup before installation. Avoid using excessive force or improper tools, which can damage the new seat or the cylinder head.

Service Note

Inspect and replace the corresponding intake valve seat inserts, valve guides, and valve seals simultaneously.