CATHydraulic Parts

1314340 Valve Seat Insert (Exhaust) — Cat 777

This is a CAT Valve Seat Insert (Exhaust), a precision-engineered component that forms the sealing surface for the exhaust valve within the engine cylinder head. Manufactured to meet stringent OEM material and dimensional specifications, it ensures a tight seal for optimal combustion efficiency and engine performance, unlike a worn seat that allows leakage. Operators may experience a loss of engine power, rough idling, increased exhaust smoke, or poor fuel economy when the exhaust valve seat is damaged or worn.

Valve Seat Insert (Exhaust) – Part No 1314340 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

Related CAT Parts

From the same category — may also be needed

2120272
Motor Gp-Piston
158-8987-126-1813
Hydraulic Oil Filter
1213388
Pump Gp
9T0486
Caterpillar Pump G 9T0486
203-7896
Hydraulic Oil Cooler
1566985*
Hydraulic Component 1566985* 1566985* 1566985*

Browse all CAT Hydraulic Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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
MaterialHigh-temperature alloy steel
ApplicationEngine exhaust valve
Service LifeReplace as needed during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a worn exhaust valve seat may include a slight decrease in engine power or a subtle increase in exhaust noise. If left unaddressed, the valve leakage will worsen, leading to significant power loss, increased oil consumption, and potential overheating. Continued operation risks severe engine damage due to poor combustion and increased stress on other components.

Installation Tip

Ensure the cylinder head is clean and free of any debris before attempting to install the valve seat insert. Avoid hammering the insert into place; use a proper press or driver to seat it correctly and prevent damage.

Service Note

Replace exhaust valves, valve springs, and inspect valve guides when servicing valve seat inserts.