CATHydraulic Parts

6i1197 Valve Seat Insert (Inlet) — Cat 312 315

This is an inlet valve seat insert, a critical component within the engine's cylinder head responsible for sealing the intake valve. Manufactured to meet stringent OEM quality standards, it ensures a proper seal for optimal combustion and engine performance, unlike a worn or pitted seat. Symptoms of a worn valve seat include rough idling, loss of engine power, increased exhaust emissions, and poor fuel economy.

Valve Seat Insert (Inlet) – Part No 6i1197 – 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

ipt>

Related CAT Parts

From the same category — may also be needed

2N8943
Caterpillar Valve Seat Insert (Inlet) 2N8943
2268767
Hydraulic Component
1P2187
Gear Pump-Hydraulic
7W8064
Hydraulic Component
1067920
Hydraulic Component
0S1589
Cap Screw

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 (Inlet)
MaterialHardened steel alloy
ApplicationEngine cylinder head (inlet)
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a worn inlet valve seat include a noticeable drop in engine power and a rougher idle. If left unaddressed, the poor seal will lead to increased fuel consumption, excessive exhaust smoke, and potential damage to the piston and cylinder head.

Installation Tip

Ensure the cylinder head bore is perfectly clean and free of any old material or damage before attempting to install the new seat. Avoid hammering the insert into place; it should be pressed or shrunk in for a precise fit.

Service Note

When replacing valve seat inserts, it is also advisable to inspect and potentially replace the corresponding valve guides and valve stem seals.