CATHydraulic Parts

1799454 Valve Seat Insert (Inlet) — Cat CPT372 R1600

This is a Caterpillar Valve Seat Insert (Inlet) for engine cylinder heads, crucial for sealing the intake valve against the combustion chamber. It provides a durable, wear-resistant surface for the valve to seat against, ensuring proper compression and combustion efficiency. A worn or damaged valve seat insert will result in poor engine performance, misfires, and reduced power, often accompanied by audible exhaust leaks.

Valve Seat Insert (Inlet) – Part No 1799454 – 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

1K4378
Bolt
2959400
Caterpillar Cylinder Gp- Boom 2959400
1T1347
Hydraulic Component
CTP3774702OH6B4
6I0164
3P6816
Caterpillar Gear Pump-Hydraulic 3P6816
1799461
Hydraulic Component

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 during engine overhaul or if worn
CompatibilityCPT372, R1600, R1600G, R1700G, sBF214
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a worn inlet valve seat insert is a noticeable loss of engine power and rough idling. If ignored, the poor seal will lead to increased fuel consumption, persistent misfires, and potential exhaust gas blow-by. Continued operation with a compromised valve seat can result in valve damage and reduced engine efficiency.

Installation Tip

Ensure the cylinder head valve seat bore is thoroughly cleaned and free of any carbon deposits or old sealant. Avoid hammering the insert into place; it should be pressed or shrunk in for a proper fit.

Service Note

When replacing valve seat inserts, it is also recommended to inspect and potentially replace the corresponding valve guides and valves.