CATHydraulic Parts

1456853 Valve Seat Insert (Inlet) — Cat 312B l 315B l

This inlet valve seat insert is a precision-machined component that forms a critical seal within the hydraulic valve body, ensuring proper directional control of fluid flow. Manufactured to exacting standards, it provides a durable seating surface that resists wear and leakage, unlike a damaged or worn seat which can cause erratic hydraulic function. Operators may experience inconsistent hydraulic performance or a loss of system pressure when this insert begins to degrade.

Valve Seat Insert (Inlet) – Part No 1456853 – 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

4901721
Hydraulic Component
7J9729
Caterpillar Cylinder Gp-Tilt 7J9729
1154158
Hydraulic Component
1093420
Gear Pump-Hydraulic
1921322
Hydraulic Component
1363965
Gear Pump-Hydraulic

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
MaterialHardened Steel
ApplicationHydraulic valve body
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing valve seat insert may include a slight decrease in hydraulic system pressure or a subtle increase in noise. If left unaddressed, the worn seat will lead to significant internal leakage, causing sluggish operation and reduced hydraulic force. Continued operation with a compromised valve seat can lead to overheating of the hydraulic fluid and premature wear on other system components.

Installation Tip

Ensure the valve body bore is perfectly clean and free of any burrs or debris before attempting to install the new seat insert. Press the insert in carefully and squarely to avoid damaging the bore or the insert itself.

Service Note

Inspect the associated valve spool or poppet for any signs of wear or scoring that could affect sealing.