CATEngine Parts

198-4778 Hard Washer — Cat C13 C15

This hard washer is a critical component within the engine's assembly, designed to distribute load and prevent wear between mating surfaces. It is manufactured to meet stringent Caterpillar standards, ensuring superior durability and performance compared to a worn or damaged washer that can lead to fretting and component damage. Operators may notice increased engine noise or a loss of sealing integrity when this washer begins to fail.

Hard Washer – Part No 198-4778 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine 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

3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

262-5203
Hydraulic Pump
1258726
Kit-Piston Rings
164-0622
Receiver Drier
234-4894-49189-02710
Turbo Td04Hl 13G Turbocharger
111-3302
Swing Cylinder Seal Kit
382-4674
Stop Solenoid Valve

Browse all CAT Engine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeHard Washer
MaterialHardened Steel
ApplicationEngine Assembly
Service LifeReplace as needed during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hard washer may initially present as a slight increase in engine vibration or unusual clicking sounds. If left unaddressed, the washer can wear down, leading to compromised sealing and potential leaks. Continued operation without replacement risks damage to adjacent engine components due to uneven load distribution.

Installation Tip

Ensure the mating surfaces are clean and free of debris before installation to prevent premature wear. Avoid overtightening the fastener, as this can deform the washer and compromise its function.

Service Note

Inspect the fastener and the surface it contacts for any signs of wear or damage during installation.