CATEngine Parts

194-1983 Shaft Seal — Cat C18

This shaft seal is a critical component of the engine's lubrication system, preventing oil leakage and contamination. It is manufactured to meet stringent OEM quality standards, ensuring superior sealing performance compared to worn or damaged seals. Operators may notice oil spots under the equipment, a persistent oil smell, or a drop in oil pressure if this seal fails.

Shaft Seal – Part No 194-1983 – 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.

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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 TypeShaft Seal
MaterialNBR Rubber and Steel
ApplicationEngine Crankshaft or Camshaft
Service LifeReplace every 3,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing shaft seal is typically visible oil leakage around the crankshaft or camshaft. If left unaddressed, the leakage will worsen, potentially leading to low oil levels and increased engine wear. Continued operation with a compromised seal can risk internal engine damage due to insufficient lubrication.

Installation Tip

Ensure the shaft surface is clean and free of burrs before installation; improper seating can cause immediate failure. Avoid using excessive force or sharp tools that could damage the seal lip during installation.

Service Note

Inspect the crankshaft or camshaft for scoring or wear that could compromise the new seal's effectiveness.