CATCab & Body Parts

176-5331 Floating Oil Seal — Cat 330D 349D

This floating oil seal is designed to prevent the ingress of contaminants and the egress of lubricants within critical rotating assemblies of Caterpillar excavators. Manufactured to precise tolerances, it offers superior sealing performance compared to a worn or damaged seal, which can lead to leakage and premature component wear. Operators might observe oil leaks around the affected component or notice increased noise and reduced performance if this seal fails.

Floating Oil Seal – Part No 176-5331 – CAT Spare Part
Part Specifications
BrandCAT
CategoryCab & Body 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

Clean mating surfaces before fitting cab seals to prevent air and water ingress. Use correct adhesive for glass bonding — structural automotive adhesive, not silicone. Check wiring harness routing when replacing doors or panels.

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

Part TypeFloating Oil Seal
MaterialNitrile Rubber (NBR) and Steel
ApplicationAxle or Drive Shaft Seal
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing floating oil seal is often visible oil seepage around the shaft or housing. If left unaddressed, this can lead to a significant loss of lubricant, causing increased friction and wear on the protected components. Continued operation without proper lubrication can result in severe damage to the axle or drive system.

Installation Tip

Carefully inspect the shaft surface for any burrs or damage that could nick the new seal during installation. Ensure the seal is seated squarely and not cocked in its bore.

Service Note

Inspect the shaft and housing for wear or damage, and check the lubricant level and condition of the component being sealed.