CATEngine Parts

3s-0303 Floating Seal — Cat 3304 3116

This is a CAT Floating Seal, a critical component in sealing rotating shafts within the powertrain or hydraulic systems to prevent lubricant leakage and contaminant ingress. It is precision-engineered for optimal sealing performance, maintaining its integrity where a worn or damaged seal would allow fluid loss and contamination. Operators might observe oil leaks around the shaft, unusual noises, or a drop in hydraulic system pressure if this seal fails.

Floating Seal – Part No 3s-0303 – 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 TypeFloating Seal
MaterialHardened steel and rubber
ApplicationPower train or hydraulic system sealing
Service LifeReplace as needed based on condition
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing floating seal include visible oil seepage around the shaft or housing. If left unaddressed, this can progress to significant fluid loss and contamination of internal components. Continued operation risks severe damage to bearings and gears due to lack of lubrication or abrasive wear.

Installation Tip

Ensure the mating surfaces on the shaft and housing are perfectly clean and free of burrs before installation. Do not use excessive force or pry tools, as this can easily damage the seal's delicate lip.

Service Note

Inspect the shaft for scoring or wear and clean the seal housing thoroughly before installing a new floating seal.