CATCab & Body Parts

171-5811 Floating Oil Seal — Cat 345B 345C

This floating oil seal is critical for maintaining a clean lubrication environment and preventing fluid loss in heavy-duty applications. It is manufactured to exact standards, providing robust sealing performance that resists wear and contamination, unlike degraded seals that allow leaks and ingress of abrasive materials. Operators may notice oil seepage, contamination of hydraulic fluid, or unusual wear on rotating components when this seal begins to fail.

Floating Oil Seal – Part No 171-5811 – 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
MaterialRubber and Metal
ApplicationSealing system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing floating oil seal include visible oil leaks around the sealed component or a noticeable decrease in lubricant levels. If left unaddressed, the leakage will worsen, potentially leading to insufficient lubrication and increased wear on mating parts. The ingress of dirt and moisture can also contaminate the system, causing significant damage to internal components.

Installation Tip

Ensure the mating surfaces on both the shaft and the housing are perfectly clean and free from any imperfections. Use a proper seal installation tool to press the seal in evenly, avoiding any cocking or damage to the sealing lip.

Service Note

Inspect the shaft and housing for wear or damage, and clean the surrounding area to prevent contamination during installation.