CATEngine Parts

3t-9117 Floating Seal — Cat C11 C13

This floating seal is a critical component designed to maintain lubrication and prevent contamination within engine assemblies. It provides a robust sealing solution that outlasts worn seals, which often exhibit hardened or cracked O-rings and compromised sealing surfaces. Operators may notice oil leaks around the seal housing or increased internal component wear if this seal fails.

Floating Seal – Part No 3t-9117 – 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 Assembly
MaterialSteel and NBR rubber
ApplicationEngine lubrication system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing floating seal include visible oil seepage around the seal housing. If left unaddressed, this seepage can worsen, leading to significant lubricant loss and potential contamination of internal engine parts. Continued operation with a compromised seal risks accelerated wear on critical rotating components.

Installation Tip

Ensure the seal grooves and mating surfaces are meticulously cleaned and free of any debris or old sealant before installation. Avoid using excessive force or improper tools, which can damage the seal or its housing during seating.

Service Note

Inspect the crankshaft or shaft surfaces for wear and ensure the seal housing is clean and undamaged.