CATEngine Parts

130-6889 Floating Oil Seal — Cat 3408 3412

This is a Floating Oil Seal, a crucial sealing component designed to prevent lubricant from escaping and contaminants from entering rotating assemblies, typically found in crankshaft or camshaft applications. It utilizes a flexible lip or a spring-loaded mechanism to maintain a seal against a rotating surface, ensuring proper lubrication and component protection. A worn or damaged seal will manifest as visible oil leaks around the rotating shaft or a greasy buildup on surrounding components.

Floating Oil Seal – Part No 130-6889 – 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 Oil Seal
MaterialNBR rubber, steel garter spring
ApplicationCrankshaft or camshaft sealing
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign is typically a visible oil leak originating from the crankshaft or camshaft seal area. If left unaddressed, the leak will worsen, potentially leading to insufficient lubrication of critical engine components. The consequence is accelerated wear on bearings and journals, risking severe engine damage.

Installation Tip

Always ensure the sealing surface on the shaft is clean, smooth, and free of any nicks or burrs that could damage the new seal's lip. Carefully press the seal in squarely to avoid damaging its housing or creating an uneven seal.

Service Note

Inspect the crankshaft or camshaft journal for wear or damage where the seal rides, and check the condition of the surrounding bearing.