CATEngine Parts

2318819 Seal-Crankshaft — Cat CB-14 Engine: 3011C

This crankshaft seal is a vital component that prevents oil from leaking out of the engine crankcase where the crankshaft exits. Manufactured to precise OEM standards, it provides a reliable seal against high rotational speeds and oil pressure, unlike a worn or cracked seal. Operators may notice oil spots under the equipment, a burning oil smell, or a drop in oil level when this seal begins to fail.

Seal-Crankshaft – Part No 2318819 – 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 TypeCrankshaft Seal
MaterialNBR Rubber, Steel Reinforcement
ApplicationEngine Crankshaft
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common initial symptom of a failing crankshaft seal is the appearance of oil leaks around the crankshaft pulley or flywheel housing. If left unaddressed, the oil leak will likely increase, potentially leading to low oil levels and increased risk of engine overheating or component damage. Significant oil loss can compromise engine lubrication, leading to severe internal damage.

Installation Tip

Ensure the crankshaft surface where the seal rides is perfectly clean and free of burrs or damage before installation. Use a proper seal driver to install the seal squarely and to the correct depth, avoiding cocking or damaging the seal lip.

Service Note

Inspect the crankshaft pulley or flywheel, crankshaft snout, and oil pan gasket for wear or damage when replacing the crankshaft seal.