CATEngine Parts

3247380 Skirt Piston — Cat 330D 336D

This is a precision-engineered piston skirt designed to reduce friction and noise within the engine cylinder. Manufactured to exacting standards, it provides superior wear resistance and optimal sealing compared to a worn or damaged skirt. Operators might experience increased engine noise, particularly a knocking sound, reduced engine efficiency, or increased oil consumption when this component begins to fail.

Skirt Piston – Part No 3247380 – 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 TypePiston Skirt
MaterialAluminum alloy
ApplicationPiston assembly
Service LifeReplace as part of engine overhaul
CompatibilityCAT C9
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing piston skirt include an audible increase in engine noise, often described as a light knocking or rattling sound. If ignored, this can progress to noticeable power loss and increased oil consumption as the seal degrades. Continued operation risks scoring the cylinder walls and damaging the piston.

Installation Tip

Carefully inspect the cylinder bore for any scoring or imperfections before installing the new piston skirt. Ensure the piston itself is free from damage and that the skirt is properly seated.

Service Note

When replacing a piston skirt, it is highly recommended to inspect and replace the piston rings and cylinder liners simultaneously.