CATEngine Parts

2168323 Piston As — Cat 550B 560B

This piston assembly is a critical component of the engine's combustion system, responsible for converting the pressure from expanding gases into mechanical force. It is manufactured to meet stringent quality standards, ensuring superior durability and performance compared to worn or damaged pistons that may exhibit scoring or deformation. Operators may notice a loss of engine power, increased oil consumption, or unusual engine noises when a piston assembly begins to fail.

Piston As – Part No 2168323 – 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 Assembly
MaterialCast Aluminum Alloy
ApplicationEngine Combustion System
Service LifeReplace based on engine overhaul schedule or performance degradation
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing piston assembly may include a noticeable decrease in engine power and increased exhaust smoke. If ignored, the issue can progress to excessive oil consumption and rough engine operation. Continued operation with a compromised piston assembly risks cylinder wall damage and potential engine seizure.

Installation Tip

Ensure the cylinder bore is thoroughly cleaned and free of any debris before installing the new piston assembly. Avoid forcing the piston into the cylinder bore, as this can damage the piston skirt or the cylinder wall.

Service Note

Inspect cylinder liners, connecting rod bearings, and piston rings for wear or damage when replacing the piston assembly.