CATEngine Parts

2889943 Piston As — Cat 414e 416D

This piston assembly is a critical component of the engine's combustion system, responsible for converting the pressure from expanding gases into rotational motion. It is manufactured to meet stringent quality standards, ensuring superior durability and performance compared to worn or damaged pistons that can 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 2889943 – 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 as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing piston assembly can include a noticeable decrease in engine power and increased exhaust smoke. If ignored, the issue can progress to excessive oil consumption and rough engine running. 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 inspected for any scoring or out-of-round conditions before installing the new piston. Avoid forcing the piston into the bore, as this can damage the piston skirt or cylinder walls.

Service Note

When replacing a piston assembly, it is crucial to inspect the cylinder liner, connecting rod bearings, and piston rings for wear or damage.