CATEngine Parts

1646556lK Crown As- Piston — Cat

This is a Crown Piston, a vital component within the engine's combustion chamber that converts the pressure from expanding gases into mechanical force. Manufactured to precise OEM specifications, it ensures optimal compression and power transfer, unlike a worn piston that may exhibit scoring or reduced sealing. Operators might experience a loss of engine power, increased exhaust smoke, or rough idling when a piston begins to fail.

Engine Component – Part No 1646556lK – 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 TypeEngine Piston
MaterialAluminum Alloy
ApplicationEngine Combustion Chamber
Service LifeReplace as part of engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of piston failure can include a slight decrease in engine power or a subtle increase in oil consumption. If ignored, the piston may develop cracks or scoring, leading to significant power loss, excessive smoke, and potential engine misfires. Continued operation risks catastrophic engine damage if the piston fails completely, potentially damaging the cylinder block and crankshaft.

Installation Tip

Ensure the cylinder bore is honed to the correct specification and thoroughly cleaned before installing the piston. Avoid using excessive force when seating the piston rings into their grooves, as they can be brittle.

Service Note

Always replace piston rings and inspect cylinder liners for wear or damage when installing a new piston.