CATEngine Parts

1979345lK Crown As- Piston — Cat

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

Engine Component – Part No 1979345lK – 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 Chamber
Service LifeReplace as needed based on engine overhaul schedule
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing piston may include a subtle decrease in engine performance or a slight increase in exhaust smoke. If ignored, the issue can progress to noticeable power loss, rough idling, and increased oil consumption as combustion gases bypass the rings. Continued operation risks cylinder wall damage and potential engine seizure.

Installation Tip

Ensure the cylinder bore is perfectly clean and free of debris before attempting installation. Avoid forcing the piston into the bore, as this can damage the piston skirt or cylinder walls.

Service Note

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