CATUndercarriage

2979156 Piston — Cat 322c 322c FM

This piston is a critical component within the engine's combustion chamber, responsible for converting the expanding gas pressure from fuel combustion into mechanical force. It is manufactured to meet stringent OEM standards, ensuring superior durability and performance compared to worn or damaged pistons that exhibit reduced compression and power output. Operators may notice a loss of engine power, increased exhaust smoke, or abnormal engine noises when a piston begins to fail.

Piston – Part No 2979156 – CAT Spare Part
Part Specifications
BrandCAT
CategoryUndercarriage
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

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

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
MaterialCast Aluminum Alloy
ApplicationInternal Combustion Engine
Service LifeReplace as needed based on engine condition
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of piston failure may include a slight decrease in engine power and a subtle increase in exhaust smoke. If left unaddressed, the problem can escalate to noticeable engine misfires and increased oil consumption. Continued operation with a failing piston risks severe internal engine damage.

Installation Tip

Ensure the cylinder bore is meticulously cleaned and inspected for any scoring before installing the new piston. 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 when replacing pistons.