CATEngine Parts

2977750 Piston — Cat 320C 320D

This piston is a critical component of the internal combustion engine, responsible for transferring the force generated by expanding gas to the crankshaft. It is manufactured to meet stringent OEM material and dimensional standards, ensuring optimal performance and durability compared to a worn or damaged piston. Operators may notice a loss of engine power, increased exhaust smoke, or unusual engine noises when a piston begins to fail.

Piston – Part No 2977750 – 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
MaterialCast aluminum alloy
ApplicationInternal combustion engine cylinder
Service LifeReplace as part of engine overhaul or when damaged
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of piston failure may include a noticeable decrease in engine power and increased blue or black exhaust smoke. If ignored, the problem can progress to increased oil consumption and rough engine running. Continued operation with a failing piston risks severe cylinder wall damage and potential engine seizure.

Installation Tip

Ensure the cylinder bore is clean and free of debris before installation to prevent scoring. Avoid forcing the piston into the cylinder; it should slide in smoothly with the correct ring compression.

Service Note

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