CATEngine Parts

1W2804 Excavators & Construction Equipment — Cat 950

This is a CAT Piston Assembly, a fundamental component within the engine's combustion chamber responsible for converting the pressure from burning fuel into mechanical motion. It is precision-machined from high-strength materials to withstand extreme temperatures and pressures, unlike a worn piston with scoring or a damaged ring groove. Operators may experience a loss of engine power, increased oil consumption, or visible smoke from the exhaust if this piston assembly is compromised.

Excavators & Construction Equipment – Part No 1W2804 – 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
MaterialAluminum Alloy or Cast Iron
ApplicationEngine cylinder
Service LifeReplace as needed based on inspection
CompatibilityCTP aftermarket replacement
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A gradual reduction in engine power and noticeable increase in oil consumption are common initial signs. This can progress to audible knocking sounds from the engine, excessive blue smoke from the exhaust, and potential loss of compression. Continued operation risks severe internal engine damage and costly repairs.

Installation Tip

Ensure the cylinder bore is perfectly clean and honed to the correct surface finish before installing the piston assembly. Install piston rings with the correct orientation and gap placement as specified in the service manual.

Service Note

Inspect cylinder liners for wear or damage, and check connecting rod bearings for play when replacing the piston assembly.