CATEngine Parts

2881395 Piston As-(Os 1.0Mm) — Cat 312D2 312D2 GC

This Piston Assembly, with an oversized 1.0mm dimension, is a critical internal engine component responsible for converting combustion pressure into mechanical force. It is manufactured to exact specifications with high-grade materials, ensuring proper sealing and efficient power transfer, which is essential for engine operation. Observable symptoms of a worn or damaged piston include excessive oil consumption, blue smoke from the exhaust, knocking noises from the engine, and a significant loss of power.

Piston As-(Os 1.0Mm) – Part No 2881395 – 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
ApplicationInternal engine combustion chamber
Service LifeReplace during engine overhaul or as needed
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial indicators of a faulty piston include increased exhaust smoke and a slight reduction in engine smoothness. If ignored, this can lead to increased oil consumption and audible knocking sounds as the piston-to-cylinder clearance grows. Continued operation risks scoring the cylinder walls and potential piston seizure, leading to severe engine damage.

Installation Tip

Ensure the cylinder bore is honed and cleaned to the correct specification before installing the oversized piston. Always use new piston rings and lubricate the piston and rings generously with clean engine oil before insertion.

Service Note

Replace piston rings, connecting rod bearings, and inspect cylinder liners for wear when installing a new piston assembly.