CATEngine Parts

2255436 Kit-Piston Rings — Cat 312D2 312D2 GC

This kit of piston rings is essential for maintaining proper compression and sealing within the engine cylinders, preventing combustion gases from leaking into the crankcase. Manufactured to precise tolerances, these rings ensure optimal engine performance and oil control, unlike worn rings which allow blow-by and increased oil consumption. Operators may notice a loss of engine power, excessive smoke from the exhaust, or increased oil consumption when piston rings are failing.

Kit-Piston Rings – Part No 2255436 – 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 Rings Kit
MaterialCast Iron Alloy
ApplicationEngine Cylinders
Service LifeReplace during engine overhaul or as needed
CompatibilityCTP aftermarket replacement
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first indication of worn piston rings is often a noticeable decrease in engine power and increased blue smoke from the exhaust. As the condition worsens, oil consumption will significantly increase, and the engine may begin to misfire or run rough. Continued operation with failing rings can lead to cylinder wall damage and potential engine seizure.

Installation Tip

Ensure the cylinder walls are clean and free of any scoring before installing the rings. Never force the piston into the cylinder; use a proper ring compressor tool to avoid damaging the rings or piston.

Service Note

Inspect cylinder liners for wear and honing pattern integrity; replace if necessary.