CATEngine Parts

1992151 1 Set Piston Ring — Cat 304Cr S4L2

This set of piston rings is essential for maintaining proper compression, sealing the combustion chamber, and controlling oil consumption within the engine cylinders. Manufactured to meet exacting OEM standards, these rings offer superior wear resistance and sealing capabilities compared to worn or broken rings. Operators may observe increased oil consumption, blue smoke from the exhaust, and a loss of engine power when these rings begin to fail.

1 Set Piston Ring – Part No 1992151 – 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 Ring Set
MaterialCast iron, chrome-plated steel
ApplicationEngine cylinder sealing
Service LifeReplace during engine overhaul or every 5,000-10,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of failing piston rings is often increased blue smoke from the exhaust, especially on startup, and a gradual decrease in engine power. If ignored, oil consumption will worsen, leading to fouled spark plugs and potential catalytic converter damage. The ultimate consequence is severe engine wear and potential seizure due to loss of compression and lubrication control.

Installation Tip

Carefully clean the piston ring grooves to remove all carbon deposits before installing the new rings. Ensure the rings are oriented correctly with the gap facing away from the piston pin.

Service Note

When replacing piston rings, it is crucial to inspect the cylinder walls for wear or damage and check the condition of the connecting rod and main bearings.