CATEngine Parts

1032859 Ring Set-Piston (Os=.50Mm) — Cat 315 315B

This piston ring set, with an over-size specification of 0.50mm, is crucial for sealing the combustion chamber and controlling oil consumption within the engine cylinder. Manufactured to meet precise OEM dimensions and material specifications, it ensures optimal compression and reduced blow-by compared to worn rings. Operators may notice increased exhaust smoke, loss of engine power, or excessive oil consumption when these rings begin to fail.

Ring Set-Piston (Os=.50Mm) – Part No 1032859 – 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 (Oversize)
MaterialCast Iron Alloy
ApplicationEngine Cylinder
Service LifeReplace during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of worn piston rings is often increased blue or white smoke from the exhaust, indicating oil burning or blow-by. If left unaddressed, this can lead to a significant loss of engine power and increased oil consumption. Continued operation risks cylinder wall scoring and potential engine seizure.

Installation Tip

Ensure the cylinder walls are honed to the correct cross-hatch pattern and are free of any debris before installing the rings. Stagger the ring gaps according to the manufacturer's specifications to prevent leakage.

Service Note

Inspect cylinder walls for scoring, check piston condition, and clean piston ring grooves thoroughly when replacing the piston ring set.