CATEngine Parts

1786545 Kit-Piston Rings — Cat 311C 311D LRR

This is a Kit-Piston Rings set, essential for maintaining proper compression and sealing within the engine cylinders. It ensures efficient combustion by preventing blow-by and oil consumption, critical for engine performance and emissions control. Worn or broken rings lead to noticeable power loss, increased oil consumption, and blue exhaust smoke.

Kit-Piston Rings – Part No 1786545 – 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 or Steel Alloy
ApplicationEngine cylinder sealing
Service LifeReplace during engine overhaul or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of worn piston rings is often a noticeable decrease in engine power and an increase in oil consumption, indicated by blue smoke from the exhaust. If left unaddressed, this can lead to increased fuel consumption, poor idle quality, and potential cylinder wall damage. Continued operation risks significant internal engine wear and reduced overall engine lifespan.

Installation Tip

Carefully inspect the cylinder walls for any scoring or wear that might necessitate reboring or sleeving before installing new rings. Ensure each ring is oriented correctly according to the manufacturer's markings to prevent improper sealing.

Service Note

Always inspect cylinder liners for wear and hone or replace as necessary when installing new piston rings.