CATEngine Parts

276-7476 3 Pcs Piston Ring Kit — Cat 525D 535D

This is a 3-piece piston ring kit designed to seal the combustion chamber within an engine cylinder. It is manufactured to meet stringent OEM quality standards, ensuring superior performance compared to worn or damaged rings that allow blow-by. Symptoms of worn piston rings include increased oil consumption, blue smoke from the exhaust, and a noticeable loss of engine power.

3 Pcs Piston Ring Kit – Part No 276-7476 – 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 Kit
MaterialCast Iron Alloy
ApplicationEngine Cylinder Sealing
Service LifeReplace as needed during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Increased blue smoke from the exhaust and a noticeable drop in engine power are the first signs of worn piston rings. If left unaddressed, oil consumption will continue to rise, leading to fouled spark plugs and potential catalytic converter damage. Continued operation with severely worn rings can result in reduced engine efficiency and increased wear on cylinder liners.

Installation Tip

Ensure the cylinder walls are clean and free of any debris or scoring before installing new rings. Avoid over-compressing the rings during piston installation, as this can cause them to break.

Service Note

Inspect cylinder walls for wear and honing patterns, and check piston-to-wall clearance when replacing piston rings.