CATEngine Parts

1440503 Piston & Ring — Cat 14g 14H na

This piston and ring assembly is a critical component of the internal combustion engine, responsible for sealing the combustion chamber and transferring pressure to the crankshaft. It is manufactured to meet stringent material and dimensional standards, ensuring superior performance and durability compared to worn or damaged components. Operators may notice a loss of engine power, increased oil consumption, or visible smoke from the exhaust when this assembly begins to fail.

Piston & Ring – Part No 1440503 – 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 and Ring Set
MaterialCast Iron and Steel Alloy
ApplicationEngine Cylinder
Service LifeReplace as part of engine overhaul or when signs of wear appear
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial signs of a failing piston and ring assembly include a noticeable decrease in engine power and an increase in exhaust smoke. If left unaddressed, oil consumption will worsen, leading to fouled spark plugs and reduced engine efficiency. Continued operation risks cylinder wall scoring and potential engine seizure.

Installation Tip

Ensure all cylinder bores are thoroughly cleaned and inspected for any imperfections before installing new pistons and rings. Avoid rotating the crankshaft until all pistons and rings are properly seated to prevent damage.

Service Note

Inspect cylinder liners for wear and check connecting rod bearings for play when replacing the piston and ring assembly.