CATEngine Parts

1850106 Piston As-(Os 0.50Mm) — Cat 416D 424D

This is a CTP aftermarket replacement piston assembly, sized at 0.50mm oversize, designed for the engine's combustion system. It is manufactured to meet strict quality specifications, providing reliable performance and durability, unlike a worn piston that can cause compression loss and oil consumption. Operators might observe increased exhaust smoke, rough idling, or a noticeable decrease in engine power when this component is failing.

Piston As-(Os 0.50Mm) – Part No 1850106 – 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 Assembly (Oversize)
MaterialAluminum Alloy
ApplicationEngine Cylinder
Service LifeReplace during engine overhaul or based on wear
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early indications of a failing piston may include increased oil consumption and a slight blue tint to the exhaust smoke. If ignored, the piston can develop cracks or scuffing, leading to significant power loss and potential blow-by. Continued operation risks cylinder wall damage and potential engine seizure.

Installation Tip

Ensure the cylinder bore is properly honed and cleaned to the correct surface finish before installing the piston. Never force the piston into the cylinder; it should slide in smoothly with proper lubrication.

Service Note

Always replace piston rings and inspect connecting rod bearings and cylinder liners when installing a new piston assembly.