CATEngine Parts

1154124lK Piston As — Cat

This is a piston assembly, a crucial reciprocating component within the engine cylinder that converts the pressure from combustion into mechanical force. Manufactured to meet CAT's precise dimensional and material standards, it ensures proper sealing and efficient power transfer, unlike a worn piston with scoring or a damaged ring land. Operators may observe increased oil consumption, a loss of engine compression, knocking sounds, or visible smoke from the exhaust when a piston assembly fails.

Engine Component – Part No 1154124lK – 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
MaterialAluminum alloy
ApplicationEngine cylinder
Service LifeReplace as needed based on inspection
CompatibilityCAT specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing piston assembly might be a slight increase in oil consumption or a subtle change in engine sound. If ignored, the piston can develop cracks, the rings can lose tension, or the skirt can seize, leading to severe loss of compression, excessive blow-by, and potential cylinder wall damage.

Installation Tip

Ensure the cylinder bore is perfectly clean and lubricated before inserting the piston to prevent scoring. Never force the piston into the cylinder; if it doesn't slide in smoothly with the rings compressed, re-check the bore and piston dimensions.

Service Note

Inspect cylinder liners, piston rings, and connecting rod bearings when replacing a piston assembly.