CATUndercarriage

1046374 Piston — Cat D8T

This piston is a vital component within the engine's cylinders, responsible for converting the pressure from combustion into mechanical force. Manufactured to precise tolerances and durable materials, it ensures efficient engine operation, unlike a worn piston with scoring or reduced ring seal. Operators may observe a loss of engine power, increased exhaust smoke, or unusual engine noises when a piston begins to fail.

Piston – Part No 1046374 – CAT Spare Part
Part Specifications
BrandCAT
CategoryUndercarriage
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

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeEngine Piston
MaterialAluminum alloy
ApplicationInternal engine combustion chamber
Service LifeReplace as part of engine overhaul or upon failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of a failing piston include a noticeable decrease in engine power and increased blue or white exhaust smoke. If ignored, the piston can suffer from ring land failure or skirt scuffing, leading to increased oil consumption and potential cylinder wall damage. Continued operation risks severe internal engine damage and costly repairs.

Installation Tip

Ensure the cylinder bore is perfectly clean and free of any debris before installing the new piston, as even small particles can cause scoring. Always use new piston rings and ensure they are properly seated in their grooves and oriented correctly before inserting the piston into the cylinder.

Service Note

Replace piston rings and inspect cylinder liners and connecting rod bearings when installing a new piston.