CATEngine Parts

173-3498 Barrel Cylinder — Cat 3066 318C

This barrel cylinder is a vital component within the engine's internal structure, housing the piston and facilitating the combustion process. It is manufactured to precise OEM specifications, offering superior wear resistance and dimensional accuracy compared to a worn cylinder with a scored or out-of-round bore. Operators might observe a loss of engine power, increased oil consumption, or unusual engine noises such as knocking or rattling if the barrel cylinder is compromised.

Barrel Cylinder – Part No 173-3498 – 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 TypeCylinder Barrel
MaterialHigh-grade cast iron
ApplicationInternal engine combustion chamber
Service LifeReplace as part of engine overhaul or rebuild
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing barrel cylinder is often a noticeable decrease in engine power or performance. If the issue progresses, oil consumption will increase as combustion gases blow by the piston rings, and abnormal engine noises may become apparent. The ultimate risk is severe engine damage and potential seizure due to loss of compression and lubrication.

Installation Tip

Ensure the cylinder block deck surface is perfectly flat and clean before installing the new barrel cylinder. Avoid using excessive sealant on the cylinder base, as it can squeeze into the oil passages and restrict flow.

Service Note

Inspect pistons, piston rings, and connecting rod bearings for wear or damage when replacing the barrel cylinder.