CATEngine Parts

131-7703-155-6650 Cylinder Head Assembly — Cat 3054 416B

This cylinder head assembly is a precisely engineered component that forms the top of the engine cylinders, sealing the combustion chamber and housing critical valve train components. It is vital for maintaining compression, controlling intake and exhaust airflow, and dissipating heat during the combustion cycle. A damaged or leaking cylinder head can cause a loss of engine power, rough idling, and coolant or oil contamination within the combustion chambers.

Cylinder Head Assembly – Part No 131-7703-155-6650 – 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 Head Assembly
MaterialCast Iron
ApplicationEngine Combustion Chamber
Service LifeReplace based on inspection and engine condition
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing cylinder head assembly include white smoke from the exhaust (coolant burning), loss of engine power, or coolant being pushed out of the overflow reservoir. If ignored, these symptoms can progress to rough idling, misfires, and contamination of engine oil with coolant, or vice versa. The ultimate consequence is severe internal engine damage and potential seizure.

Installation Tip

Ensure the cylinder block deck surface is perfectly clean and flat before installing the new head assembly. Never reuse old head bolts; always use new ones torqued in the specified sequence and stages.

Service Note

Replace the head gasket, inspect the engine block deck for flatness, and check the condition of the valves and valve guides when installing a new cylinder head assembly.