CATEngine Parts

1w-6440 Cylinder Head Gasket — Cat D353E D353C

This cylinder head gasket creates a seal between the engine block and cylinder head, preventing combustion gases from escaping and coolant/oil from entering the combustion chamber. It is constructed from high-quality materials to withstand extreme temperatures and pressures, outperforming a blown or degraded gasket. Operators may observe white smoke from the exhaust, coolant loss, or oil in the coolant when this gasket fails.

Cylinder Head Gasket – Part No 1w-6440 – 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 Gasket
MaterialMulti-layer steel (MLS)
ApplicationEngine cylinder head seal
Service LifeReplace as needed during engine overhaul
CompatibilityCAT D353E, D353C, D9H
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing head gasket include coolant loss without visible leaks, or the presence of oil in the coolant or vice-versa. If ignored, this can lead to overheating, severe internal engine damage, and potential hydrolock. Continued operation risks significant and costly engine repairs.

Installation Tip

Ensure the cylinder head and engine block surfaces are perfectly clean and free of any debris or old gasket material before installation. Always use new, correctly specified head bolts and torque them in the sequence and stages recommended by the manufacturer.

Service Note

Inspect the cylinder head for flatness and check the engine block deck for damage or warping when replacing the head gasket.