CATEngine Parts

7n-6550 Cylinder Block — Cat 3306

This is a CAT Cylinder Block, the main structural component of an engine, housing cylinders, pistons, and crankshaft. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or damaged blocks. Symptoms of a failing cylinder block can include persistent engine knocking, excessive exhaust smoke, and a significant loss of engine power.

Cylinder Block – Part No 7n-6550 – 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 Block
MaterialCast Iron
ApplicationEngine Main Structure
Service LifeReplace based on inspection and wear
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A cracked cylinder block may initially present as coolant loss or white smoke from the exhaust. If ignored, this can lead to oil and coolant mixing, causing severe internal engine damage and overheating. Continued operation risks complete engine seizure.

Installation Tip

Ensure the engine block deck is perfectly clean and free of any debris or old gasket material before installation. Avoid overtightening head bolts, as this can distort the block and cause premature gasket failure.

Service Note

When replacing the cylinder block, it is essential to inspect and service the crankshaft, connecting rods, and pistons.