The C6.6 engine block is the main structural component of the diesel engine and supports the cylinder bores crankshaft bearing system pistons connecting rods and internal lubrication passages. Its rigid construction helps maintain accurate component alignment and stable engine operation under demanding working conditions.
Designed for Caterpillar C6.6 diesel engines this cylinder block is intended for engine repair overhaul and replacement projects. It can be considered when the original block has severe cylinder bore wear cracks deformation corrosion or other structural damage that makes normal engine operation difficult.
The C6.6 cylinder block is manufactured with precision-machined mounting and internal surfaces to support proper installation of the crankshaft pistons liners bearings and related engine components. Correct dimensional accuracy is important for maintaining compression crankshaft alignment lubrication performance and long-term engine reliability.
This engine block is suitable for professional diesel engine rebuilding workshops machinery repair companies equipment dealers and spare parts distributors. It can be used in compatible excavator construction machinery agricultural equipment and industrial applications powered by C6.6 diesel engines.
The product title also includes 3066 3304 3306 C4.4 C6.4 C7 C9 C13 C15 C18 C27 and C32 as related Caterpillar engine keywords. These engines have different specifications and cylinder block designs so the block should not be assumed to be interchangeable between models. Please match the required block with the original engine model serial number and part number.
Before installation the cylinder block should be professionally inspected for cylinder bore condition deck flatness main bearing alignment cracks and dimensional tolerances. Other components including cylinder liners pistons piston rings crankshaft bearings connecting rods cylinder head and gasket set should also be checked for compatibility and wear.
For a complete engine rebuilding project the C6.6 cylinder block can be combined with other engine spare parts according to the required configuration. Proper machining inspection and component matching can help restore engine performance and extend the service life of construction and industrial equipment.
Whether replacing a damaged engine block or rebuilding a worn diesel engine the C6.6 engine block provides a practical solution for professional repair and maintenance. Please confirm the original engine model serial number and cylinder block specification before ordering.


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item
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value
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Condition
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New
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Applicable Industries
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Building Material Shops, Machinery Repair Shops, Manufacturing Plant, Retail, Construction works , Energy & Mining, Other
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Showroom Location
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None
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Video outgoing-inspection
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Provided
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Machinery Test Report
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Provided
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Marketing Type
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Ordinary Product
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Place of Origin
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China
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Guangdong
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Brand Name
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lanxin
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Warranty
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1 Year
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Product name
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C6.6 engine cylinder block
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Q1: Which engine is this cylinder block designed for?
A: It is designed for compatible Caterpillar C6.6 diesel engine applications. Please verify the engine model and original block specification before ordering.
Q2: Are 3066 3304 3306 C4.4 C6.4 C7 C9 C13 C15 C18 C27 and C32 blocks interchangeable with C6.6?
A: No. These are different engine models and their cylinder blocks may have different dimensions and configurations. The correct block should be selected according to the original engine model and serial number.
Q3: When should a C6.6 cylinder block be replaced?
A: Replacement may be required when the original block has serious cracking excessive bore wear deformation damaged bearing seats or other structural damage beyond economical repair.
Q4: Can this engine block be used for an engine overhaul?
A: Yes. It is suitable for compatible C6.6 diesel engine rebuilding overhaul and repair applications. All internal components should be inspected and measured before assembly.
Q5: What other Caterpillar engine spare parts can you supply?
A: We supply cylinder blocks cylinder heads crankshafts camshafts pistons piston rings connecting rods cylinder liners bearings gasket kits fuel injection pumps injectors turbochargers water pumps oil pumps starter motors alternators and complete diesel engine assemblies.
