Product Description:

The CAT 523-8663 is a cylinder block liner (cylinder sleeve) used in heavy-duty Caterpillar diesel engines. It is a precision-engineered internal engine component that forms the inner wall of the cylinder where the piston moves.

Applications:

This part is commonly used in Caterpillar 3500 series engines, such as:

• 3508
• 3512
• 3516

These engines are found in:

• Mining equipment
• Marine engines
• Power generators
• Heavy construction machinery