Caterpillar
Cylinder liner for Caterpillar 325L
This cylinder liner is designed for the Caterpillar 325L excavator engine. It provides the internal surface for the piston to travel within the engine block.
Compatible models
Specifications
- Part number
- 7Y-0752
- Brand
- Caterpillar
The 7Y-0752 cylinder liner serves as the internal wall of the combustion chamber in the engine block. It facilitates the movement of the piston and maintains the seal required for compression and efficient combustion. By acting as a replaceable interface, this component protects the engine block from direct friction and heat exposure during operation. It is essential for managing heat dissipation and ensuring proper lubrication within the cylinder assembly.
This component is specifically engineered for the Caterpillar 325L excavator. The liner is manufactured to meet the precise dimensions required for this engine configuration, ensuring a proper fit within the block and compatibility with the piston and ring set. Proper installation of this liner is necessary to maintain the power output and operational efficiency of the excavator engine.
In internal combustion engines, cylinder liners provide a controlled surface for piston rings to slide against. They are engineered to withstand the thermal and mechanical stresses of the combustion cycle while maintaining the structural integrity of the cylinder bore. Replacing worn liners is a standard procedure during engine overhauls to restore compression and prevent oil consumption issues.

