Cylinder liner for Renault Trucks DCI11

The cylinder liner, part number 14-450200-00, acts as the inner wall of the engine block for the Renault Trucks DCI11. It creates the chamber where the piston travels during the compression and power strokes. By forming this interface, the component manages the heat transfer from the combustion process to the engine cooling system while maintaining the necessary seal for the piston rings to prevent blow-by.

This component is specifically engineered for the Renault Trucks DCI11 engine platform. Proper installation of this liner ensures the piston maintains correct clearance and alignment within the cylinder bore, which is necessary for the engine to reach its intended compression ratios. The liner surface is finished to support oil film retention, which is necessary for reducing friction between the moving piston rings and the cylinder wall.

In heavy-duty engine applications, cylinder liners are used to define the cylinder bore and protect the engine block from direct contact with the piston and combustion gases. They are designed to be replaceable, allowing for the restoration of the cylinder geometry without needing to replace the entire engine block. Maintaining the integrity of the liner is important for preserving engine power and oil consumption efficiency.