Renault Trucks
Cylinder liner for Renault Trucks M420
This cylinder liner 61509520 is designed for the engine block of Renault Trucks M420 models. It serves as the primary sliding surface for the piston within the engine assembly.
Compatible models
Specifications
- Part number
- 61509520
- Brand
- Renault Trucks
The cylinder liner is a cylindrical component installed within the engine block to provide a dedicated sliding surface for the piston. By acting as a replaceable interface, it shields the engine block from the friction and thermal loads generated during the combustion process. This component also facilitates the transfer of heat from the cylinder area into the engine cooling system, assisting in thermal management.
This part is compatible with Renault Trucks M420 engines. It is engineered to maintain a precise internal diameter and surface finish, which is necessary to ensure an effective seal with the piston rings. This seal is essential for maintaining proper engine compression and managing oil consumption during operation.
In internal combustion engines, cylinder liners allow for the restoration of the cylinder bore without requiring the replacement of the entire engine block. They provide a controlled environment for piston movement and support the structural integrity of the combustion chamber, contributing to the overall efficiency and power output of the engine system.

