Cylinder Liner Application: Automotive Engine

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Cylinder Liners, also known as engine sleeves, reborer sleeves, wet liners, dry sleeves or simply liners are a replaceable wear part which can be changed during engine overhaul service, thus avoiding replacement of the much more expensive engine block. Many modern light duty engines are manufactured by OEMs without any cylinder liners, with the piston running directly inside the block. Such engines may also be rebored during overhaul to a bigger diameter and then a dry liner, or sleeve inserted in the rebored block to bring it back to nominal size.