ISO DCEC Main Engine Cylinder Liner And Piston 5318476

Dongfeng Cummins Marine Diesel Engine Parts 6CT 6L Cylinder Liner 5318476 DCEC

Product Description

What does a cylinder liner do?

It is a cylinder that is fitted to the engine block to form the cylinder, and is one critical function part that forms the engine interior.

Function 1 Form the sliding surface

Tightly holds when the valve is seated, prevents compressed gas or combustion gas leaking into the manifold from between the valve and Valve Seat.

Function 2 Heat conduction

Reduces vale and cylinder head friction at the same time.

Function 3 Keep airtightness

Prevent compressed gas and combustion gas leaking out. The liner should not be prone to deformation due to the high pressure/high temperature inside the cylinder.

What causes cylinder liner damage?

Cylinder liners may crack because of poor cooling, improper fit of piston or pistons, incorrect installation, foreign bodies in the combustion space, or erosion and corrosion. ... Particles of dirt between these surfaces cause air spaces, which are poor conductors of heat.

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