SQCS engine air intake hose 6420948797 Air intake duct hose for mercedes benz J

Intake duct hose form an integral part of the cooling system. The main function is to transfer the coolant and assist the coolant to dissipate heat from the engine.
The air intake duct hose are divided into: upper air intake duct, lower air intake duct (connecting the water tank and the water pump end), warm air water pipes (for air conditioning), iron water pipes, etc. Each of these pipes has its own
function, but generally what can be seen is mainly the upper and lower water pipes in the cooling system.