Hose, bottom, for cooling radiator connection for Porsche 928 S4 GT GTS

This water hose is the lower connection from thermostat to radiator on all 928 with 5.0 and 5.4L 4-valve engines.

Over the years, as you know, all rubber parts become porous and can lead to serious consequential problems with hose lines on the vehicle. Therefore, it is recommended to replace water and air hoses after the years as a precaution.