Mystery Part

Hi,

My 1995 S500 recently went out of commission due to a busted part in the cooling system.
The broken part is something like a four way coolant valve right behind the driver side valve cover, the valve is plastic with two rubber hoses built in, one plastic opening goes into a hose that immediately goes through the firewall...and the rest go elsewhere. I removed the two halves of the broken part and the part number is # 140 832 66 15
I have tried many places to find this part but i cannot locate it anywhere and do not know the proper name for it... any ideas or directions will be greatly appreciated...