98 park ave coolant bypass elbow

can someone tell how to change this part and what it is called to get new one at auto store thanks

Ask for DORMAN Part # 47065 (Includes Upper & Lower Elbows) intake to tensioner, or you can get them from a dealer. Click Here (http://www.automotiveforums.com/vbulletin/showthread.php?t=915511) for more info.