Rock Auto lists several options. If nothing else, you can get part numbers by looking at their website. For example,RAYBESTOS Part # BH36684 for $5.46. They also have pictures of the hose and show a length of 18.32".
http://www.rockauto.com/info/27/BH36684-10__ra_p.jpg
http://www.rockauto.com/info/27/BH36684-11__ra_p.jpg
http://www.rockauto.com/info/27/BH36684-1__ra_p.jpg