Parts for Helios and Freestyle Shower Doors KOHLER Helios and Sterling Freestyle doors were discontinued in 2003 and most of the parts are now discontinued as well. If you have a Helios or Freestyle door, please identify the E# numerical indicator on the door hinge and contact 800-4KOHLER for assistance. Related articles Identifying Your Shower Door Model Levity® Bath/Shower Door - Centerguide Replacement Install Shower Door Rollers Identify Shower Door Guides Sliding Shower Door - Panel Guide