NEW HVAC HEATER CORE This is a listing for a brand new replacement HVAC Heater Core(HVAC Heater Core) UAC is the premier aftermarket brand in the industry with over 30 years of experience. Applications: 2004-2006 Scion xA 1.5L 2004-2006 Scion xB 1.5L 2000-2005 Toyota Echo 1.5L OEM and Competitor Interchange: Technical Specifications: Depth (mm): 36.1 Inlet/ Outlet (mm): 18.