G.E. Advantium WB49X10052 Ceramic Turntable Plate / Tray 13 Inches PLEASE NOTE !! The original 13 inch tray is no longer made by GE. This 11 inch tray is the ONLY available replacement offered by GE. Outside diameter of turntable track is 9 1/8 inches. Replaces GE part #s WB49X10052 & WB49X10246 Ceramic turntable plate / tray for G.E. Advantium SCA2000 series units.