Answer Mark, If the wall oven has been "retrofitted" then the WB27T11229/WB27T11229 Faceplate(overlay) is the correct part to order for the model number you supplied. If the wall oven has a black control knob, and appears to be part of the black oven controls, then it has not been retrofitted, and the retrofit kit [WB49T10039] has been discontinued by the manufacturer. Read More... Answered by AppliancePartsPros.com | Monday, August 20, 2018