Effie H Metheun , MA November 03, 2018 Appliance: General Electric Electric Range JB870SR1SS Ge Range Jb870sr1ss: Broken oven glass. How to replace Range Oven Door Window Pack Assembly. Used the video, that was underneath the part on your web site. Followed it step by step. Thanks again Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes