Amazon.com - Front Bumper with IR Sensor Replacement Parts Compatible for IRobot Roomba J7 J7+ i7 i7+ i3 i4 i6 i6+ i8 i8+ Plus Robot Vacuum Cleaner Error Report and Repair Maintenance
Amazon.com - Repair Replacement Parts Compatible for IRobot Roomba J7 J7+ i7 i7+ i3 i4 i6 i6+ i8 i8+ Plus E5 E6 Robot Vacuum Cleaner Error Report and Maintenance Accessories (Top Bumper
Amazon.com: REEYEAR Replacement Top Bumper IR Sensor Compatible with Irobot Roomba 700/800/900 Series,Make Your Roomba Not Blind : Everything Else
Front Bumper IR Sensor Replacement for iRobot Roomba i3 i3+ i4 i4+ Vacuum | eBay
Amazon.com: REEYEAR Replacement Top Bumper IR Sensor Compatible with Irobot Roomba 700/800/900 Series,Make Your Roomba Not Blind : Everything Else
Top Bumper IR Sensor For IRobot For Roomba I7 E6 E5 500 600 700 800 900 Series Robot Vacuum Cleaner Bumper IR Dock Sensor Part