Amazon.com - Replacement Parts for iRobot Roomba 500 Series Roomba 510 530 535 540 Vacuum Cleaning Robots Other Models with Green or Red Cleaning Head. -
Amazon.com: Enhanced Cleaning Head Replacement Part Compatible with iRobot Roomba 500 600 700 Series (New Upgraded Version) : Home & Kitchen
Amazon.com - Replacement Side Brush Motor Module Part Wheel tire Compatible with iRobot Roomba E6 E5 i7 500 600 700 800 900 Series - Vacuum Cleaner Replenishment Side Brush Motor Accessory -