Roomba iRobot 531 532 533 535 536 540 541 545 LEFT WHEEL w/ MOTOR OEM #4420153
Genuine original OEM Roomba iRobot part 4420153. Fits Roomba iRobot 500, 600, 700, 800, and 900-series robot vacuums. This only fits on the LEFT and is not interchangeable with the right (see diagram in photo section).