NOTE:  There are 2 versions of this motor.  The dirt sensor has been changed on the newer model so please look at the pictures to know exactly what you're getting. 

Roomba 500/600/700 Series Brush Motor and Dirt Detector

Examples: 500 510 530 535 537 540 550 560 570 580 etc. All 5xx  6xx 7xx Roombas

620 630 650 760 770 780 (and several other model numbers)

Ships out within 24 hours!!

Additional Information:

This is the main motor that controls the brushes. It also has the gearbox that attaches directly to the motor included. The dirt sensor is also included in this package.

NOTE:  There are 2 versions of this motor.  The dirt sensor has been changed on the newer model so please look at the pictures to know exactly what you're getting.