Kirby brush roller part 152502 and 152502G.
This standard brush roller will fit the following Kirby vacuums:
Sentria and Sentria 2
G6, G six and G5
G10D and G10
G7D and G7
Ultimate G Diamond Edition
G 2000 Limited Edition (G2000)
G 2001 Limited Edition (G2001)
This roller has a magnet on it like your original roller.
Your kirby vacuum uses the magnet to determine when the brush roller is no longer spinning.
When the belt is broken or the brush roller is no longer spinning the Kirby belt indicator light is off.