Part # 8 on the Diagram 

Part # 2031035

NEW ITEM # FOR THIS : 1601205 (GENUINE PART, NEW ITEM NUMBER)

This genuine Bissell Commercial BGU1451T On/Off Switch (#2031035) is a durable and reliable replacement part for your Bissell vacuum. Crafted with quality and precision, it ensures optimal performance. Its sturdy design and comfortable grip make vacuuming a breeze. Trust in its functionality and efficiency for all your cleaning needs.