Condition and quality 100% brand . All parts are tested and quality controlled prior to shipment. What this part does and why you need it This is a replacement drive belt for upright vacuums. A worn or broken belt prevents the brush roll from turning, reduces cleaning performance, and can cause burning smells or motor strain. Replacing the belt restores brushroll power, reduces slippage, and helps your vacuum pick up dirt and pet hair as designed. Made to be a directfit replacement for specified models so you can your vacuum quickly and avoid buying a machine. Key features and attributes Material: Elastic rubber — durable, flexible, and resistant to stretching for reliable longterm use. Function: Drive belt for brush roll/powerhead; transfers motor power to the brush roll to maintain consistent cleaning performance. Performance: Designed for longlasting reliability and reduced belt slippage to keep brush roll rotation steady. Ease of replacement: Simple to change — remove the old/damaged belt from the vacuum head and install the belt in the original position to restore operation. Package: Includes 2 replacement belts as pictured. Exact compatibility for part numbers: 1LU0310X00, 3720310001, 1540310001 Compatible with Dirt Devil (Royal) models: Featherlite, Powerlite, Swivel Glide, Power Max Pet Upright Vacuum models UD70100, UD70100CDI, UD70105, UD70110CDI, UD70115, UD70125, UD70125CDI, UD70161, UD70163, UD70165, UD70165CDI, UD70167, UD70167P, UD70168, UD70169, UD70169CDI, UD70172, UD70172FDI, UD70180, UD70181, UD70183, UD70185, UD70187, UD70188, UD30010RM, UD30005B, M110009, M085335, M085440, M088160 Also fits other compatible vacuum series that use the same belt specification. Simple replacement guidance Turn off and unplug the vacuum. Remove the brushroll cover or access plate according to your vacuum's manual. Slide off the worn belt and loop the belt around the motor shaft and brush roll in the same orientation. Reassemble the cover and test the brush roll operation before use. Practical use scenarios 1) Household : a snapped or stretched belt to restore brush roll rotation after noticing reduced pickup or a burning odor. 2) Pet homes: Keep an extra belt on hand to quickly a worn belt that causes brush slippage when picking up pet hair and dander. 3) Preventive maintenance: Install a fresh belt during routine vacuum servicing to maintain consistent cleaning performance and extend the life of the machine. What you get Two (2) tested replacement belts ready for installation. If you are unsure about fit, verify your vacuum's model number against the compatibility list or check the original belt part number (1LU0310X00 / 3720310001 / 1540310001) before ordering.