Part number 1720410001 is an aftermarket flat belt compatible with Dirt Devil Style 4 and Style 5 upright vacuum cleaners, replacing OEM Dirt Devil part 3720310001. The belt drives the brushroll; replace it when the brushroll stops spinning or carpet cleaning performance drops.

Fits the following Dirt Devil upright models: Featherlite, Featherlite Plus, Featherglide, Scorpion, Scorpion Upright Deluxe, Breeze, Breeze Bagless, Vibe Bagless, Extra Light, Jaguar, Swift, Vision Swivel Glide, Vision Wide Glide, Vision Turbo, Classic Reaction, and Action. Model numbers: M085300, M085335, M085355, M085360, M085400, M085405, M085410, M085430, M085435, M085440, M085440CA, M085460, M085470, M085475, M085480, M085500, M085500-1, M085500A, M085500B, M085500HD, M085520, M085525, M085530, M085530B, M085530CA, M085540, M085540CA, M085545, M085550, M085550-1, M085550B, M085560, M105315, M5200, M5231, M5235, MDU5220, MDU5320, MDU5420, MRY5000, MRY5200.