Genuine Dirt Devil Style 6 Belts Dirt Devil 3920026001 In Stock Ships Same Day Free Order Tracking Package of (2) Genuine Dirt Devil Style 6 belts, Dirt Devil part number 3920026001 . Fits the following Dirt Devil models: M089200, M089210, M089210RC, M089220, M089240, M089300, M089400, M089410, M089470. I t is recommended that you change this belt every 3 to 6 months to ensure optimum preformance.