Hoover Part # 38528034.
V-Belt For Self Propelled WindTunnel models.
Also for use with Mach 5, Mach 6 and Mach Cyclonic Uprights.
This is the same belt as part #40201200.
Compatible with these and similar models: 40201200, U5194900, U5198900, U5780900, U5781900, U64019RM, U6420900, U6434900, U6436900, U6439900, U6445906, U6454900, U6471900, U6476900, U6476910, U6485900, U66009RM, U6607900, U6616900, U6617960, U6618900, U6630900, U6632900, U6634900, U6637900, U6637960, U8311900, U8315960, U8341900, U8341950, U8347900, U8351900, U8351950, U8361900, U8361950, U8371900, UH50000, UH50005B, UH60000, UH70010, UH70015, UH70040