V-belt 38528034. This belt drives the brush roll on Hoover Wind Tunnel models with Power Drive (self-propelled).  This belt is 1 of 2 belts used on these models - the primary belt (38528035) is a flat belt used to drive the self-propel transmission and brush belt pulley.

 Models include: Hoover U6423-900, U6425-900, U6425-920, U6429-900, U6430-900, U6431-900, U6432-900, U6433-900, U6435-900, U6436-900, U6437-900, U6439-900, U6441-900, U6441-940, U6445-900, U6445-920, U6446-900, U6449-900, U6450-900, U6451-900, U6451-960, U6455-900, U6455-960, U6458-900, U6459-900, U6460-900, U6470-900, U6470-910, U6471-900, U6607-900, U6616-900, U6617-900, U6625-900, U6626-900, U6630-900, U6630-960, U6632-900, U6655-900, U6660-900, U8371-900.