2010-2011 HS250h Ultra Premium Accessory Drive; Grooved Pulley. 2010-2012 HS250h (submodel: Base, Premium) Accessory Drive; Grooved PulleyToyota. ContiTech Accessory Belt Tension Pulley --. A leading rubber products group of Continental AG, ContiTech is a world-renowned manufacturer of cutting-edge automotive belts and power transmission parts.
