1 Serpentine Belt - 7PK1905. 2012-2013 Scion xB L4 2.4L Accessory Drive. 2013-2015 Scion xB L4 2.4L Water Pump, Alternator and Air Conditioning. Serpentine Belt. There are many types of serpentine belts including alternator belt, ac belt, power steering belt, etc.
