[Part Number] 55563512. [Fitment] for Chevrolet Sonic 1.8L 2012-2018, for Chevrolet Cruze Limited 1.8L 2016, for Chevrolet Cruze 1.8L 2011-2015, for Saturn for Astra 1.8L 2008-2009. [Pros] This belt tensioner is made of metal material, which is wearable, durable and scratch-resistant.. [Function] A belt tensioner or/and idler pulley is a system that guides the serpentine belt and the timing belt on a car engine. The function of a pulley and a tensioner is to limit the belt slip. The belt tensioner can be mechanic (spring-loaded) or hydraulic..
