Description:

[Part Number] 23769AA040. [Fitment] for Subaru BRZ 2013-2023, for Subaru Crosstrek 2.0L 2013-2017, for Subaru forester 2.0L 2014-2018, for Subaru forester 2.5L 2011-2018, for Subaru Impreza 2.0L 2012-2016, for Subaru WRX 2.0L 2015-2021. [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..