Fitment: for Nissan Altima 2002-2012 L4 2.5L, for Nissan Rogue 2008-2013 L4 2.5L, for Nissan Sentra 2002-2012 L4 2.5L
Material: 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.
Package Included: 1 Pcs Car Engine Belt Tensioner Pulley Assembly. Please confirm your car model and OE number before purchasing. Please check relevant operation video when you replace it.