OE Number:11945-3S512/119453S510/119453S511/119453S512/36725/89036/11944-3S511/11944-3S512Fitmentfor Nissan Frontier 1998-2004 2.4L L4for Nissan Xterra XE 2000-2004 2.4L L4for Nissan Frontier Base, SE, XE 1998for Nissan Frontier SE, XE 1999for Nissan Frontier XE 2000 2001 2004for Nissan Frontier Base, XE 2002 2003SpecificationsMaterial: MetalPackage: 1 x Drive Belt Idler PulleyThis is a non-OEM product, accessory only!FeaturesIt maintains proper tension on the accessory drive belt (serpentine belt) to ensuring smooth operation.It guides and redirects the belt around engine components, prevents the belt from rubbing or jumping off pulleys.It reduces belt vibration and wear, absorbs vibration from the spinning belt.