? Includes Pulley ? Direct replacement ? Steel or Aluminum Design ? Endures Intense Heat and Shock ? Ensures Ideal Tension for Accessory Belt ? Built Evaluated by Torque,Spring-back and Vehicle Testing Specification: Condition:New Part Number: 11955EA20A, 11955EA20B, 11955EA200, 29384 Package Include:1 * Serpentine Belt Tensioner with Pully Warranty: 1 Year Fits: For 2005-09 Nissan Frontier Serpentine Belt Tensioner with Pulley V6 4.0L For 2005-10 Nissan Pathfinder Serpentine Belt Tensioner with Pulley V6 4.0L For 2005-09 Nissan Xterra Serpentine Belt Tensioner with Pulley V6 4.0L .