This pin washer is a replacement for Hendrickson suspension hardware, also fitting Mack and Navistar applications. It sits over the suspension pin to create a smooth bearing surface, spreading load across the joint and limiting wear between the pin and surrounding components. Sold as a pack of 4 identical washers.Interchanges:138725R1GMC 23274134333-138725R18536Hendrickson 08536-000Mack 4000-08536000Navistar 138725750433This unit is sold in packs of 4.FeaturesPin washer for suspension hardware applicationsSold as a pack of 4 identical washersTech SpecsUnit of Measure: Pack of 4Sell Pack: 4 pieces