Vehicle Fitment: 1987-2018 Peterbilt 320/ 1995-2020 Peterbilt 330/ 2005-2010 Peterbilt 335/ 2010-2018 Peterbilt 337/ 2007-2010 Peterbilt 340/ 2010-2018 Peterbilt 348/ 1986-2008 Peterbilt 357/ 1981-1988 Peterbilt 359/ 1981-2006 Peterbilt 362/ 2014-2018 Peterbilt 365/ 2008-2018 Peterbilt 367/ 1987-1996 Peterbilt 375/ 1987-2001 Peterbilt 377/ 1988-2007 Peterbilt 378/ 1986-2007 Peterbilt 379/ 2008-2016 Peterbilt 384/ 2006-2013 Peterbilt 386/ 2008-2015 Peterbilt 388/ 2008-2018 Peterbilt 389/ 2017-2023 Peterbilt 520/ 2014-2023 Peterbilt 567/ 2013-2023 Peterbilt 579/ 2011-2018 Peterbilt 587/ Rear; Nitrogen Gas Charged; Comes With Monroe’s 90 Day Risk Free Ride Offer And Limited Commercial Warranty; 10-Stage Valving; 23.81 Inch Extended Length; 14.97 Inch Compressed Length; Stem Upper Mount/ Loop Bushing And Sleeve Lower Mount; Without Shock Boots; Black; Single