Fits the upper position on the following Honda models: 2000-2006 Rancher 350, 2004-2007 Rancher 400, 2007-2022 Rancher 420, 1998-2004 Foreman 450, 2001-2019 Rubicon 500, 2005-2019 Foreman 500, 2020-2022 Foreman/Rubicon 520, 2003-2022 Rincon 650/680, 2015-2022 Pioneer 500, 2017-2022 Pioneer 700/700-4, 2021-2022 Pioneer 520, 2016-2021 Pioneer 1000/1000-5 * Pre-greased with a moly based grease for optimal performance * Boot is made of OE grade neoprene rubber * Replaces OEM # 51355-HN0-A01, 51375-HP5-601.