Complete strut Vehicle Compatibility: The pair of quick struts is compatible with 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Frontier V6 RWD Safe & Simple Installation: Features buckle holes that correspond with existing ones in the vehicle, so it can be easily replaced without disassembling previous strut structure Up to standard: Complete package includes struts, coil springs (if needed), mount, boot, bumper kit, spring seat, and isolator. All components are built to meet performance requirements Replacement Part Numbers: 271102, 37273 Existing struts should be replaced if your vehicle: 1) makes abnormal sounds, 2) dips when carrying heavy loads or driving on poor roads, 3 suffers tire wear, 4) is difficult to control, 5) has poor stability(NOTE: Professional installation would be highly recommended)